* found.
*/
+#define _GNU_SOURCE 1 /* get strnlen() */
+#include <string.h>
#include <time.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "e2fsck.h"
+#include <ext2fs/ext2_ext_attr.h>
+
#include "problem.h"
#ifdef NO_INLINE_FUNCS
static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
char *block_buf);
static void mark_table_blocks(e2fsck_t ctx);
-static void alloc_bad_map(e2fsck_t ctx);
static void alloc_bb_map(e2fsck_t ctx);
static void alloc_imagic_map(e2fsck_t ctx);
+static void mark_inode_bad(e2fsck_t ctx, ino_t ino);
static void handle_fs_bad_blocks(e2fsck_t ctx);
static void process_inodes(e2fsck_t ctx, char *block_buf);
static EXT2_QSORT_TYPE process_inode_cmp(const void *a, const void *b);
static errcode_t scan_callback(ext2_filsys fs, ext2_inode_scan scan,
dgrp_t group, void * priv_data);
+static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
+ char *block_buf, int adjust_sign);
/* static char *describe_illegal_block(ext2_filsys fs, blk_t block); */
struct process_block_struct {
ext2_ino_t ino;
- int is_dir:1, clear:1, suppress:1,
- fragmented:1, compressed:1;
+ unsigned is_dir:1, is_reg:1, clear:1, suppress:1,
+ fragmented:1, compressed:1, bbcheck:1;
blk_t num_blocks;
+ blk_t max_blocks;
e2_blkcnt_t last_block;
int num_illegal_blocks;
blk_t previous_block;
struct ext2_inode *inode;
struct problem_context *pctx;
+ ext2fs_block_bitmap fs_meta_blocks;
e2fsck_t ctx;
};
static struct process_inode_block *inodes_to_process;
static int process_inode_count;
-static __u64 ext2_max_sizes[4];
+static __u64 ext2_max_sizes[EXT2_MAX_BLOCK_LOG_SIZE -
+ EXT2_MIN_BLOCK_LOG_SIZE + 1];
/*
* Free all memory allocated by pass1 in preparation for restarting
* things.
*/
-static void unwind_pass1(ext2_filsys fs)
+static void unwind_pass1(ext2_filsys fs EXT2FS_ATTR((unused)))
{
- ext2fs_free_mem((void **) &inodes_to_process);
+ ext2fs_free_mem(&inodes_to_process);
inodes_to_process = 0;
}
* since they have the same requirement; the i_block fields should be
* zero.
*/
-int e2fsck_pass1_check_device_inode(struct ext2_inode *inode)
+int e2fsck_pass1_check_device_inode(ext2_filsys fs EXT2FS_ATTR((unused)),
+ struct ext2_inode *inode)
{
int i;
/*
+ * If the index flag is set, then this is a bogus
+ * device/fifo/socket
+ */
+ if (inode->i_flags & EXT2_INDEX_FL)
+ return 0;
+
+ /*
* We should be able to do the test below all the time, but
* because the kernel doesn't forcibly clear the device
* inode's additional i_block fields, there are some rare
}
/*
+ * Check to make sure a symlink inode is real. Returns 1 if the symlink
+ * checks out, 0 if not.
+ */
+int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode, char *buf)
+{
+ unsigned int len;
+ int i;
+ blk_t blocks;
+ ext2_extent_handle_t handle;
+ struct ext2_extent_info info;
+ struct ext2fs_extent extent;
+
+ if ((inode->i_size_high || inode->i_size == 0) ||
+ (inode->i_flags & EXT2_INDEX_FL))
+ return 0;
+
+ if (inode->i_flags & EXT4_EXTENTS_FL) {
+ if (inode->i_size > fs->blocksize)
+ return 0;
+ if (ext2fs_extent_open(fs, ino, &handle))
+ return 0;
+ i = 0;
+ if (ext2fs_extent_get_info(handle, &info) ||
+ (info.num_entries != 1) ||
+ (info.max_depth != 0))
+ goto exit_extent;
+ if (ext2fs_extent_get(handle, EXT2_EXTENT_ROOT, &extent) ||
+ (extent.e_lblk != 0) ||
+ (extent.e_len != 1) ||
+ (extent.e_pblk < fs->super->s_first_data_block) ||
+ (extent.e_pblk >= fs->super->s_blocks_count))
+ goto exit_extent;
+ i = 1;
+ exit_extent:
+ ext2fs_extent_free(handle);
+ return i;
+ }
+
+ blocks = ext2fs_inode_data_blocks(fs, inode);
+ if (blocks) {
+ if ((inode->i_size >= fs->blocksize) ||
+ (blocks != fs->blocksize >> 9) ||
+ (inode->i_block[0] < fs->super->s_first_data_block) ||
+ (inode->i_block[0] >= fs->super->s_blocks_count))
+ return 0;
+
+ for (i = 1; i < EXT2_N_BLOCKS; i++)
+ if (inode->i_block[i])
+ return 0;
+
+ if (io_channel_read_blk(fs->io, inode->i_block[0], 1, buf))
+ return 0;
+
+ len = strnlen(buf, fs->blocksize);
+ if (len == fs->blocksize)
+ return 0;
+ } else {
+ if (inode->i_size >= sizeof(inode->i_block))
+ return 0;
+
+ len = strnlen((char *)inode->i_block, sizeof(inode->i_block));
+ if (len == sizeof(inode->i_block))
+ return 0;
+ }
+ if (len != inode->i_size)
+ return 0;
+ return 1;
+}
+
+/*
* If the immutable (or append-only) flag is set on the inode, offer
* to clear it.
*/
+#define BAD_SPECIAL_FLAGS (EXT2_IMMUTABLE_FL | EXT2_APPEND_FL)
static void check_immutable(e2fsck_t ctx, struct problem_context *pctx)
{
- if (!(pctx->inode->i_flags & (EXT2_IMMUTABLE_FL | EXT2_APPEND_FL)))
+ if (!(pctx->inode->i_flags & BAD_SPECIAL_FLAGS))
return;
if (!fix_problem(ctx, PR_1_SET_IMMUTABLE, pctx))
return;
- pctx->inode->i_flags &= ~((EXT2_IMMUTABLE_FL | EXT2_APPEND_FL));
+ pctx->inode->i_flags &= ~BAD_SPECIAL_FLAGS;
e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
}
{
struct ext2_inode *inode = pctx->inode;
- if ((LINUX_S_ISBLK(inode->i_mode) ||
- LINUX_S_ISCHR(inode->i_mode) ||
- LINUX_S_ISFIFO(inode->i_mode) ||
- LINUX_S_ISSOCK(inode->i_mode)) &&
- !inode->i_size)
+ if ((inode->i_size == 0) && (inode->i_size_high == 0))
return;
- if(!fix_problem(ctx, PR_1_SET_NONZSIZE, pctx))
+ if (!fix_problem(ctx, PR_1_SET_NONZSIZE, pctx))
return;
inode->i_size = 0;
+ inode->i_size_high = 0;
e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
}
+static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx)
+{
+ struct ext2_super_block *sb = ctx->fs->super;
+ struct ext2_inode_large *inode;
+ struct ext2_ext_attr_entry *entry;
+ char *start, *end;
+ unsigned int storage_size, remain;
+ int problem = 0;
+
+ inode = (struct ext2_inode_large *) pctx->inode;
+ storage_size = EXT2_INODE_SIZE(ctx->fs->super) - EXT2_GOOD_OLD_INODE_SIZE -
+ inode->i_extra_isize;
+ start = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
+ inode->i_extra_isize + sizeof(__u32);
+ end = (char *) inode + EXT2_INODE_SIZE(ctx->fs->super);
+ entry = (struct ext2_ext_attr_entry *) start;
+
+ /* scan all entry's headers first */
+
+ /* take finish entry 0UL into account */
+ remain = storage_size - sizeof(__u32);
+
+ while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
+ __u32 hash;
+
+ /* header eats this space */
+ remain -= sizeof(struct ext2_ext_attr_entry);
+
+ /* is attribute name valid? */
+ if (EXT2_EXT_ATTR_SIZE(entry->e_name_len) > remain) {
+ pctx->num = entry->e_name_len;
+ problem = PR_1_ATTR_NAME_LEN;
+ goto fix;
+ }
+
+ /* attribute len eats this space */
+ remain -= EXT2_EXT_ATTR_SIZE(entry->e_name_len);
+
+ /* check value size */
+ if (entry->e_value_size == 0 || entry->e_value_size > remain) {
+ pctx->num = entry->e_value_size;
+ problem = PR_1_ATTR_VALUE_SIZE;
+ goto fix;
+ }
+
+ /* e_value_block must be 0 in inode's ea */
+ if (entry->e_value_block != 0) {
+ pctx->num = entry->e_value_block;
+ problem = PR_1_ATTR_VALUE_BLOCK;
+ goto fix;
+ }
+
+ hash = ext2fs_ext_attr_hash_entry(entry,
+ start + entry->e_value_offs);
+
+ /* e_hash may be 0 in older inode's ea */
+ if (entry->e_hash != 0 && entry->e_hash != hash) {
+ pctx->num = entry->e_hash;
+ problem = PR_1_ATTR_HASH;
+ goto fix;
+ }
+
+ remain -= entry->e_value_size;
+
+ entry = EXT2_EXT_ATTR_NEXT(entry);
+ }
+fix:
+ /*
+ * it seems like a corruption. it's very unlikely we could repair
+ * EA(s) in automatic fashion -bzzz
+ */
+ if (problem == 0 || !fix_problem(ctx, problem, pctx))
+ return;
+
+ /* simply remove all possible EA(s) */
+ *((__u32 *)start) = 0UL;
+ e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
+ EXT2_INODE_SIZE(sb), "pass1");
+}
+
+static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx)
+{
+ struct ext2_super_block *sb = ctx->fs->super;
+ struct ext2_inode_large *inode;
+ __u32 *eamagic;
+ int min, max;
+
+ inode = (struct ext2_inode_large *) pctx->inode;
+ if (EXT2_INODE_SIZE(sb) == EXT2_GOOD_OLD_INODE_SIZE) {
+ /* this isn't large inode. so, nothing to check */
+ return;
+ }
+
+#if 0
+ printf("inode #%u, i_extra_size %d\n", pctx->ino,
+ inode->i_extra_isize);
+#endif
+ /* i_extra_isize must cover i_extra_isize + i_pad1 at least */
+ min = sizeof(inode->i_extra_isize) + sizeof(inode->i_pad1);
+ max = EXT2_INODE_SIZE(sb) - EXT2_GOOD_OLD_INODE_SIZE;
+ /*
+ * For now we will allow i_extra_isize to be 0, but really
+ * implementations should never allow i_extra_isize to be 0
+ */
+ if (inode->i_extra_isize &&
+ (inode->i_extra_isize < min || inode->i_extra_isize > max)) {
+ if (!fix_problem(ctx, PR_1_EXTRA_ISIZE, pctx))
+ return;
+ inode->i_extra_isize = min;
+ e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
+ EXT2_INODE_SIZE(sb), "pass1");
+ return;
+ }
+
+ eamagic = (__u32 *) (((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
+ inode->i_extra_isize);
+ if (*eamagic == EXT2_EXT_ATTR_MAGIC) {
+ /* it seems inode has an extended attribute(s) in body */
+ check_ea_in_inode(ctx, pctx);
+ }
+}
+
+/*
+ * Check to see if the inode might really be a directory, despite i_mode
+ *
+ * This is a lot of complexity for something for which I'm not really
+ * convinced happens frequently in the wild. If for any reason this
+ * causes any problems, take this code out.
+ * [tytso:20070331.0827EDT]
+ */
+static void check_is_really_dir(e2fsck_t ctx, struct problem_context *pctx,
+ char *buf)
+{
+ struct ext2_inode *inode = pctx->inode;
+ struct ext2_dir_entry *dirent;
+ const char *old_op;
+ errcode_t retval;
+ blk_t blk;
+ int i, not_device = 0;
+
+ if (LINUX_S_ISDIR(inode->i_mode) || LINUX_S_ISREG(inode->i_mode) ||
+ LINUX_S_ISLNK(inode->i_mode) || inode->i_block[0] == 0)
+ return;
+
+ for (i=0; i < EXT2_N_BLOCKS; i++) {
+ blk = inode->i_block[i];
+ if (!blk)
+ continue;
+ if (i >= 4)
+ not_device++;
+
+ if (blk < ctx->fs->super->s_first_data_block ||
+ blk >= ctx->fs->super->s_blocks_count ||
+ ext2fs_fast_test_block_bitmap(ctx->block_found_map, blk))
+ return; /* Invalid block, can't be dir */
+ }
+
+ if ((LINUX_S_ISCHR(inode->i_mode) || LINUX_S_ISBLK(inode->i_mode)) &&
+ (inode->i_links_count == 1) && !not_device)
+ return;
+
+ old_op = ehandler_operation(_("reading directory block"));
+ retval = ext2fs_read_dir_block(ctx->fs, inode->i_block[0], buf);
+ ehandler_operation(0);
+ if (retval)
+ return;
+
+ dirent = (struct ext2_dir_entry *) buf;
+ if (((dirent->name_len & 0xFF) != 1) ||
+ (dirent->name[0] != '.') ||
+ (dirent->inode != pctx->ino) ||
+ (dirent->rec_len < 12) ||
+ (dirent->rec_len % 4) ||
+ (dirent->rec_len >= ctx->fs->blocksize - 12))
+ return;
+
+ dirent = (struct ext2_dir_entry *) (buf + dirent->rec_len);
+ if (((dirent->name_len & 0xFF) != 2) ||
+ (dirent->name[0] != '.') ||
+ (dirent->name[1] != '.') ||
+ (dirent->rec_len < 12) ||
+ (dirent->rec_len % 4))
+ return;
+
+ if (fix_problem(ctx, PR_1_TREAT_AS_DIRECTORY, pctx)) {
+ inode->i_mode = (inode->i_mode & 07777) | LINUX_S_IFDIR;
+ e2fsck_write_inode_full(ctx, pctx->ino, inode,
+ EXT2_INODE_SIZE(ctx->fs->super),
+ "check_is_really_dir");
+ }
+}
+
+extern void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
+ ext2_icount_t *ret)
+{
+ unsigned int threshold;
+ ext2_ino_t num_dirs;
+ errcode_t retval;
+ char *tdb_dir;
+ int enable;
+
+ *ret = 0;
+
+ profile_get_string(ctx->profile, "scratch_files", "directory", 0, 0,
+ &tdb_dir);
+ profile_get_uint(ctx->profile, "scratch_files",
+ "numdirs_threshold", 0, 0, &threshold);
+ profile_get_boolean(ctx->profile, "scratch_files",
+ "icount", 0, 1, &enable);
+
+ retval = ext2fs_get_num_dirs(ctx->fs, &num_dirs);
+ if (retval)
+ num_dirs = 1024; /* Guess */
+
+ if (!enable || !tdb_dir || access(tdb_dir, W_OK) ||
+ (threshold && num_dirs <= threshold))
+ return;
+
+ retval = ext2fs_create_icount_tdb(ctx->fs, tdb_dir, flags, ret);
+ if (retval)
+ *ret = 0;
+}
void e2fsck_pass1(e2fsck_t ctx)
{
int i;
- __u64 max_sizes, max_sect_limit;
+ __u64 max_sizes;
ext2_filsys fs = ctx->fs;
ext2_ino_t ino;
- struct ext2_inode inode;
+ struct ext2_inode *inode;
ext2_inode_scan scan;
char *block_buf;
#ifdef RESOURCE_TRACK
struct problem_context pctx;
struct scan_callback_struct scan_struct;
struct ext2_super_block *sb = ctx->fs->super;
- int imagic_fs;
+ const char *old_op;
+ int imagic_fs, extent_fs;
+ int busted_fs_time = 0;
+ int inode_size;
#ifdef RESOURCE_TRACK
- init_resource_track(&rtrack);
+ init_resource_track(&rtrack, ctx->fs->io);
#endif
clear_problem_context(&pctx);
if (!(ctx->options & E2F_OPT_PREEN))
fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
+ if ((fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) &&
+ !(ctx->options & E2F_OPT_NO)) {
+ if (ext2fs_u32_list_create(&ctx->dirs_to_hash, 50))
+ ctx->dirs_to_hash = 0;
+ }
+
#ifdef MTRACE
mtrace_print("Pass 1");
#endif
-#define EXT2_BPP(bits) (1UL << ((bits) - 2))
+#define EXT2_BPP(bits) (1ULL << ((bits) - 2))
- for (i=0; i < 4; i++) {
- max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(10+i);
- max_sizes = max_sizes + EXT2_BPP(10+i) * EXT2_BPP(10+i);
- max_sizes = (max_sizes +
- (__u64) EXT2_BPP(10+i) * EXT2_BPP(10+i) *
- EXT2_BPP(10+i));
- max_sizes = (max_sizes * (1UL << (10+i))) - 1;
- max_sect_limit = 512ULL * ((1LL << 32) - (1 << (i+1)));
- if (max_sizes > max_sect_limit)
- max_sizes = max_sect_limit;
- ext2_max_sizes[i] = max_sizes;
+ for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) {
+ max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i);
+ max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i);
+ max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i);
+ max_sizes = (max_sizes * (1UL << i)) - 1;
+ ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes;
}
#undef EXT2_BPP
imagic_fs = (sb->s_feature_compat & EXT2_FEATURE_COMPAT_IMAGIC_INODES);
+ extent_fs = (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS);
/*
* Allocate bitmaps structures
ctx->flags |= E2F_FLAG_ABORT;
return;
}
- pctx.errcode = ext2fs_create_icount2(fs, 0, 0, 0,
- &ctx->inode_link_info);
+ e2fsck_setup_tdb_icount(ctx, 0, &ctx->inode_link_info);
+ if (!ctx->inode_link_info)
+ pctx.errcode = ext2fs_create_icount2(fs, 0, 0, 0,
+ &ctx->inode_link_info);
if (pctx.errcode) {
fix_problem(ctx, PR_1_ALLOCATE_ICOUNT, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
+ inode_size = EXT2_INODE_SIZE(fs->super);
+ inode = (struct ext2_inode *)
+ e2fsck_allocate_memory(ctx, inode_size, "scratch inode");
+
inodes_to_process = (struct process_inode_block *)
e2fsck_allocate_memory(ctx,
(ctx->process_inode_size *
if (pctx.errcode) {
fix_problem(ctx, PR_1_ALLOCATE_DBCOUNT, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
+ ext2fs_free_mem(&inode);
return;
}
block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 3,
"block interate buffer");
e2fsck_use_inode_shortcuts(ctx, 1);
- ehandler_operation(_("doing inode scan"));
+ old_op = ehandler_operation(_("opening inode scan"));
pctx.errcode = ext2fs_open_inode_scan(fs, ctx->inode_buffer_blocks,
&scan);
+ ehandler_operation(old_op);
if (pctx.errcode) {
fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
+ ext2fs_free_mem(&block_buf);
+ ext2fs_free_mem(&inode);
return;
}
ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE, 0);
- pctx.errcode = ext2fs_get_next_inode(scan, &ino, &inode);
- if (pctx.errcode) {
- fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return;
- }
- ctx->stashed_inode = &inode;
+ ctx->stashed_inode = inode;
scan_struct.ctx = ctx;
scan_struct.block_buf = block_buf;
ext2fs_set_inode_callback(scan, scan_callback, &scan_struct);
if (ctx->progress)
if ((ctx->progress)(ctx, 1, 0, ctx->fs->group_desc_count))
return;
- while (ino) {
+ if ((fs->super->s_wtime < fs->super->s_inodes_count) ||
+ (fs->super->s_mtime < fs->super->s_inodes_count))
+ busted_fs_time = 1;
+
+ while (1) {
+ old_op = ehandler_operation(_("getting next inode from scan"));
+ pctx.errcode = ext2fs_get_next_inode_full(scan, &ino,
+ inode, inode_size);
+ ehandler_operation(old_op);
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ return;
+ if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
+ if (!ctx->inode_bb_map)
+ alloc_bb_map(ctx);
+ ext2fs_mark_inode_bitmap(ctx->inode_bb_map, ino);
+ ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino);
+ continue;
+ }
+ if (pctx.errcode) {
+ fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ if (!ino)
+ break;
pctx.ino = ino;
- pctx.inode = &inode;
+ pctx.inode = inode;
ctx->stashed_ino = ino;
- if (inode.i_links_count) {
+ if (inode->i_links_count) {
pctx.errcode = ext2fs_icount_store(ctx->inode_link_info,
- ino, inode.i_links_count);
+ ino, inode->i_links_count);
if (pctx.errcode) {
- pctx.num = inode.i_links_count;
+ pctx.num = inode->i_links_count;
fix_problem(ctx, PR_1_ICOUNT_STORE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
}
+
+ /*
+ * Test for incorrect extent flag settings.
+ *
+ * On big-endian machines we must be careful:
+ * When the inode is read, the i_block array is not swapped
+ * if the extent flag is set. Therefore if we are testing
+ * for or fixing a wrongly-set flag, we must potentially
+ * (un)swap before testing, or after fixing.
+ */
+
+ /*
+ * In this case the extents flag was set when read, so
+ * extent_header_verify is ok. If the inode is cleared,
+ * no need to swap... so no extra swapping here.
+ */
+ if ((inode->i_flags & EXT4_EXTENTS_FL) && !extent_fs &&
+ (inode->i_links_count || (ino == EXT2_BAD_INO) ||
+ (ino == EXT2_ROOT_INO) || (ino == EXT2_JOURNAL_INO))) {
+ if ((ext2fs_extent_header_verify(inode->i_block,
+ sizeof(inode->i_block)) == 0) &&
+ fix_problem(ctx, PR_1_EXTENT_FEATURE, &pctx)) {
+ sb->s_feature_incompat |= EXT3_FEATURE_INCOMPAT_EXTENTS;
+ ext2fs_mark_super_dirty(fs);
+ extent_fs = 1;
+ } else if (fix_problem(ctx, PR_1_EXTENTS_SET, &pctx)) {
+ clear_inode:
+ e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
+ if (ino == EXT2_BAD_INO)
+ ext2fs_mark_inode_bitmap(ctx->inode_used_map,
+ ino);
+ continue;
+ }
+ }
+
+ /*
+ * For big-endian machines:
+ * If the inode didn't have the extents flag set when it
+ * was read, then the i_blocks array was swapped. To test
+ * as an extents header, we must swap it back first.
+ * IF we then set the extents flag, the entire i_block
+ * array must be un/re-swapped to make it proper extents data.
+ */
+ if (extent_fs && !(inode->i_flags & EXT4_EXTENTS_FL) &&
+ (inode->i_links_count || (ino == EXT2_BAD_INO) ||
+ (ino == EXT2_ROOT_INO) || (ino == EXT2_JOURNAL_INO)) &&
+ (LINUX_S_ISREG(inode->i_mode) ||
+ LINUX_S_ISDIR(inode->i_mode))) {
+ void *ehp;
+#ifdef WORDS_BIGENDIAN
+ __u32 tmp_block[EXT2_N_BLOCKS];
+
+ for (i = 0; i < EXT2_N_BLOCKS; i++)
+ tmp_block[i] = ext2fs_swab32(inode->i_block[i]);
+ ehp = tmp_block;
+#else
+ ehp = inode->i_block;
+#endif
+ if ((ext2fs_extent_header_verify(ehp,
+ sizeof(inode->i_block)) == 0) &&
+ (fix_problem(ctx, PR_1_UNSET_EXTENT_FL, &pctx))) {
+ inode->i_flags |= EXT4_EXTENTS_FL;
+#ifdef WORDS_BIGENDIAN
+ memcpy(inode->i_block, tmp_block,
+ sizeof(inode->i_block));
+#endif
+ e2fsck_write_inode(ctx, ino, inode, "pass1");
+ }
+ }
+
if (ino == EXT2_BAD_INO) {
struct process_block_struct pb;
+ pctx.errcode = ext2fs_copy_bitmap(ctx->block_found_map,
+ &pb.fs_meta_blocks);
+ if (pctx.errcode) {
+ pctx.num = 4;
+ fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
pb.ino = EXT2_BAD_INO;
pb.num_blocks = pb.last_block = 0;
pb.num_illegal_blocks = 0;
pb.suppress = 0; pb.clear = 0; pb.is_dir = 0;
- pb.fragmented = 0;
- pb.inode = &inode;
+ pb.is_reg = 0; pb.fragmented = 0; pb.bbcheck = 0;
+ pb.inode = inode;
pb.pctx = &pctx;
pb.ctx = ctx;
pctx.errcode = ext2fs_block_iterate2(fs, ino, 0,
block_buf, process_bad_block, &pb);
+ ext2fs_free_block_bitmap(pb.fs_meta_blocks);
if (pctx.errcode) {
fix_problem(ctx, PR_1_BLOCK_ITERATE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
+ if (pb.bbcheck)
+ if (!fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK_PROMPT, &pctx)) {
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino);
clear_problem_context(&pctx);
- goto next;
+ continue;
} else if (ino == EXT2_ROOT_INO) {
/*
* Make sure the root inode is a directory; if
* not, offer to clear it. It will be
* regnerated in pass #3.
*/
- if (!LINUX_S_ISDIR(inode.i_mode)) {
- if (fix_problem(ctx, PR_1_ROOT_NO_DIR, &pctx)) {
- inode.i_dtime = time(0);
- inode.i_links_count = 0;
- ext2fs_icount_store(ctx->inode_link_info,
- ino, 0);
- e2fsck_write_inode(ctx, ino, &inode,
- "pass1");
- }
-
+ if (!LINUX_S_ISDIR(inode->i_mode)) {
+ if (fix_problem(ctx, PR_1_ROOT_NO_DIR, &pctx))
+ goto clear_inode;
}
/*
* If dtime is set, offer to clear it. mke2fs
* easily. But we will fix the root directory
* as a special case.
*/
- if (inode.i_dtime && inode.i_links_count) {
+ if (inode->i_dtime && inode->i_links_count) {
if (fix_problem(ctx, PR_1_ROOT_DTIME, &pctx)) {
- inode.i_dtime = 0;
- e2fsck_write_inode(ctx, ino, &inode,
+ inode->i_dtime = 0;
+ e2fsck_write_inode(ctx, ino, inode,
"pass1");
}
}
} else if (ino == EXT2_JOURNAL_INO) {
ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino);
if (fs->super->s_journal_inum == EXT2_JOURNAL_INO) {
- /*
- * XXX arguably this check should be
- * in journal.c, before we decide it's
- * safe to run the journal...
- */
- if (!LINUX_S_ISREG(inode.i_mode) &&
+ if (!LINUX_S_ISREG(inode->i_mode) &&
fix_problem(ctx, PR_1_JOURNAL_BAD_MODE,
&pctx)) {
- inode.i_mode = LINUX_S_IFREG;
- e2fsck_write_inode(ctx, ino, &inode,
+ inode->i_mode = LINUX_S_IFREG;
+ e2fsck_write_inode(ctx, ino, inode,
"pass1");
}
check_blocks(ctx, &pctx, block_buf);
- goto next;
+ continue;
}
- if ((inode.i_links_count || inode.i_blocks ||
- inode.i_blocks || inode.i_block[0]) &&
+ if ((inode->i_links_count || inode->i_blocks ||
+ inode->i_blocks || inode->i_block[0]) &&
fix_problem(ctx, PR_1_JOURNAL_INODE_NOT_CLEAR,
&pctx)) {
- memset(&inode, 0, sizeof(inode));
+ memset(inode, 0, inode_size);
ext2fs_icount_store(ctx->inode_link_info,
ino, 0);
- e2fsck_write_inode(ctx, ino, &inode, "pass1");
+ e2fsck_write_inode_full(ctx, ino, inode,
+ inode_size, "pass1");
}
} else if (ino < EXT2_FIRST_INODE(fs->super)) {
int problem = 0;
ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino);
if (ino == EXT2_BOOT_LOADER_INO) {
- if (LINUX_S_ISDIR(inode.i_mode))
+ if (LINUX_S_ISDIR(inode->i_mode))
+ problem = PR_1_RESERVED_BAD_MODE;
+ } else if (ino == EXT2_RESIZE_INO) {
+ if (inode->i_mode &&
+ !LINUX_S_ISREG(inode->i_mode))
problem = PR_1_RESERVED_BAD_MODE;
} else {
- if (inode.i_mode != 0)
+ if (inode->i_mode != 0)
problem = PR_1_RESERVED_BAD_MODE;
}
if (problem) {
if (fix_problem(ctx, problem, &pctx)) {
- inode.i_mode = 0;
- e2fsck_write_inode(ctx, ino, &inode,
+ inode->i_mode = 0;
+ e2fsck_write_inode(ctx, ino, inode,
"pass1");
}
}
check_blocks(ctx, &pctx, block_buf);
- goto next;
+ continue;
}
/*
+ * Check for inodes who might have been part of the
+ * orphaned list linked list. They should have gotten
+ * dealt with by now, unless the list had somehow been
+ * corrupted.
+ *
+ * FIXME: In the future, inodes which are still in use
+ * (and which are therefore) pending truncation should
+ * be handled specially. Right now we just clear the
+ * dtime field, and the normal e2fsck handling of
+ * inodes where i_size and the inode blocks are
+ * inconsistent is to fix i_size, instead of releasing
+ * the extra blocks. This won't catch the inodes that
+ * was at the end of the orphan list, but it's better
+ * than nothing. The right answer is that there
+ * shouldn't be any bugs in the orphan list handling. :-)
+ */
+ if (inode->i_dtime && !busted_fs_time &&
+ inode->i_dtime < ctx->fs->super->s_inodes_count) {
+ if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) {
+ inode->i_dtime = inode->i_links_count ?
+ 0 : ctx->now;
+ e2fsck_write_inode(ctx, ino, inode,
+ "pass1");
+ }
+ }
+
+ /*
* This code assumes that deleted inodes have
* i_links_count set to 0.
*/
- if (!inode.i_links_count) {
- if (!inode.i_dtime && inode.i_mode) {
+ if (!inode->i_links_count) {
+ if (!inode->i_dtime && inode->i_mode) {
if (fix_problem(ctx,
PR_1_ZERO_DTIME, &pctx)) {
- inode.i_dtime = time(0);
- e2fsck_write_inode(ctx, ino, &inode,
+ inode->i_dtime = ctx->now;
+ e2fsck_write_inode(ctx, ino, inode,
"pass1");
}
}
- goto next;
+ continue;
}
/*
* n.b. 0.3c ext2fs code didn't clear i_links_count for
* should keep the file, not delete it.
*
*/
- if (inode.i_dtime) {
+ if (inode->i_dtime) {
if (fix_problem(ctx, PR_1_SET_DTIME, &pctx)) {
- inode.i_dtime = 0;
- e2fsck_write_inode(ctx, ino, &inode, "pass1");
+ inode->i_dtime = 0;
+ e2fsck_write_inode(ctx, ino, inode, "pass1");
}
}
ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino);
switch (fs->super->s_creator_os) {
- case EXT2_OS_LINUX:
- frag = inode.osd2.linux2.l_i_frag;
- fsize = inode.osd2.linux2.l_i_fsize;
- break;
case EXT2_OS_HURD:
- frag = inode.osd2.hurd2.h_i_frag;
- fsize = inode.osd2.hurd2.h_i_fsize;
- break;
- case EXT2_OS_MASIX:
- frag = inode.osd2.masix2.m_i_frag;
- fsize = inode.osd2.masix2.m_i_fsize;
+ frag = inode->osd2.hurd2.h_i_frag;
+ fsize = inode->osd2.hurd2.h_i_fsize;
break;
default:
frag = fsize = 0;
}
- if (inode.i_faddr || frag || fsize
- || inode.i_file_acl ||
- (LINUX_S_ISDIR(inode.i_mode) && inode.i_dir_acl)) {
- if (!ctx->inode_bad_map)
- alloc_bad_map(ctx);
- ext2fs_mark_inode_bitmap(ctx->inode_bad_map, ino);
- }
- if (inode.i_flags & EXT2_IMAGIC_FL) {
+ if (inode->i_faddr || frag || fsize ||
+ (LINUX_S_ISDIR(inode->i_mode) && inode->i_dir_acl))
+ mark_inode_bad(ctx, ino);
+ if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+ !(fs->super->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+ (inode->osd2.linux2.l_i_blocks_hi != 0))
+ mark_inode_bad(ctx, ino);
+ if (inode->i_flags & EXT2_IMAGIC_FL) {
if (imagic_fs) {
if (!ctx->inode_imagic_map)
alloc_imagic_map(ctx);
ino);
} else {
if (fix_problem(ctx, PR_1_SET_IMAGIC, &pctx)) {
- inode.i_flags &= ~EXT2_IMAGIC_FL;
+ inode->i_flags &= ~EXT2_IMAGIC_FL;
e2fsck_write_inode(ctx, ino,
- &inode, "pass1");
+ inode, "pass1");
}
}
}
-
- if (LINUX_S_ISDIR(inode.i_mode)) {
+
+ check_inode_extra_space(ctx, &pctx);
+ check_is_really_dir(ctx, &pctx, block_buf);
+
+ /*
+ * ext2fs_inode_has_valid_blocks does not actually look
+ * at i_block[] values, so not endian-sensitive here.
+ */
+ if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL) &&
+ LINUX_S_ISLNK(inode->i_mode) &&
+ !ext2fs_inode_has_valid_blocks(inode) &&
+ fix_problem(ctx, PR_1_FAST_SYMLINK_EXTENT_FL, &pctx)) {
+ inode->i_flags &= ~EXT4_EXTENTS_FL;
+ e2fsck_write_inode(ctx, ino, inode, "pass1");
+ }
+
+ if (LINUX_S_ISDIR(inode->i_mode)) {
ext2fs_mark_inode_bitmap(ctx->inode_dir_map, ino);
e2fsck_add_dir_info(ctx, ino, 0);
ctx->fs_directory_count++;
- } else if (LINUX_S_ISREG (inode.i_mode)) {
+ } else if (LINUX_S_ISREG (inode->i_mode)) {
ext2fs_mark_inode_bitmap(ctx->inode_reg_map, ino);
ctx->fs_regular_count++;
- } else if (LINUX_S_ISCHR (inode.i_mode) &&
- e2fsck_pass1_check_device_inode(&inode)) {
+ } else if (LINUX_S_ISCHR (inode->i_mode) &&
+ e2fsck_pass1_check_device_inode(fs, inode)) {
check_immutable(ctx, &pctx);
check_size(ctx, &pctx);
ctx->fs_chardev_count++;
- } else if (LINUX_S_ISBLK (inode.i_mode) &&
- e2fsck_pass1_check_device_inode(&inode)) {
+ } else if (LINUX_S_ISBLK (inode->i_mode) &&
+ e2fsck_pass1_check_device_inode(fs, inode)) {
check_immutable(ctx, &pctx);
check_size(ctx, &pctx);
ctx->fs_blockdev_count++;
- } else if (LINUX_S_ISLNK (inode.i_mode)) {
+ } else if (LINUX_S_ISLNK (inode->i_mode) &&
+ e2fsck_pass1_check_symlink(fs, ino, inode,
+ block_buf)) {
+ check_immutable(ctx, &pctx);
ctx->fs_symlinks_count++;
- if (!inode.i_blocks) {
+ if (ext2fs_inode_data_blocks(fs, inode) == 0) {
ctx->fs_fast_symlinks_count++;
- goto next;
+ check_blocks(ctx, &pctx, block_buf);
+ continue;
}
}
- else if (LINUX_S_ISFIFO (inode.i_mode) &&
- e2fsck_pass1_check_device_inode(&inode)) {
+ else if (LINUX_S_ISFIFO (inode->i_mode) &&
+ e2fsck_pass1_check_device_inode(fs, inode)) {
check_immutable(ctx, &pctx);
check_size(ctx, &pctx);
ctx->fs_fifo_count++;
- } else if ((LINUX_S_ISSOCK (inode.i_mode)) &&
- e2fsck_pass1_check_device_inode(&inode)) {
+ } else if ((LINUX_S_ISSOCK (inode->i_mode)) &&
+ e2fsck_pass1_check_device_inode(fs, inode)) {
check_immutable(ctx, &pctx);
check_size(ctx, &pctx);
ctx->fs_sockets_count++;
- } else {
- if (!ctx->inode_bad_map)
- alloc_bad_map(ctx);
- ext2fs_mark_inode_bitmap(ctx->inode_bad_map, ino);
- }
- if (inode.i_block[EXT2_IND_BLOCK])
+ } else
+ mark_inode_bad(ctx, ino);
+ if (inode->i_block[EXT2_IND_BLOCK])
ctx->fs_ind_count++;
- if (inode.i_block[EXT2_DIND_BLOCK])
+ if (inode->i_block[EXT2_DIND_BLOCK])
ctx->fs_dind_count++;
- if (inode.i_block[EXT2_TIND_BLOCK])
+ if (inode->i_block[EXT2_TIND_BLOCK])
ctx->fs_tind_count++;
- if (inode.i_block[EXT2_IND_BLOCK] ||
- inode.i_block[EXT2_DIND_BLOCK] ||
- inode.i_block[EXT2_TIND_BLOCK]) {
+ if (!(inode->i_flags & EXT4_EXTENTS_FL) &&
+ (inode->i_block[EXT2_IND_BLOCK] ||
+ inode->i_block[EXT2_DIND_BLOCK] ||
+ inode->i_block[EXT2_TIND_BLOCK] ||
+ inode->i_file_acl)) {
inodes_to_process[process_inode_count].ino = ino;
- inodes_to_process[process_inode_count].inode = inode;
+ inodes_to_process[process_inode_count].inode = *inode;
process_inode_count++;
} else
check_blocks(ctx, &pctx, block_buf);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
}
- next:
- pctx.errcode = ext2fs_get_next_inode(scan, &ino, &inode);
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
- return;
- if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
- if (!ctx->inode_bb_map)
- alloc_bb_map(ctx);
- ext2fs_mark_inode_bitmap(ctx->inode_bb_map, ino);
- ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino);
- goto next;
- }
- if (pctx.errcode) {
- fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return;
- }
}
process_inodes(ctx, block_buf);
ext2fs_close_inode_scan(scan);
- ehandler_operation(0);
+ /*
+ * If any extended attribute blocks' reference counts need to
+ * be adjusted, either up (ctx->refcount_extra), or down
+ * (ctx->refcount), then fix them.
+ */
+ if (ctx->refcount) {
+ adjust_extattr_refcount(ctx, ctx->refcount, block_buf, -1);
+ ea_refcount_free(ctx->refcount);
+ ctx->refcount = 0;
+ }
+ if (ctx->refcount_extra) {
+ adjust_extattr_refcount(ctx, ctx->refcount_extra,
+ block_buf, +1);
+ ea_refcount_free(ctx->refcount_extra);
+ ctx->refcount_extra = 0;
+ }
+
if (ctx->invalid_bitmaps)
handle_fs_bad_blocks(ctx);
+ /* We don't need the block_ea_map any more */
+ if (ctx->block_ea_map) {
+ ext2fs_free_block_bitmap(ctx->block_ea_map);
+ ctx->block_ea_map = 0;
+ }
+
+ if (ctx->flags & E2F_FLAG_RESIZE_INODE) {
+ ext2fs_block_bitmap save_bmap;
+
+ save_bmap = fs->block_map;
+ fs->block_map = ctx->block_found_map;
+ clear_problem_context(&pctx);
+ pctx.errcode = ext2fs_create_resize_inode(fs);
+ if (pctx.errcode) {
+ fix_problem(ctx, PR_1_RESIZE_INODE_CREATE, &pctx);
+ /* Should never get here */
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ e2fsck_read_inode(ctx, EXT2_RESIZE_INO, inode,
+ "recreate inode");
+ inode->i_mtime = ctx->now;
+ e2fsck_write_inode(ctx, EXT2_RESIZE_INO, inode,
+ "recreate inode");
+ fs->block_map = save_bmap;
+ ctx->flags &= ~E2F_FLAG_RESIZE_INODE;
+ }
+
if (ctx->flags & E2F_FLAG_RESTART) {
/*
* Only the master copy of the superblock and block
}
e2fsck_pass1_dupblocks(ctx, block_buf);
}
- ext2fs_free_mem((void **) &inodes_to_process);
+ ext2fs_free_mem(&inodes_to_process);
endit:
e2fsck_use_inode_shortcuts(ctx, 0);
- ext2fs_free_mem((void **) &block_buf);
-
- if (ctx->large_files) {
- if (!(sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_LARGE_FILE) &&
- fix_problem(ctx, PR_1_FEATURE_LARGE_FILES, &pctx)) {
- sb->s_feature_ro_compat |=
- EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
- ext2fs_mark_super_dirty(fs);
- }
- if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
- fix_problem(ctx, PR_1_FS_REV_LEVEL, &pctx)) {
- ext2fs_update_dynamic_rev(fs);
- ext2fs_mark_super_dirty(fs);
- }
- } else if (!ctx->large_files &&
- (sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_LARGE_FILE)) {
- if (fs->flags & EXT2_FLAG_RW) {
- sb->s_feature_ro_compat &=
- ~EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
- ext2fs_mark_super_dirty(fs);
- }
- }
-
+ ext2fs_free_mem(&block_buf);
+ ext2fs_free_mem(&inode);
+
#ifdef RESOURCE_TRACK
if (ctx->options & E2F_OPT_TIME2) {
e2fsck_clear_progbar(ctx);
- print_resource_track(_("Pass 1"), &rtrack);
+ print_resource_track(_("Pass 1"), &rtrack, ctx->fs->io);
}
#endif
}
* When the inode_scan routines call this callback at the end of the
* glock group, call process_inodes.
*/
-static errcode_t scan_callback(ext2_filsys fs, ext2_inode_scan scan,
+static errcode_t scan_callback(ext2_filsys fs,
+ ext2_inode_scan scan EXT2FS_ATTR((unused)),
dgrp_t group, void * priv_data)
{
struct scan_callback_struct *scan_struct;
(const struct process_inode_block *) a;
const struct process_inode_block *ib_b =
(const struct process_inode_block *) b;
-
- return (ib_a->inode.i_block[EXT2_IND_BLOCK] -
- ib_b->inode.i_block[EXT2_IND_BLOCK]);
+ int ret;
+
+ ret = (ib_a->inode.i_block[EXT2_IND_BLOCK] -
+ ib_b->inode.i_block[EXT2_IND_BLOCK]);
+ if (ret == 0)
+ ret = ib_a->inode.i_file_acl - ib_b->inode.i_file_acl;
+ return ret;
}
/*
- * This procedure will allocate the inode bad map table
+ * Mark an inode as being bad in some what
*/
-static void alloc_bad_map(e2fsck_t ctx)
+static void mark_inode_bad(e2fsck_t ctx, ino_t ino)
{
struct problem_context pctx;
+
+ if (!ctx->inode_bad_map) {
+ clear_problem_context(&pctx);
- clear_problem_context(&pctx);
-
- pctx.errcode = ext2fs_allocate_inode_bitmap(ctx->fs, _("bad inode map"),
- &ctx->inode_bad_map);
- if (pctx.errcode) {
- pctx.num = 3;
- fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
- /* Should never get here */
- ctx->flags |= E2F_FLAG_ABORT;
- return;
+ pctx.errcode = ext2fs_allocate_inode_bitmap(ctx->fs,
+ _("bad inode map"), &ctx->inode_bad_map);
+ if (pctx.errcode) {
+ pctx.num = 3;
+ fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
+ /* Should never get here */
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
}
+ ext2fs_mark_inode_bitmap(ctx->inode_bad_map, ino);
}
+
/*
* This procedure will allocate the inode "bb" (badblock) map table
*/
}
/*
+ * Adjust the extended attribute block's reference counts at the end
+ * of pass 1, either by subtracting out references for EA blocks that
+ * are still referenced in ctx->refcount, or by adding references for
+ * EA blocks that had extra references as accounted for in
+ * ctx->refcount_extra.
+ */
+static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
+ char *block_buf, int adjust_sign)
+{
+ struct ext2_ext_attr_header *header;
+ struct problem_context pctx;
+ ext2_filsys fs = ctx->fs;
+ blk_t blk;
+ __u32 should_be;
+ int count;
+
+ clear_problem_context(&pctx);
+
+ ea_refcount_intr_begin(refcount);
+ while (1) {
+ if ((blk = ea_refcount_intr_next(refcount, &count)) == 0)
+ break;
+ pctx.blk = blk;
+ pctx.errcode = ext2fs_read_ext_attr(fs, blk, block_buf);
+ if (pctx.errcode) {
+ fix_problem(ctx, PR_1_EXTATTR_READ_ABORT, &pctx);
+ return;
+ }
+ header = (struct ext2_ext_attr_header *) block_buf;
+ pctx.blkcount = header->h_refcount;
+ should_be = header->h_refcount + adjust_sign * count;
+ pctx.num = should_be;
+ if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) {
+ header->h_refcount = should_be;
+ pctx.errcode = ext2fs_write_ext_attr(fs, blk,
+ block_buf);
+ if (pctx.errcode) {
+ fix_problem(ctx, PR_1_EXTATTR_WRITE, &pctx);
+ continue;
+ }
+ }
+ }
+}
+
+/*
+ * Handle processing the extended attribute blocks
+ */
+static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
+ char *block_buf)
+{
+ ext2_filsys fs = ctx->fs;
+ ext2_ino_t ino = pctx->ino;
+ struct ext2_inode *inode = pctx->inode;
+ blk_t blk;
+ char * end;
+ struct ext2_ext_attr_header *header;
+ struct ext2_ext_attr_entry *entry;
+ int count;
+ region_t region = 0;
+
+ blk = inode->i_file_acl;
+ if (blk == 0)
+ return 0;
+
+ /*
+ * If the Extended attribute flag isn't set, then a non-zero
+ * file acl means that the inode is corrupted.
+ *
+ * Or if the extended attribute block is an invalid block,
+ * then the inode is also corrupted.
+ */
+ if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) ||
+ (blk < fs->super->s_first_data_block) ||
+ (blk >= fs->super->s_blocks_count)) {
+ mark_inode_bad(ctx, ino);
+ return 0;
+ }
+
+ /* If ea bitmap hasn't been allocated, create it */
+ if (!ctx->block_ea_map) {
+ pctx->errcode = ext2fs_allocate_block_bitmap(fs,
+ _("ext attr block map"),
+ &ctx->block_ea_map);
+ if (pctx->errcode) {
+ pctx->num = 2;
+ fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return 0;
+ }
+ }
+
+ /* Create the EA refcount structure if necessary */
+ if (!ctx->refcount) {
+ pctx->errcode = ea_refcount_create(0, &ctx->refcount);
+ if (pctx->errcode) {
+ pctx->num = 1;
+ fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return 0;
+ }
+ }
+
+#if 0
+ /* Debugging text */
+ printf("Inode %u has EA block %u\n", ino, blk);
+#endif
+
+ /* Have we seen this EA block before? */
+ if (ext2fs_fast_test_block_bitmap(ctx->block_ea_map, blk)) {
+ if (ea_refcount_decrement(ctx->refcount, blk, 0) == 0)
+ return 1;
+ /* Ooops, this EA was referenced more than it stated */
+ if (!ctx->refcount_extra) {
+ pctx->errcode = ea_refcount_create(0,
+ &ctx->refcount_extra);
+ if (pctx->errcode) {
+ pctx->num = 2;
+ fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return 0;
+ }
+ }
+ ea_refcount_increment(ctx->refcount_extra, blk, 0);
+ return 1;
+ }
+
+ /*
+ * OK, we haven't seen this EA block yet. So we need to
+ * validate it
+ */
+ pctx->blk = blk;
+ pctx->errcode = ext2fs_read_ext_attr(fs, blk, block_buf);
+ if (pctx->errcode && fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx))
+ goto clear_extattr;
+ header = (struct ext2_ext_attr_header *) block_buf;
+ pctx->blk = inode->i_file_acl;
+ if (((ctx->ext_attr_ver == 1) &&
+ (header->h_magic != EXT2_EXT_ATTR_MAGIC_v1)) ||
+ ((ctx->ext_attr_ver == 2) &&
+ (header->h_magic != EXT2_EXT_ATTR_MAGIC))) {
+ if (fix_problem(ctx, PR_1_BAD_EA_BLOCK, pctx))
+ goto clear_extattr;
+ }
+
+ if (header->h_blocks != 1) {
+ if (fix_problem(ctx, PR_1_EA_MULTI_BLOCK, pctx))
+ goto clear_extattr;
+ }
+
+ region = region_create(0, fs->blocksize);
+ if (!region) {
+ fix_problem(ctx, PR_1_EA_ALLOC_REGION, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return 0;
+ }
+ if (region_allocate(region, 0, sizeof(struct ext2_ext_attr_header))) {
+ if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
+ goto clear_extattr;
+ }
+
+ entry = (struct ext2_ext_attr_entry *)(header+1);
+ end = block_buf + fs->blocksize;
+ while ((char *)entry < end && *(__u32 *)entry) {
+ __u32 hash;
+
+ if (region_allocate(region, (char *)entry - (char *)header,
+ EXT2_EXT_ATTR_LEN(entry->e_name_len))) {
+ if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
+ goto clear_extattr;
+ break;
+ }
+ if ((ctx->ext_attr_ver == 1 &&
+ (entry->e_name_len == 0 || entry->e_name_index != 0)) ||
+ (ctx->ext_attr_ver == 2 &&
+ entry->e_name_index == 0)) {
+ if (fix_problem(ctx, PR_1_EA_BAD_NAME, pctx))
+ goto clear_extattr;
+ break;
+ }
+ if (entry->e_value_block != 0) {
+ if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
+ goto clear_extattr;
+ }
+ if (entry->e_value_offs + entry->e_value_size > fs->blocksize) {
+ if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
+ goto clear_extattr;
+ break;
+ }
+ if (entry->e_value_size &&
+ region_allocate(region, entry->e_value_offs,
+ EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
+ if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
+ goto clear_extattr;
+ }
+
+ hash = ext2fs_ext_attr_hash_entry(entry, block_buf +
+ entry->e_value_offs);
+
+ if (entry->e_hash != hash) {
+ pctx->num = entry->e_hash;
+ if (fix_problem(ctx, PR_1_ATTR_HASH, pctx))
+ goto clear_extattr;
+ entry->e_hash = hash;
+ }
+
+ entry = EXT2_EXT_ATTR_NEXT(entry);
+ }
+ if (region_allocate(region, (char *)entry - (char *)header, 4)) {
+ if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
+ goto clear_extattr;
+ }
+ region_free(region);
+
+ count = header->h_refcount - 1;
+ if (count)
+ ea_refcount_store(ctx->refcount, blk, count);
+ mark_block_used(ctx, blk);
+ ext2fs_fast_mark_block_bitmap(ctx->block_ea_map, blk);
+ return 1;
+
+clear_extattr:
+ if (region)
+ region_free(region);
+ inode->i_file_acl = 0;
+ e2fsck_write_inode(ctx, ino, inode, "check_ext_attr");
+ return 0;
+}
+
+/* Returns 1 if bad htree, 0 if OK */
+static int handle_htree(e2fsck_t ctx, struct problem_context *pctx,
+ ext2_ino_t ino, struct ext2_inode *inode,
+ char *block_buf)
+{
+ struct ext2_dx_root_info *root;
+ ext2_filsys fs = ctx->fs;
+ errcode_t retval;
+ blk_t blk;
+
+ if ((!LINUX_S_ISDIR(inode->i_mode) &&
+ fix_problem(ctx, PR_1_HTREE_NODIR, pctx)) ||
+ (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) &&
+ fix_problem(ctx, PR_1_HTREE_SET, pctx)))
+ return 1;
+
+ pctx->errcode = ext2fs_bmap(fs, ino, inode, 0, 0, 0, &blk);
+
+ if ((pctx->errcode) ||
+ (blk == 0) ||
+ (blk < fs->super->s_first_data_block) ||
+ (blk >= fs->super->s_blocks_count)) {
+ if (fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
+ return 1;
+ else
+ return 0;
+ }
+
+ retval = io_channel_read_blk(fs->io, blk, 1, block_buf);
+ if (retval && fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
+ return 1;
+
+ /* XXX should check that beginning matches a directory */
+ root = (struct ext2_dx_root_info *) (block_buf + 24);
+
+ if ((root->reserved_zero || root->info_length < 8) &&
+ fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
+ return 1;
+
+ pctx->num = root->hash_version;
+ if ((root->hash_version != EXT2_HASH_LEGACY) &&
+ (root->hash_version != EXT2_HASH_HALF_MD4) &&
+ (root->hash_version != EXT2_HASH_TEA) &&
+ fix_problem(ctx, PR_1_HTREE_HASHV, pctx))
+ return 1;
+
+ if ((root->unused_flags & EXT2_HASH_FLAG_INCOMPAT) &&
+ fix_problem(ctx, PR_1_HTREE_INCOMPAT, pctx))
+ return 1;
+
+ pctx->num = root->indirect_levels;
+ if ((root->indirect_levels > 1) &&
+ fix_problem(ctx, PR_1_HTREE_DEPTH, pctx))
+ return 1;
+
+ return 0;
+}
+
+void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
+ struct ext2_inode *inode, int restart_flag,
+ const char *source)
+{
+ inode->i_flags = 0;
+ inode->i_links_count = 0;
+ ext2fs_icount_store(ctx->inode_link_info, ino, 0);
+ inode->i_dtime = ctx->now;
+
+ ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino);
+ ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino);
+ if (ctx->inode_reg_map)
+ ext2fs_unmark_inode_bitmap(ctx->inode_reg_map, ino);
+ if (ctx->inode_bad_map)
+ ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino);
+
+ /*
+ * If the inode was partially accounted for before processing
+ * was aborted, we need to restart the pass 1 scan.
+ */
+ ctx->flags |= restart_flag;
+
+ e2fsck_write_inode(ctx, ino, inode, source);
+}
+
+static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
+ struct process_block_struct *pb,
+ blk64_t start_block,
+ ext2_extent_handle_t ehandle)
+{
+ struct ext2fs_extent extent;
+ blk_t blk;
+ e2_blkcnt_t blockcnt;
+ unsigned int i;
+ int is_dir, is_leaf;
+ errcode_t problem;
+ struct ext2_extent_info info;
+
+ pctx->errcode = ext2fs_extent_get_info(ehandle, &info);
+ if (pctx->errcode)
+ return;
+
+ pctx->errcode = ext2fs_extent_get(ehandle, EXT2_EXTENT_FIRST_SIB,
+ &extent);
+ while (!pctx->errcode && info.num_entries-- > 0) {
+ is_leaf = extent.e_flags & EXT2_EXTENT_FLAGS_LEAF;
+ is_dir = LINUX_S_ISDIR(pctx->inode->i_mode);
+
+ problem = 0;
+ if (extent.e_pblk < ctx->fs->super->s_first_data_block ||
+ extent.e_pblk >= ctx->fs->super->s_blocks_count)
+ problem = PR_1_EXTENT_BAD_START_BLK;
+ else if (extent.e_lblk < start_block)
+ problem = PR_1_OUT_OF_ORDER_EXTENTS;
+ else if (is_leaf &&
+ (extent.e_pblk + extent.e_len) >
+ ctx->fs->super->s_blocks_count)
+ problem = PR_1_EXTENT_ENDS_BEYOND;
+
+ if (problem) {
+ pctx->blk = extent.e_pblk;
+ pctx->blk2 = extent.e_lblk;
+ pctx->num = extent.e_len;
+ if (fix_problem(ctx, problem, pctx)) {
+ pctx->errcode =
+ ext2fs_extent_delete(ehandle, 0);
+ if (pctx->errcode) {
+ fix_problem(ctx,
+ PR_1_EXTENT_DELETE_FAIL,
+ pctx);
+ /* Should never get here */
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ pctx->errcode = ext2fs_extent_get(ehandle,
+ EXT2_EXTENT_CURRENT,
+ &extent);
+ if (pctx->errcode == EXT2_ET_NO_CURRENT_NODE) {
+ pctx->errcode = 0;
+ break;
+ }
+ continue;
+ }
+ goto next;
+ }
+
+ if (!is_leaf) {
+ mark_block_used(ctx, extent.e_pblk);
+ pb->num_blocks++;
+ pctx->errcode = ext2fs_extent_get(ehandle,
+ EXT2_EXTENT_DOWN, &extent);
+ if (pctx->errcode) {
+ printf("Error1: %s on inode %u\n",
+ error_message(pctx->errcode), pctx->ino);
+ abort();
+ }
+ scan_extent_node(ctx, pctx, pb, extent.e_lblk, ehandle);
+ pctx->errcode = ext2fs_extent_get(ehandle,
+ EXT2_EXTENT_UP, &extent);
+ if (pctx->errcode) {
+ printf("Error1: %s on inode %u\n",
+ error_message(pctx->errcode), pctx->ino);
+ abort();
+ }
+ goto next;
+ }
+
+ for (blk = extent.e_pblk, blockcnt = extent.e_lblk, i = 0;
+ i < extent.e_len;
+ blk++, blockcnt++, i++) {
+ mark_block_used(ctx, blk);
+
+ if (is_dir) {
+ pctx->errcode = ext2fs_add_dir_block(ctx->fs->dblist, pctx->ino, blk, blockcnt);
+ if (pctx->errcode) {
+ pctx->blk = blk;
+ pctx->num = blockcnt;
+ fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
+ /* Should never get here */
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ }
+ }
+ pb->num_blocks += extent.e_len;
+ start_block = pb->last_block = extent.e_lblk + extent.e_len - 1;
+ next:
+ pctx->errcode = ext2fs_extent_get(ehandle,
+ EXT2_EXTENT_NEXT_SIB,
+ &extent);
+ }
+ if (pctx->errcode == EXT2_ET_EXTENT_NO_NEXT)
+ pctx->errcode = 0;
+}
+
+static void check_blocks_extents(e2fsck_t ctx, struct problem_context *pctx,
+ struct process_block_struct *pb)
+{
+ struct ext2_inode *inode = pctx->inode;
+ ext2_extent_handle_t ehandle;
+ ext2_filsys fs = ctx->fs;
+ ext2_ino_t ino = pctx->ino;
+
+ pctx->errcode = ext2fs_extent_open(fs, ino, &ehandle);
+ if (pctx->errcode &&
+ fix_problem(ctx, PR_1_READ_EXTENT, pctx)) {
+ e2fsck_clear_inode(ctx, ino, inode, 0, "check_blocks_extents");
+ pctx->errcode = 0;
+ return;
+ }
+
+ scan_extent_node(ctx, pctx, pb, 0, ehandle);
+
+ ext2fs_extent_free(ehandle);
+}
+
+/*
* This subroutine is called on each inode to account for all of the
* blocks used by that inode.
*/
ext2_ino_t ino = pctx->ino;
struct ext2_inode *inode = pctx->inode;
int bad_size = 0;
+ int dirty_inode = 0;
+ int extent_fs;
__u64 size;
- if (!ext2fs_inode_has_valid_blocks(pctx->inode))
- return;
-
pb.ino = ino;
- pb.num_blocks = pb.last_block = 0;
+ pb.num_blocks = 0;
+ pb.last_block = -1;
pb.num_illegal_blocks = 0;
pb.suppress = 0; pb.clear = 0;
pb.fragmented = 0;
pb.compressed = 0;
pb.previous_block = 0;
- pb.is_dir = LINUX_S_ISDIR(pctx->inode->i_mode);
+ pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
+ pb.is_reg = LINUX_S_ISREG(inode->i_mode);
+ pb.max_blocks = 1 << (31 - fs->super->s_log_block_size);
pb.inode = inode;
pb.pctx = pctx;
pb.ctx = ctx;
pctx->ino = ino;
+ pctx->errcode = 0;
+
+ extent_fs = (ctx->fs->super->s_feature_incompat &
+ EXT3_FEATURE_INCOMPAT_EXTENTS);
if (inode->i_flags & EXT2_COMPRBLK_FL) {
if (fs->super->s_feature_incompat &
else {
if (fix_problem(ctx, PR_1_COMPR_SET, pctx)) {
inode->i_flags &= ~EXT2_COMPRBLK_FL;
- e2fsck_write_inode(ctx, ino, inode,
- "check_blocks");
+ dirty_inode++;
}
}
}
- pctx->errcode = ext2fs_block_iterate2(fs, ino,
- pb.is_dir ? BLOCK_FLAG_HOLE : 0,
- block_buf, process_block, &pb);
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
- return;
+ if (inode->i_file_acl && check_ext_attr(ctx, pctx, block_buf)) {
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ goto out;
+ pb.num_blocks++;
+ }
+
+ if (ext2fs_inode_has_valid_blocks(inode)) {
+ if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL))
+ check_blocks_extents(ctx, pctx, &pb);
+ else
+ pctx->errcode = ext2fs_block_iterate2(fs, ino,
+ pb.is_dir ? BLOCK_FLAG_HOLE : 0,
+ block_buf, process_block, &pb);
+ }
end_problem_latch(ctx, PR_LATCH_BLOCK);
+ end_problem_latch(ctx, PR_LATCH_TOOBIG);
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ goto out;
if (pctx->errcode)
fix_problem(ctx, PR_1_BLOCK_ITERATE, pctx);
ctx->fs_fragmented++;
if (pb.clear) {
- e2fsck_read_inode(ctx, ino, inode, "check_blocks");
- inode->i_links_count = 0;
- ext2fs_icount_store(ctx->inode_link_info, ino, 0);
- inode->i_dtime = time(0);
- e2fsck_write_inode(ctx, ino, inode, "check_blocks");
- ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino);
- ext2fs_unmark_inode_bitmap(ctx->inode_reg_map, ino);
- ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino);
- /*
- * The inode was probably partially accounted for
- * before processing was aborted, so we need to
- * restart the pass 1 scan.
- */
- ctx->flags |= E2F_FLAG_RESTART;
+ e2fsck_clear_inode(ctx, ino, inode, E2F_FLAG_RESTART,
+ "check_blocks");
return;
}
+
+ if (pb.is_dir) {
+ while (1) {
+ struct ext2_db_entry *entry;
+
+ if (ext2fs_dblist_get_last(fs->dblist, &entry) ||
+ (entry->ino != ino) ||
+ (entry->blk != 0) ||
+ (entry->blockcnt == 0))
+ break;
+ /* printf("Dropping ino %lu blk %lu blockcnt %d\n",
+ entry->ino, entry->blk, entry->blockcnt); */
+ ext2fs_dblist_drop_last(fs->dblist);
+ if (ext2fs_dblist_get_last(fs->dblist, &entry) ||
+ (entry->ino != ino))
+ pb.last_block--;
+ else
+ pb.last_block = entry->blockcnt;
+ }
+ }
- pb.num_blocks *= (fs->blocksize / 512);
-#if 0
- printf("inode %u, i_size = %lu, last_block = %lld, i_blocks=%lu, num_blocks = %lu\n",
- ino, inode->i_size, pb.last_block, inode->i_blocks,
- pb.num_blocks);
+ if (inode->i_flags & EXT2_INDEX_FL) {
+ if (handle_htree(ctx, pctx, ino, inode, block_buf)) {
+ inode->i_flags &= ~EXT2_INDEX_FL;
+ dirty_inode++;
+ } else {
+#ifdef ENABLE_HTREE
+ e2fsck_add_dx_dir(ctx, ino, pb.last_block+1);
#endif
+ }
+ }
+ if (ctx->dirs_to_hash && pb.is_dir &&
+ !(inode->i_flags & EXT2_INDEX_FL) &&
+ ((inode->i_size / fs->blocksize) >= 3))
+ ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
+
if (!pb.num_blocks && pb.is_dir) {
if (fix_problem(ctx, PR_1_ZERO_LENGTH_DIR, pctx)) {
- inode->i_links_count = 0;
- ext2fs_icount_store(ctx->inode_link_info, ino, 0);
- inode->i_dtime = time(0);
- e2fsck_write_inode(ctx, ino, inode, "check_blocks");
- ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino);
- ext2fs_unmark_inode_bitmap(ctx->inode_reg_map, ino);
- ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino);
+ e2fsck_clear_inode(ctx, ino, inode, 0, "check_blocks");
ctx->fs_directory_count--;
- pb.is_dir = 0;
+ return;
}
}
+
+ if (!(fs->super->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ||
+ !(inode->i_flags & EXT4_HUGE_FILE_FL))
+ pb.num_blocks *= (fs->blocksize / 512);
+#if 0
+ printf("inode %u, i_size = %lu, last_block = %lld, i_blocks=%lu, num_blocks = %lu\n",
+ ino, inode->i_size, pb.last_block, inode->i_blocks,
+ pb.num_blocks);
+#endif
if (pb.is_dir) {
int nblock = inode->i_size >> EXT2_BLOCK_SIZE_BITS(fs->super);
- /* We don't let a directory become larger than 2GB */
- if (nblock > (pb.last_block + 1) ||
- (inode->i_size & ((fs->blocksize-1) | 0x80000000UL)) != 0)
+ if (inode->i_size & (fs->blocksize - 1))
+ bad_size = 5;
+ else if (nblock > (pb.last_block + 1))
bad_size = 1;
else if (nblock < (pb.last_block + 1)) {
if (((pb.last_block + 1) - nblock) >
bad_size = 2;
}
} else {
- size = inode->i_size | ((__u64) inode->i_size_high << 32);
- if ((size < pb.last_block * fs->blocksize))
+ e2_blkcnt_t blkpg = ctx->blocks_per_page;
+
+ size = EXT2_I_SIZE(inode);
+ if ((pb.last_block >= 0) &&
+ /* allow allocated blocks to end of PAGE_SIZE */
+ (size < (__u64)pb.last_block * fs->blocksize) &&
+ (pb.last_block / blkpg * blkpg != pb.last_block ||
+ size < (__u64)(pb.last_block & ~(blkpg-1)) *fs->blocksize))
bad_size = 3;
- else if (size > ext2_max_sizes[fs->super->s_log_block_size])
+ else if (!(extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) &&
+ size > ext2_max_sizes[fs->super->s_log_block_size])
+ /* too big for a direct/indirect-mapped file */
bad_size = 4;
- /* FIXME: need to ensure pb.num_blocks < 2^32 */
+ else if ((extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) &&
+ size > (1LL << (32 + fs->super->s_log_block_size) - 1))
+ /* too big for an extent-based file - 32bit ee_block */
+ bad_size = 6;
}
- if (bad_size) {
+ /* i_size for symlinks is checked elsewhere */
+ if (bad_size && !LINUX_S_ISLNK(inode->i_mode)) {
pctx->num = (pb.last_block+1) * fs->blocksize;
if (fix_problem(ctx, PR_1_BAD_I_SIZE, pctx)) {
inode->i_size = pctx->num;
- if (!pb.is_dir)
+ if (!LINUX_S_ISDIR(inode->i_mode))
inode->i_size_high = pctx->num >> 32;
- e2fsck_write_inode(ctx, ino, inode, "check_blocks");
+ dirty_inode++;
}
pctx->num = 0;
}
- if (!pb.is_dir && (inode->i_size_high || inode->i_size & 0x80000000UL))
+ if (LINUX_S_ISREG(inode->i_mode) &&
+ (inode->i_size_high || inode->i_size & 0x80000000UL))
ctx->large_files++;
- if (pb.num_blocks != inode->i_blocks) {
+ if ((pb.num_blocks != inode->i_blocks) ||
+ ((fs->super->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+ (inode->i_flags & EXT4_HUGE_FILE_FL) &&
+ (inode->osd2.linux2.l_i_blocks_hi != 0))) {
pctx->num = pb.num_blocks;
if (fix_problem(ctx, PR_1_BAD_I_BLOCKS, pctx)) {
inode->i_blocks = pb.num_blocks;
- e2fsck_write_inode(ctx, ino, inode, "check_blocks");
+ inode->osd2.linux2.l_i_blocks_hi = 0;
+ dirty_inode++;
}
pctx->num = 0;
}
+out:
+ if (dirty_inode)
+ e2fsck_write_inode(ctx, ino, inode, "check_blocks");
}
#if 0
static int process_block(ext2_filsys fs,
blk_t *block_nr,
e2_blkcnt_t blockcnt,
- blk_t ref_block,
- int ref_offset,
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
struct process_block_struct *p;
perhaps this really is just an illegal block. */
return 0;
}
-
+
if (blk == 0) {
if (p->is_dir == 0) {
/*
printf("Missing block (#%d) in directory inode %lu!\n",
blockcnt, p->ino);
#endif
+ p->last_block = blockcnt;
goto mark_dir;
}
return 0;
p->fragmented = 1;
}
p->previous_block = blk;
-
+
+ if (p->is_dir && blockcnt > (1 << (21 - fs->super->s_log_block_size)))
+ problem = PR_1_TOOBIG_DIR;
+ if (p->is_reg && p->num_blocks+1 >= p->max_blocks)
+ problem = PR_1_TOOBIG_REG;
+ if (!p->is_dir && !p->is_reg && blockcnt > 0)
+ problem = PR_1_TOOBIG_SYMLINK;
+
if (blk < fs->super->s_first_data_block ||
blk >= fs->super->s_blocks_count)
problem = PR_1_ILLEGAL_BLOCK_NUM;
return 0;
}
- mark_block_used(ctx, blk);
+ if (p->ino == EXT2_RESIZE_INO) {
+ /*
+ * The resize inode has already be sanity checked
+ * during pass #0 (the superblock checks). All we
+ * have to do is mark the double indirect block as
+ * being in use; all of the other blocks are handled
+ * by mark_table_blocks()).
+ */
+ if (blockcnt == BLOCK_COUNT_DIND)
+ mark_block_used(ctx, blk);
+ } else
+ mark_block_used(ctx, blk);
p->num_blocks++;
if (blockcnt >= 0)
p->last_block = blockcnt;
return ret_code;
}
-static void bad_block_indirect(e2fsck_t ctx, blk_t blk)
-{
- struct problem_context pctx;
-
- clear_problem_context(&pctx);
- /*
- * Prompt to see if we should continue or not.
- */
- if (!fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK, &pctx))
- ctx->flags |= E2F_FLAG_ABORT;
-}
-
static int process_bad_block(ext2_filsys fs,
blk_t *block_nr,
e2_blkcnt_t blockcnt,
- blk_t ref_block,
- int ref_offset,
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
struct process_block_struct *p;
blk_t blk = *block_nr;
- int first_block;
- int i;
+ blk_t first_block;
+ dgrp_t i;
struct problem_context *pctx;
e2fsck_t ctx;
}
if (blockcnt < 0) {
- if (ext2fs_test_block_bitmap(ctx->block_found_map, blk)) {
- bad_block_indirect(ctx, blk);
+ if (ext2fs_test_block_bitmap(p->fs_meta_blocks, blk)) {
+ p->bbcheck = 1;
+ if (fix_problem(ctx, PR_1_BB_FS_BLOCK, pctx)) {
+ *block_nr = 0;
+ return BLOCK_CHANGED;
+ }
+ } else if (ext2fs_test_block_bitmap(ctx->block_found_map,
+ blk)) {
+ p->bbcheck = 1;
+ if (fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK,
+ pctx)) {
+ *block_nr = 0;
+ return BLOCK_CHANGED;
+ }
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return BLOCK_ABORT;
} else
* is using a bad block.
*/
if ((blk == p->inode->i_block[EXT2_IND_BLOCK]) ||
- p->inode->i_block[EXT2_DIND_BLOCK]) {
- bad_block_indirect(ctx, blk);
+ (blk == p->inode->i_block[EXT2_DIND_BLOCK]) ||
+ (blk == p->inode->i_block[EXT2_TIND_BLOCK])) {
+ p->bbcheck = 1;
+ if (fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK, pctx)) {
+ *block_nr = 0;
+ return BLOCK_CHANGED;
+ }
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return BLOCK_ABORT;
return 0;
{
ext2_filsys fs = ctx->fs;
blk_t old_block = *new_block;
+ blk_t last_block;
int i;
char *buf;
struct problem_context pctx;
pctx.blk = old_block;
pctx.str = name;
- pctx.errcode = ext2fs_get_free_blocks(fs, first_block,
- first_block + fs->super->s_blocks_per_group,
+ last_block = ext2fs_group_last_block(fs, group);
+ pctx.errcode = ext2fs_get_free_blocks(fs, first_block, last_block,
num, ctx->block_found_map, new_block);
if (pctx.errcode) {
pctx.num = num;
ext2fs_unmark_valid(fs);
return;
}
- pctx.errcode = ext2fs_get_mem(fs->blocksize, (void **) &buf);
+ pctx.errcode = ext2fs_get_mem(fs->blocksize, &buf);
if (pctx.errcode) {
fix_problem(ctx, PR_1_RELOC_MEMORY_ALLOCATE, &pctx);
ext2fs_unmark_valid(fs);
return;
}
ext2fs_mark_super_dirty(fs);
+ fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
pctx.blk2 = *new_block;
fix_problem(ctx, (old_block ? PR_1_RELOC_FROM_TO :
PR_1_RELOC_TO), &pctx);
if (pctx.errcode)
fix_problem(ctx, PR_1_RELOC_WRITE_ERR, &pctx);
}
- ext2fs_free_mem((void **) &buf);
+ ext2fs_free_mem(&buf);
}
/*
static void handle_fs_bad_blocks(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
- int i;
- int first_block = fs->super->s_first_data_block;
+ dgrp_t i;
+ blk_t first_block;
for (i = 0; i < fs->group_desc_count; i++) {
+ first_block = ext2fs_group_first_block(fs, i);
+
if (ctx->invalid_block_bitmap_flag[i]) {
new_table_block(ctx, first_block, i, _("block bitmap"),
1, &fs->group_desc[i].bg_block_bitmap);
&fs->group_desc[i].bg_inode_table);
ctx->flags |= E2F_FLAG_RESTART;
}
- first_block += fs->super->s_blocks_per_group;
}
ctx->invalid_bitmaps = 0;
}
static void mark_table_blocks(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
- blk_t block, b;
- int i,j;
+ blk_t b;
+ dgrp_t i;
+ int j;
struct problem_context pctx;
clear_problem_context(&pctx);
- block = fs->super->s_first_data_block;
for (i = 0; i < fs->group_desc_count; i++) {
pctx.group = i;
- if (ext2fs_bg_has_super(fs, i)) {
- /*
- * Mark this group's copy of the superblock
- */
- ext2fs_mark_block_bitmap(ctx->block_found_map, block);
-
- /*
- * Mark this group's copy of the descriptors
- */
- for (j = 0; j < fs->desc_blocks; j++) {
- ext2fs_mark_block_bitmap(ctx->block_found_map,
- block + j + 1);
- }
- }
-
+ ext2fs_reserve_super_and_bgd(fs, i, ctx->block_found_map);
+
/*
* Mark the blocks used for the inode table
*/
fs->group_desc[i].bg_inode_bitmap);
}
}
- block += fs->super->s_blocks_per_group;
}
}
e2fsck_t ctx = (e2fsck_t) fs->priv_data;
int i;
- if (ino != ctx->stashed_ino)
+ if ((ino != ctx->stashed_ino) || !ctx->stashed_inode)
return EXT2_ET_CALLBACK_NOTHANDLED;
for (i=0; i < EXT2_N_BLOCKS; i++)
{
e2fsck_t ctx = (e2fsck_t) fs->priv_data;
- if (ino != ctx->stashed_ino)
+ if ((ino != ctx->stashed_ino) || !ctx->stashed_inode)
return EXT2_ET_CALLBACK_NOTHANDLED;
*inode = *ctx->stashed_inode;
return 0;
{
e2fsck_t ctx = (e2fsck_t) fs->priv_data;
- if (ino == ctx->stashed_ino)
+ if ((ino == ctx->stashed_ino) && ctx->stashed_inode &&
+ (inode != ctx->stashed_inode))
*ctx->stashed_inode = *inode;
return EXT2_ET_CALLBACK_NOTHANDLED;
}
{
e2fsck_t ctx = (e2fsck_t) fs->priv_data;
- if (ino != ctx->stashed_ino)
+ if ((ino != ctx->stashed_ino) || !ctx->stashed_inode)
return EXT2_ET_CALLBACK_NOTHANDLED;
if (!LINUX_S_ISDIR(ctx->stashed_inode->i_mode))
return 0;
}
+static errcode_t e2fsck_get_alloc_block(ext2_filsys fs, blk64_t goal,
+ blk64_t *ret)
+{
+ e2fsck_t ctx = (e2fsck_t) fs->priv_data;
+ errcode_t retval;
+ blk_t new_block;
+
+ if (ctx->block_found_map) {
+ retval = ext2fs_new_block(fs, (blk_t) goal,
+ ctx->block_found_map, &new_block);
+ if (retval)
+ return retval;
+ } else {
+ if (!fs->block_map) {
+ retval = ext2fs_read_block_bitmap(fs);
+ if (retval)
+ return retval;
+ }
+
+ retval = ext2fs_new_block(fs, (blk_t) goal, 0, &new_block);
+ if (retval)
+ return retval;
+ }
+
+ *ret = new_block;
+ return (0);
+}
+
+static void e2fsck_block_alloc_stats(ext2_filsys fs, blk64_t blk, int inuse)
+{
+ e2fsck_t ctx = (e2fsck_t) fs->priv_data;
+
+ if (ctx->block_found_map) {
+ if (inuse > 0)
+ ext2fs_mark_block_bitmap(ctx->block_found_map,
+ (blk_t) blk);
+ else
+ ext2fs_unmark_block_bitmap(ctx->block_found_map,
+ (blk_t) blk);
+ }
+}
+
void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool)
{
ext2_filsys fs = ctx->fs;
fs->read_inode = pass1_read_inode;
fs->write_inode = pass1_write_inode;
ctx->stashed_ino = 0;
+ ext2fs_set_alloc_block_callback(fs, e2fsck_get_alloc_block,
+ 0);
+ ext2fs_set_block_alloc_stats_callback(fs,
+ e2fsck_block_alloc_stats,
+ 0);
} else {
fs->get_blocks = 0;
fs->check_directory = 0;
fs->write_inode = 0;
}
}
-
-
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff