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 add_encrypted_dir(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);
struct process_block_struct {
ext2_ino_t ino;
unsigned is_dir:1, is_reg:1, clear:1, suppress:1,
- fragmented:1, compressed:1, bbcheck:1;
+ fragmented:1, compressed:1, bbcheck:1,
+ inode_modified:1;
blk64_t num_blocks;
blk64_t max_blocks;
e2_blkcnt_t last_block;
struct problem_context *pctx;
ext2fs_block_bitmap fs_meta_blocks;
e2fsck_t ctx;
+ region_t region;
};
struct process_inode_block {
ext2_extent_handle_t handle;
struct ext2_extent_info info;
struct ext2fs_extent extent;
+ int encrypted = 0;
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_flags & EXT4_INLINE_DATA_FL)
+ return 0;
if (inode->i_size > fs->blocksize)
return 0;
if (ext2fs_extent_open2(fs, ino, inode, &handle))
return i;
}
+ if (inode->i_flags & EXT4_INLINE_DATA_FL) {
+ size_t inline_size;
+
+ if (ext2fs_inline_data_size(fs, ino, &inline_size))
+ return 0;
+ if (inode->i_size != inline_size)
+ return 0;
+
+ return 1;
+ }
+
blocks = ext2fs_inode_data_blocks2(fs, inode);
if (blocks) {
+ if (inode->i_flags & EXT4_INLINE_DATA_FL)
+ return 0;
if ((inode->i_size >= fs->blocksize) ||
(blocks != fs->blocksize >> 9) ||
(inode->i_block[0] < fs->super->s_first_data_block) ||
if (io_channel_read_blk64(fs->io, inode->i_block[0], 1, buf))
return 0;
- len = strnlen(buf, fs->blocksize);
+ if (inode->i_flags & EXT4_ENCRYPT_FL) {
+ len = ext2fs_le32_to_cpu(*((__u32 *)buf)) + 4;
+ } else {
+ len = strnlen(buf, fs->blocksize);
+ }
if (len == fs->blocksize)
return 0;
+ } else if (inode->i_flags & EXT4_INLINE_DATA_FL) {
+ char *inline_buf = NULL;
+ size_t inline_sz = 0;
+
+ if (ext2fs_inline_data_size(fs, ino, &inline_sz))
+ return 0;
+ if (inode->i_size != inline_sz)
+ return 0;
+ if (ext2fs_get_mem(inline_sz + 1, &inline_buf))
+ return 0;
+ i = 0;
+ if (ext2fs_inline_data_get(fs, ino, inode, inline_buf, NULL))
+ goto exit_inline;
+ inline_buf[inline_sz] = 0;
+ len = strnlen(inline_buf, inline_sz);
+ if (len != inline_sz)
+ goto exit_inline;
+ i = 1;
+exit_inline:
+ ext2fs_free_mem(&inline_buf);
+ return i;
} else {
if (inode->i_size >= sizeof(inode->i_block))
return 0;
return 0;
}
if (len != inode->i_size)
- return 0;
+ if ((inode->i_flags & EXT4_ENCRYPT_FL) == 0)
+ return 0;
return 1;
}
/*
+ * If the extents or inlinedata flags are set on the inode, offer to clear 'em.
+ */
+#define BAD_SPECIAL_FLAGS (EXT4_EXTENTS_FL | EXT4_INLINE_DATA_FL)
+static void check_extents_inlinedata(e2fsck_t ctx,
+ struct problem_context *pctx)
+{
+ if (!(pctx->inode->i_flags & BAD_SPECIAL_FLAGS))
+ return;
+
+ if (!fix_problem(ctx, PR_1_SPECIAL_EXTENTS_IDATA, pctx))
+ return;
+
+ pctx->inode->i_flags &= ~BAD_SPECIAL_FLAGS;
+ e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
+}
+#undef BAD_SPECIAL_FLAGS
+
+/*
* If the immutable (or append-only) flag is set on the inode, offer
* to clear it.
*/
if (!fix_problem(ctx, PR_1_SET_NONZSIZE, pctx))
return;
- inode->i_size = 0;
- inode->i_size_high = 0;
+ ext2fs_inode_size_set(ctx->fs, inode, 0);
e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
}
struct ext2_super_block *sb = ctx->fs->super;
struct ext2_inode_large *inode;
struct ext2_ext_attr_entry *entry;
- char *start;
+ char *start, *header;
unsigned int storage_size, remain;
- int problem = 0;
+ problem_t problem = 0;
+ region_t region = 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);
+ header = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
+ inode->i_extra_isize;
+ start = header + sizeof(__u32);
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)) {
+ region = region_create(0, storage_size);
+ if (!region) {
+ fix_problem(ctx, PR_1_EA_ALLOC_REGION_ABORT, pctx);
+ problem = 0;
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ if (region_allocate(region, 0, sizeof(__u32))) {
+ problem = PR_1_INODE_EA_ALLOC_COLLISION;
+ goto fix;
+ }
+
+ while (remain >= sizeof(struct ext2_ext_attr_entry) &&
+ !EXT2_EXT_IS_LAST_ENTRY(entry)) {
__u32 hash;
+ if (region_allocate(region, (char *)entry - (char *)header,
+ EXT2_EXT_ATTR_LEN(entry->e_name_len))) {
+ problem = PR_1_INODE_EA_ALLOC_COLLISION;
+ goto fix;
+ }
+
/* header eats this space */
remain -= sizeof(struct ext2_ext_attr_entry);
goto fix;
}
+ if (entry->e_value_size &&
+ region_allocate(region, sizeof(__u32) + entry->e_value_offs,
+ EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
+ problem = PR_1_INODE_EA_ALLOC_COLLISION;
+ goto fix;
+ }
+
hash = ext2fs_ext_attr_hash_entry(entry,
start + entry->e_value_offs);
entry = EXT2_EXT_ATTR_NEXT(entry);
}
+
+ if (region_allocate(region, (char *)entry - (char *)header,
+ sizeof(__u32))) {
+ problem = PR_1_INODE_EA_ALLOC_COLLISION;
+ goto fix;
+ }
fix:
+ if (region)
+ region_free(region);
/*
* it seems like a corruption. it's very unlikely we could repair
* EA(s) in automatic fashion -bzzz
return;
/* simply remove all possible EA(s) */
- *((__u32 *)start) = 0UL;
+ *((__u32 *)header) = 0UL;
e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
EXT2_INODE_SIZE(sb), "pass1");
}
blk64_t blk;
unsigned int i, rec_len, not_device = 0;
int extent_fs;
+ int inlinedata_fs;
/*
* If the mode looks OK, we believe it. If the first block in
* For extent mapped files, we don't do any sanity checking:
* just try to get the phys block of logical block 0 and run
* with it.
+ *
+ * For inline data files, we just try to get the size of inline
+ * data. If it's true, we will treat it as a directory.
*/
extent_fs = (ctx->fs->super->s_feature_incompat &
EXT3_FEATURE_INCOMPAT_EXTENTS);
- if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) {
+ inlinedata_fs = (ctx->fs->super->s_feature_incompat &
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA);
+ if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL)) {
+ size_t size;
+ __u32 dotdot;
+ unsigned int rec_len;
+ struct ext2_dir_entry de;
+
+ if (ext2fs_inline_data_size(ctx->fs, pctx->ino, &size))
+ return;
+ /*
+ * If the size isn't a multiple of 4, it's probably not a
+ * directory??
+ */
+ if (size & 3)
+ return;
+ /*
+ * If the first 10 bytes don't look like a directory entry,
+ * it's probably not a directory.
+ */
+ memcpy(&dotdot, inode->i_block, sizeof(dotdot));
+ memcpy(&de, ((char *)inode->i_block) + EXT4_INLINE_DATA_DOTDOT_SIZE,
+ EXT2_DIR_REC_LEN(0));
+ dotdot = ext2fs_le32_to_cpu(dotdot);
+ de.inode = ext2fs_le32_to_cpu(de.inode);
+ de.rec_len = ext2fs_le16_to_cpu(de.rec_len);
+ ext2fs_get_rec_len(ctx->fs, &de, &rec_len);
+ if (dotdot >= ctx->fs->super->s_inodes_count ||
+ (dotdot < EXT2_FIRST_INO(ctx->fs->super) &&
+ dotdot != EXT2_ROOT_INO) ||
+ de.inode >= ctx->fs->super->s_inodes_count ||
+ (de.inode < EXT2_FIRST_INO(ctx->fs->super) &&
+ de.inode != 0) ||
+ rec_len > EXT4_MIN_INLINE_DATA_SIZE -
+ EXT4_INLINE_DATA_DOTDOT_SIZE)
+ return;
+ /* device files never have a "system.data" entry */
+ goto isdir;
+ } else if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) {
/* extent mapped */
if (ext2fs_bmap2(ctx->fs, pctx->ino, inode, 0, 0, 0, 0,
&blk))
/* read the first block */
ehandler_operation(_("reading directory block"));
- retval = ext2fs_read_dir_block3(ctx->fs, blk, buf, 0);
+ retval = ext2fs_read_dir_block4(ctx->fs, blk, buf, 0, pctx->ino);
ehandler_operation(0);
if (retval)
return;
retval = ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
if (retval)
return;
- if (((dirent->name_len & 0xFF) != 1) ||
+ if ((ext2fs_dirent_name_len(dirent) != 1) ||
(dirent->name[0] != '.') ||
(dirent->inode != pctx->ino) ||
(rec_len < 12) ||
retval = ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
if (retval)
return;
- if (((dirent->name_len & 0xFF) != 2) ||
+ if ((ext2fs_dirent_name_len(dirent) != 2) ||
(dirent->name[0] != '.') ||
(dirent->name[1] != '.') ||
(rec_len < 12) ||
(rec_len % 4))
return;
+isdir:
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,
}
}
-extern void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
- ext2_icount_t *ret)
+void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
+ ext2_icount_t *ret)
{
unsigned int threshold;
ext2_ino_t num_dirs;
*ret = 0;
}
+static errcode_t recheck_bad_inode_checksum(ext2_filsys fs, ext2_ino_t ino,
+ e2fsck_t ctx,
+ struct problem_context *pctx)
+{
+ errcode_t retval;
+ struct ext2_inode_large inode;
+
+ /*
+ * Reread inode. If we don't see checksum error, then this inode
+ * has been fixed elsewhere.
+ */
+ ctx->stashed_ino = 0;
+ retval = ext2fs_read_inode_full(fs, ino, (struct ext2_inode *)&inode,
+ sizeof(inode));
+ if (retval && retval != EXT2_ET_INODE_CSUM_INVALID)
+ return retval;
+ if (!retval)
+ return 0;
+
+ /*
+ * Checksum still doesn't match. That implies that the inode passes
+ * all the sanity checks, so maybe the checksum is simply corrupt.
+ * See if the user will go for fixing that.
+ */
+ if (!fix_problem(ctx, PR_1_INODE_ONLY_CSUM_INVALID, pctx))
+ return 0;
+
+ retval = ext2fs_write_inode_full(fs, ino, (struct ext2_inode *)&inode,
+ sizeof(inode));
+ return retval;
+}
+
+static void reserve_block_for_root_repair(e2fsck_t ctx)
+{
+ blk64_t blk = 0;
+ errcode_t err;
+ ext2_filsys fs = ctx->fs;
+
+ ctx->root_repair_block = 0;
+ if (ext2fs_test_inode_bitmap2(ctx->inode_used_map, EXT2_ROOT_INO))
+ return;
+
+ err = ext2fs_new_block2(fs, 0, ctx->block_found_map, &blk);
+ if (err)
+ return;
+ ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
+ ctx->root_repair_block = blk;
+}
+
+static void reserve_block_for_lnf_repair(e2fsck_t ctx)
+{
+ blk64_t blk = 0;
+ errcode_t err;
+ ext2_filsys fs = ctx->fs;
+ static const char name[] = "lost+found";
+ ext2_ino_t ino;
+
+ ctx->lnf_repair_block = 0;
+ if (!ext2fs_lookup(fs, EXT2_ROOT_INO, name, sizeof(name)-1, 0, &ino))
+ return;
+
+ err = ext2fs_new_block2(fs, 0, ctx->block_found_map, &blk);
+ if (err)
+ return;
+ ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
+ ctx->lnf_repair_block = blk;
+}
+
+static errcode_t get_inline_data_ea_size(ext2_filsys fs, ext2_ino_t ino,
+ size_t *sz)
+{
+ void *p;
+ struct ext2_xattr_handle *handle;
+ errcode_t retval;
+
+ retval = ext2fs_xattrs_open(fs, ino, &handle);
+ if (retval)
+ return retval;
+
+ retval = ext2fs_xattrs_read(handle);
+ if (retval)
+ goto err;
+
+ retval = ext2fs_xattr_get(handle, "system.data", &p, sz);
+ if (retval)
+ goto err;
+ ext2fs_free_mem(&p);
+err:
+ (void) ext2fs_xattrs_close(&handle);
+ return retval;
+}
+
+static void finish_processing_inode(e2fsck_t ctx, ext2_ino_t ino,
+ struct problem_context *pctx,
+ int failed_csum)
+{
+ if (!failed_csum)
+ return;
+
+ /*
+ * If the inode failed the checksum and the user didn't
+ * clear the inode, test the checksum again -- if it still
+ * fails, ask the user if the checksum should be corrected.
+ */
+ pctx->errcode = recheck_bad_inode_checksum(ctx->fs, ino, ctx, pctx);
+ if (pctx->errcode)
+ ctx->flags |= E2F_FLAG_ABORT;
+}
+#define FINISH_INODE_LOOP(ctx, ino, pctx, failed_csum) \
+ do { \
+ finish_processing_inode((ctx), (ino), (pctx), (failed_csum)); \
+ if ((ctx)->flags & E2F_FLAG_ABORT) \
+ return; \
+ } while (0)
+
+static int could_be_block_map(ext2_filsys fs, struct ext2_inode *inode)
+{
+ __u32 x;
+ int i;
+
+ for (i = 0; i < EXT2_N_BLOCKS; i++) {
+ x = inode->i_block[i];
+#ifdef WORDS_BIGENDIAN
+ x = ext2fs_swab32(x);
+#endif
+ if (x >= ext2fs_blocks_count(fs->super))
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+ * Figure out what to do with an inode that has both extents and inline data
+ * inode flags set. Returns -1 if we decide to erase the inode, 0 otherwise.
+ */
+static int fix_inline_data_extents_file(e2fsck_t ctx,
+ ext2_ino_t ino,
+ struct ext2_inode *inode,
+ int inode_size,
+ struct problem_context *pctx)
+{
+ size_t max_inline_ea_size;
+ ext2_filsys fs = ctx->fs;
+ int dirty = 0;
+
+ /* Both feature flags not set? Just run the regular checks */
+ if (!EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT3_FEATURE_INCOMPAT_EXTENTS) &&
+ !EXT2_HAS_INCOMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA))
+ return 0;
+
+ /* Clear both flags if it's a special file */
+ if (LINUX_S_ISCHR(inode->i_mode) ||
+ LINUX_S_ISBLK(inode->i_mode) ||
+ LINUX_S_ISFIFO(inode->i_mode) ||
+ LINUX_S_ISSOCK(inode->i_mode)) {
+ check_extents_inlinedata(ctx, pctx);
+ return 0;
+ }
+
+ /* If it looks like an extent tree, try to clear inlinedata */
+ if (ext2fs_extent_header_verify(inode->i_block,
+ sizeof(inode->i_block)) == 0 &&
+ fix_problem(ctx, PR_1_CLEAR_INLINE_DATA_FOR_EXTENT, pctx)) {
+ inode->i_flags &= ~EXT4_INLINE_DATA_FL;
+ dirty = 1;
+ goto out;
+ }
+
+ /* If it looks short enough to be inline data, try to clear extents */
+ if (EXT2_INODE_SIZE(fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
+ max_inline_ea_size = EXT2_INODE_SIZE(fs->super) -
+ (EXT2_GOOD_OLD_INODE_SIZE +
+ ((struct ext2_inode_large *)inode)->i_extra_isize);
+ else
+ max_inline_ea_size = 0;
+ if (EXT2_I_SIZE(inode) <
+ EXT4_MIN_INLINE_DATA_SIZE + max_inline_ea_size &&
+ fix_problem(ctx, PR_1_CLEAR_EXTENT_FOR_INLINE_DATA, pctx)) {
+ inode->i_flags &= ~EXT4_EXTENTS_FL;
+ dirty = 1;
+ goto out;
+ }
+
+ /*
+ * Too big for inline data, but no evidence of extent tree -
+ * maybe it's a block map file? If the mappings all look valid?
+ */
+ if (could_be_block_map(fs, inode) &&
+ fix_problem(ctx, PR_1_CLEAR_EXTENT_INLINE_DATA_FLAGS, pctx)) {
+#ifdef WORDS_BIGENDIAN
+ int i;
+
+ for (i = 0; i < EXT2_N_BLOCKS; i++)
+ inode->i_block[i] = ext2fs_swab32(inode->i_block[i]);
+#endif
+
+ inode->i_flags &= ~(EXT4_EXTENTS_FL | EXT4_INLINE_DATA_FL);
+ dirty = 1;
+ goto out;
+ }
+
+ /* Oh well, just clear the busted inode. */
+ if (fix_problem(ctx, PR_1_CLEAR_EXTENT_INLINE_DATA_INODE, pctx)) {
+ e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
+ return -1;
+ }
+
+out:
+ if (dirty)
+ e2fsck_write_inode(ctx, ino, inode, "pass1");
+
+ return 0;
+}
+
+static void pass1_readahead(e2fsck_t ctx, dgrp_t *group, ext2_ino_t *next_ino)
+{
+ ext2_ino_t inodes_in_group = 0, inodes_per_block, inodes_per_buffer;
+ dgrp_t start = *group, grp;
+ blk64_t blocks_to_read = 0;
+ errcode_t err = EXT2_ET_INVALID_ARGUMENT;
+
+ if (ctx->readahead_kb == 0)
+ goto out;
+
+ /* Keep iterating groups until we have enough to readahead */
+ inodes_per_block = EXT2_INODES_PER_BLOCK(ctx->fs->super);
+ for (grp = start; grp < ctx->fs->group_desc_count; grp++) {
+ if (ext2fs_bg_flags_test(ctx->fs, grp, EXT2_BG_INODE_UNINIT))
+ continue;
+ inodes_in_group = ctx->fs->super->s_inodes_per_group -
+ ext2fs_bg_itable_unused(ctx->fs, grp);
+ blocks_to_read += (inodes_in_group + inodes_per_block - 1) /
+ inodes_per_block;
+ if (blocks_to_read * ctx->fs->blocksize >
+ ctx->readahead_kb * 1024)
+ break;
+ }
+
+ err = e2fsck_readahead(ctx->fs, E2FSCK_READA_ITABLE, start,
+ grp - start + 1);
+ if (err == EAGAIN) {
+ ctx->readahead_kb /= 2;
+ err = 0;
+ }
+
+out:
+ if (err) {
+ /* Error; disable itable readahead */
+ *group = ctx->fs->group_desc_count;
+ *next_ino = ctx->fs->super->s_inodes_count;
+ } else {
+ /*
+ * Don't do more readahead until we've reached the first inode
+ * of the last inode scan buffer block for the last group.
+ */
+ *group = grp + 1;
+ inodes_per_buffer = (ctx->inode_buffer_blocks ?
+ ctx->inode_buffer_blocks :
+ EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS) *
+ ctx->fs->blocksize /
+ EXT2_INODE_SIZE(ctx->fs->super);
+ inodes_in_group--;
+ *next_ino = inodes_in_group -
+ (inodes_in_group % inodes_per_buffer) + 1 +
+ (grp * ctx->fs->super->s_inodes_per_group);
+ }
+}
+
void e2fsck_pass1(e2fsck_t ctx)
{
int i;
__u64 max_sizes;
ext2_filsys fs = ctx->fs;
ext2_ino_t ino = 0;
- struct ext2_inode *inode;
- ext2_inode_scan scan;
- char *block_buf;
+ struct ext2_inode *inode = NULL;
+ ext2_inode_scan scan = NULL;
+ char *block_buf = NULL;
#ifdef RESOURCE_TRACK
struct resource_track rtrack;
#endif
struct ext2_super_block *sb = ctx->fs->super;
const char *old_op;
unsigned int save_type;
- int imagic_fs, extent_fs;
- int busted_fs_time = 0;
+ int imagic_fs, extent_fs, inlinedata_fs;
+ int low_dtime_check = 1;
int inode_size;
+ int failed_csum = 0;
+ ext2_ino_t ino_threshold = 0;
+ dgrp_t ra_group = 0;
init_resource_track(&rtrack, ctx->fs->io);
clear_problem_context(&pctx);
+ /* If we can do readahead, figure out how many groups to pull in. */
+ if (!e2fsck_can_readahead(ctx->fs))
+ ctx->readahead_kb = 0;
+ else if (ctx->readahead_kb == ~0ULL)
+ ctx->readahead_kb = e2fsck_guess_readahead(ctx->fs);
+ pass1_readahead(ctx, &ra_group, &ino_threshold);
+
if (!(ctx->options & E2F_OPT_PREEN))
fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
imagic_fs = (sb->s_feature_compat & EXT2_FEATURE_COMPAT_IMAGIC_INODES);
extent_fs = (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_EXTENTS);
+ inlinedata_fs = (sb->s_feature_incompat &
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA);
/*
* Allocate bitmaps structures
ctx->flags |= E2F_FLAG_ABORT;
return;
}
+ pctx.errcode = e2fsck_allocate_block_bitmap(fs,
+ _("metadata block map"), EXT2FS_BMAP64_RBTREE,
+ "block_metadata_map", &ctx->block_metadata_map);
+ if (pctx.errcode) {
+ pctx.num = 1;
+ fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
e2fsck_setup_tdb_icount(ctx, 0, &ctx->inode_link_info);
if (!ctx->inode_link_info) {
e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE,
if (pctx.errcode) {
fix_problem(ctx, PR_1_ALLOCATE_DBCOUNT, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- ext2fs_free_mem(&inode);
- return;
+ goto endit;
}
/*
if (pctx.errcode) {
fix_problem(ctx, PR_1_CONVERT_SUBCLUSTER, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- ext2fs_free_mem(&inode);
- return;
+ goto endit;
}
block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 3,
"block interate buffer");
- e2fsck_use_inode_shortcuts(ctx, 1);
+ if (EXT2_INODE_SIZE(fs->super) == EXT2_GOOD_OLD_INODE_SIZE)
+ e2fsck_use_inode_shortcuts(ctx, 1);
+ e2fsck_intercept_block_allocations(ctx);
old_op = ehandler_operation(_("opening inode scan"));
pctx.errcode = ext2fs_open_inode_scan(fs, ctx->inode_buffer_blocks,
&scan);
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;
+ goto endit;
}
- ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE, 0);
+ ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE |
+ EXT2_SF_WARN_GARBAGE_INODES, 0);
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;
+ if (ctx->progress && ((ctx->progress)(ctx, 1, 0,
+ ctx->fs->group_desc_count)))
+ goto endit;
if ((fs->super->s_wtime < fs->super->s_inodes_count) ||
- (fs->super->s_mtime < fs->super->s_inodes_count))
- busted_fs_time = 1;
+ (fs->super->s_mtime < fs->super->s_inodes_count) ||
+ (fs->super->s_mkfs_time &&
+ fs->super->s_mkfs_time < fs->super->s_inodes_count))
+ low_dtime_check = 0;
if ((fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_MMP) &&
- !(fs->super->s_mmp_block <= fs->super->s_first_data_block ||
- fs->super->s_mmp_block >= fs->super->s_blocks_count))
+ fs->super->s_mmp_block > fs->super->s_first_data_block &&
+ fs->super->s_mmp_block < ext2fs_blocks_count(fs->super))
ext2fs_mark_block_bitmap2(ctx->block_found_map,
fs->super->s_mmp_block);
+ /* Set up ctx->lost_and_found if possible */
+ (void) e2fsck_get_lost_and_found(ctx, 0);
+
while (1) {
if (ino % (fs->super->s_inodes_per_group * 4) == 1) {
if (e2fsck_mmp_update(fs))
old_op = ehandler_operation(_("getting next inode from scan"));
pctx.errcode = ext2fs_get_next_inode_full(scan, &ino,
inode, inode_size);
+ if (ino > ino_threshold)
+ pass1_readahead(ctx, &ra_group, &ino_threshold);
ehandler_operation(old_op);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
+ /*
+ * If badblocks says badblocks is bad, offer to clear
+ * the list, update the in-core bb list, and restart
+ * the inode scan.
+ */
+ if (ino == EXT2_BAD_INO &&
+ fix_problem(ctx, PR_1_BADBLOCKS_IN_BADBLOCKS,
+ &pctx)) {
+ errcode_t err;
+
+ e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
+ ext2fs_badblocks_list_free(ctx->fs->badblocks);
+ ctx->fs->badblocks = NULL;
+ err = ext2fs_read_bb_inode(ctx->fs,
+ &ctx->fs->badblocks);
+ if (err) {
+ fix_problem(ctx, PR_1_ISCAN_ERROR,
+ &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ goto endit;
+ }
+ err = ext2fs_inode_scan_goto_blockgroup(scan,
+ 0);
+ if (err) {
+ fix_problem(ctx, PR_1_ISCAN_ERROR,
+ &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ goto endit;
+ }
+ continue;
+ }
if (!ctx->inode_bb_map)
alloc_bb_map(ctx);
ext2fs_mark_inode_bitmap2(ctx->inode_bb_map, ino);
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
continue;
}
- if (pctx.errcode) {
+ if (pctx.errcode &&
+ pctx.errcode != EXT2_ET_INODE_CSUM_INVALID &&
+ pctx.errcode != EXT2_ET_INODE_IS_GARBAGE) {
fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto endit;
}
if (!ino)
break;
pctx.ino = ino;
pctx.inode = inode;
ctx->stashed_ino = ino;
+
+ /* Clear trashed inode? */
+ if (pctx.errcode == EXT2_ET_INODE_IS_GARBAGE &&
+ inode->i_links_count > 0 &&
+ fix_problem(ctx, PR_1_INODE_IS_GARBAGE, &pctx)) {
+ pctx.errcode = 0;
+ e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
+ }
+ failed_csum = pctx.errcode != 0;
+
if (inode->i_links_count) {
pctx.errcode = ext2fs_icount_store(ctx->inode_link_info,
ino, inode->i_links_count);
pctx.num = inode->i_links_count;
fix_problem(ctx, PR_1_ICOUNT_STORE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto endit;
+ }
+ }
+
+ /* Conflicting inlinedata/extents inode flags? */
+ if ((inode->i_flags & EXT4_INLINE_DATA_FL) &&
+ (inode->i_flags & EXT4_EXTENTS_FL)) {
+ int res = fix_inline_data_extents_file(ctx, ino, inode,
+ inode_size,
+ &pctx);
+ if (res < 0) {
+ /* skip FINISH_INODE_LOOP */
+ continue;
+ }
+ }
+
+ /* Test for incorrect inline_data flags settings. */
+ if ((inode->i_flags & EXT4_INLINE_DATA_FL) && !inlinedata_fs &&
+ (ino >= EXT2_FIRST_INODE(fs->super))) {
+ size_t size = 0;
+
+ pctx.errcode = ext2fs_inline_data_size(fs, ino, &size);
+ if (!pctx.errcode && size &&
+ fix_problem(ctx, PR_1_INLINE_DATA_FEATURE, &pctx)) {
+ sb->s_feature_incompat |=
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA;
+ ext2fs_mark_super_dirty(fs);
+ inlinedata_fs = 1;
+ } else if (fix_problem(ctx, PR_1_INLINE_DATA_SET, &pctx)) {
+ e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
+ /* skip FINISH_INODE_LOOP */
+ continue;
+ }
+ }
+
+ /* Test for inline data flag but no attr */
+ if ((inode->i_flags & EXT4_INLINE_DATA_FL) && inlinedata_fs &&
+ EXT2_I_SIZE(inode) > EXT4_MIN_INLINE_DATA_SIZE &&
+ (ino >= EXT2_FIRST_INODE(fs->super))) {
+ size_t size = 0;
+ errcode_t err;
+ int flags;
+
+ flags = fs->flags;
+ if (failed_csum)
+ fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ err = get_inline_data_ea_size(fs, ino, &size);
+ fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
+ (fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
+
+ switch (err) {
+ case 0:
+ /* Everything is awesome... */
+ break;
+ case EXT2_ET_BAD_EA_BLOCK_NUM:
+ case EXT2_ET_BAD_EA_HASH:
+ case EXT2_ET_BAD_EA_HEADER:
+ case EXT2_ET_EA_BAD_NAME_LEN:
+ case EXT2_ET_EA_BAD_VALUE_SIZE:
+ case EXT2_ET_EA_KEY_NOT_FOUND:
+ case EXT2_ET_EA_NO_SPACE:
+ case EXT2_ET_MISSING_EA_FEATURE:
+ case EXT2_ET_INLINE_DATA_CANT_ITERATE:
+ case EXT2_ET_INLINE_DATA_NO_BLOCK:
+ case EXT2_ET_INLINE_DATA_NO_SPACE:
+ case EXT2_ET_NO_INLINE_DATA:
+ case EXT2_ET_EXT_ATTR_CSUM_INVALID:
+ case EXT2_ET_EA_BAD_VALUE_OFFSET:
+ /* broken EA or no system.data EA; truncate */
+ if (fix_problem(ctx, PR_1_INLINE_DATA_NO_ATTR,
+ &pctx)) {
+ err = ext2fs_inode_size_set(fs, inode,
+ sizeof(inode->i_block));
+ if (err) {
+ pctx.errcode = err;
+ ctx->flags |= E2F_FLAG_ABORT;
+ goto endit;
+ }
+ if (LINUX_S_ISLNK(inode->i_mode))
+ inode->i_flags &= ~EXT4_INLINE_DATA_FL;
+ e2fsck_write_inode(ctx, ino, inode,
+ "pass1");
+ failed_csum = 0;
+ }
+ break;
+ default:
+ /* Some other kind of non-xattr error? */
+ pctx.errcode = err;
+ ctx->flags |= E2F_FLAG_ABORT;
+ goto endit;
}
}
if (ino == EXT2_BAD_INO)
ext2fs_mark_inode_bitmap2(ctx->inode_used_map,
ino);
+ /* skip FINISH_INODE_LOOP */
continue;
}
}
sizeof(inode->i_block));
#endif
e2fsck_write_inode(ctx, ino, inode, "pass1");
+ failed_csum = 0;
}
}
if (ino == EXT2_BAD_INO) {
struct process_block_struct pb;
- if ((inode->i_mode || inode->i_uid || inode->i_gid ||
- inode->i_links_count || inode->i_file_acl) &&
+ if ((failed_csum || inode->i_mode || inode->i_uid ||
+ inode->i_gid || inode->i_links_count ||
+ (inode->i_flags & EXT4_INLINE_DATA_FL) ||
+ inode->i_file_acl) &&
fix_problem(ctx, PR_1_INVALID_BAD_INODE, &pctx)) {
memset(inode, 0, sizeof(struct ext2_inode));
e2fsck_write_inode(ctx, ino, inode,
"clear bad inode");
+ failed_csum = 0;
}
pctx.errcode = ext2fs_copy_bitmap(ctx->block_found_map,
pctx.num = 4;
fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto endit;
}
pb.ino = EXT2_BAD_INO;
pb.num_blocks = pb.last_block = 0;
if (pctx.errcode) {
fix_problem(ctx, PR_1_BLOCK_ITERATE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto endit;
}
if (pb.bbcheck)
if (!fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK_PROMPT, &pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto endit;
}
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
clear_problem_context(&pctx);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
} else if (ino == EXT2_ROOT_INO) {
/*
inode->i_dtime = 0;
e2fsck_write_inode(ctx, ino, inode,
"pass1");
+ failed_csum = 0;
}
}
} else if (ino == EXT2_JOURNAL_INO) {
inode->i_mode = LINUX_S_IFREG;
e2fsck_write_inode(ctx, ino, inode,
"pass1");
+ failed_csum = 0;
}
check_blocks(ctx, &pctx, block_buf);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
if ((inode->i_links_count ||
ino, 0);
e2fsck_write_inode_full(ctx, ino, inode,
inode_size, "pass1");
+ failed_csum = 0;
}
} else if ((ino == EXT4_USR_QUOTA_INO) ||
(ino == EXT4_GRP_QUOTA_INO)) {
inode->i_mode = LINUX_S_IFREG;
e2fsck_write_inode(ctx, ino, inode,
"pass1");
+ failed_csum = 0;
}
check_blocks(ctx, &pctx, block_buf);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
if ((inode->i_links_count ||
ino, 0);
e2fsck_write_inode_full(ctx, ino, inode,
inode_size, "pass1");
+ failed_csum = 0;
}
} else if (ino < EXT2_FIRST_INODE(fs->super)) {
- int problem = 0;
+ problem_t problem = 0;
ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
if (ino == EXT2_BOOT_LOADER_INO) {
inode->i_mode = 0;
e2fsck_write_inode(ctx, ino, inode,
"pass1");
+ failed_csum = 0;
}
}
check_blocks(ctx, &pctx, block_buf);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
* 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 &&
+ if (inode->i_dtime && low_dtime_check &&
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");
+ failed_csum = 0;
}
}
inode->i_dtime = ctx->now;
e2fsck_write_inode(ctx, ino, inode,
"pass1");
+ failed_csum = 0;
}
}
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
/*
if (fix_problem(ctx, PR_1_SET_DTIME, &pctx)) {
inode->i_dtime = 0;
e2fsck_write_inode(ctx, ino, inode, "pass1");
+ failed_csum = 0;
}
}
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_feature_incompat &
+ if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+ !(fs->super->s_feature_incompat &
EXT4_FEATURE_INCOMPAT_64BIT) &&
inode->osd2.linux2.l_i_file_acl_high != 0)
mark_inode_bad(ctx, ino);
inode->i_flags &= ~EXT2_IMAGIC_FL;
e2fsck_write_inode(ctx, ino,
inode, "pass1");
+ failed_csum = 0;
}
}
}
fix_problem(ctx, PR_1_FAST_SYMLINK_EXTENT_FL, &pctx)) {
inode->i_flags &= ~EXT4_EXTENTS_FL;
e2fsck_write_inode(ctx, ino, inode, "pass1");
+ failed_csum = 0;
}
if (LINUX_S_ISDIR(inode->i_mode)) {
ext2fs_mark_inode_bitmap2(ctx->inode_dir_map, ino);
e2fsck_add_dir_info(ctx, ino, 0);
ctx->fs_directory_count++;
+ if (inode->i_flags & EXT4_ENCRYPT_FL)
+ add_encrypted_dir(ctx, ino);
} else if (LINUX_S_ISREG (inode->i_mode)) {
ext2fs_mark_inode_bitmap2(ctx->inode_reg_map, ino);
ctx->fs_regular_count++;
} else if (LINUX_S_ISCHR (inode->i_mode) &&
e2fsck_pass1_check_device_inode(fs, inode)) {
+ check_extents_inlinedata(ctx, &pctx);
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(fs, inode)) {
+ check_extents_inlinedata(ctx, &pctx);
check_immutable(ctx, &pctx);
check_size(ctx, &pctx);
ctx->fs_blockdev_count++;
block_buf)) {
check_immutable(ctx, &pctx);
ctx->fs_symlinks_count++;
- if (ext2fs_inode_data_blocks(fs, inode) == 0) {
+ if (inode->i_flags & EXT4_INLINE_DATA_FL) {
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+ continue;
+ } else if (ext2fs_inode_data_blocks(fs, inode) == 0) {
ctx->fs_fast_symlinks_count++;
check_blocks(ctx, &pctx, block_buf);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
continue;
}
}
else if (LINUX_S_ISFIFO (inode->i_mode) &&
e2fsck_pass1_check_device_inode(fs, inode)) {
+ check_extents_inlinedata(ctx, &pctx);
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(fs, inode)) {
+ check_extents_inlinedata(ctx, &pctx);
check_immutable(ctx, &pctx);
check_size(ctx, &pctx);
ctx->fs_sockets_count++;
} else
mark_inode_bad(ctx, ino);
- if (!(inode->i_flags & EXT4_EXTENTS_FL)) {
+ if (!(inode->i_flags & EXT4_EXTENTS_FL) &&
+ !(inode->i_flags & EXT4_INLINE_DATA_FL)) {
if (inode->i_block[EXT2_IND_BLOCK])
ctx->fs_ind_count++;
if (inode->i_block[EXT2_DIND_BLOCK])
ctx->fs_tind_count++;
}
if (!(inode->i_flags & EXT4_EXTENTS_FL) &&
+ !(inode->i_flags & EXT4_INLINE_DATA_FL) &&
(inode->i_block[EXT2_IND_BLOCK] ||
inode->i_block[EXT2_DIND_BLOCK] ||
inode->i_block[EXT2_TIND_BLOCK] ||
} else
check_blocks(ctx, &pctx, block_buf);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
- return;
+ goto endit;
if (process_inode_count >= ctx->process_inode_size) {
process_inodes(ctx, block_buf);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
- return;
+ goto endit;
}
}
process_inodes(ctx, block_buf);
ext2fs_close_inode_scan(scan);
+ scan = NULL;
+
+ reserve_block_for_root_repair(ctx);
+ reserve_block_for_lnf_repair(ctx);
/*
* If any extended attribute blocks' reference counts need to
}
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) {
if (!fix_problem(ctx, PR_1_RESIZE_INODE_CREATE,
&pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto endit;
}
pctx.errcode = 0;
}
e2fsck_write_inode(ctx, EXT2_RESIZE_INO, inode,
"recreate inode");
}
- fs->block_map = save_bmap;
ctx->flags &= ~E2F_FLAG_RESIZE_INODE;
}
endit:
e2fsck_use_inode_shortcuts(ctx, 0);
- ext2fs_free_mem(&block_buf);
- ext2fs_free_mem(&inode);
+ if (scan)
+ ext2fs_close_inode_scan(scan);
+ if (block_buf)
+ ext2fs_free_mem(&block_buf);
+ if (inode)
+ ext2fs_free_mem(&inode);
+
+ /*
+ * The l+f inode may have been cleared, so zap it now and
+ * later passes will recalculate it if necessary
+ */
+ ctx->lost_and_found = 0;
- print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
+ if ((ctx->flags & E2F_FLAG_SIGNAL_MASK) == 0)
+ print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
}
+#undef FINISH_INODE_LOOP
/*
* When the inode_scan routines call this callback at the end of the
ext2fs_mark_inode_bitmap2(ctx->inode_bad_map, ino);
}
+static void add_encrypted_dir(e2fsck_t ctx, ino_t ino)
+{
+ struct problem_context pctx;
+
+ if (!ctx->encrypted_dirs) {
+ pctx.errcode = ext2fs_u32_list_create(&ctx->encrypted_dirs, 0);
+ if (pctx.errcode)
+ goto error;
+ }
+ pctx.errcode = ext2fs_u32_list_add(ctx->encrypted_dirs, ino);
+ if (pctx.errcode == 0)
+ return;
+error:
+ fix_problem(ctx, PR_1_ALLOCATE_ENCRYPTED_DIRLIST, &pctx);
+ /* Should never get here */
+ ctx->flags |= E2F_FLAG_ABORT;
+}
/*
* This procedure will allocate the inode "bb" (badblock) map table
if ((blk = ea_refcount_intr_next(refcount, &count)) == 0)
break;
pctx.blk = blk;
- pctx.errcode = ext2fs_read_ext_attr2(fs, blk, block_buf);
+ pctx.errcode = ext2fs_read_ext_attr3(fs, blk, block_buf,
+ pctx.ino);
if (pctx.errcode) {
fix_problem(ctx, PR_1_EXTATTR_READ_ABORT, &pctx);
return;
pctx.num = should_be;
if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) {
header->h_refcount = should_be;
- pctx.errcode = ext2fs_write_ext_attr2(fs, blk,
- block_buf);
+ pctx.errcode = ext2fs_write_ext_attr3(fs, blk,
+ block_buf,
+ pctx.ino);
if (pctx.errcode) {
fix_problem(ctx, PR_1_EXTATTR_WRITE_ABORT,
&pctx);
struct ext2_ext_attr_entry *entry;
int count;
region_t region = 0;
+ int failed_csum = 0;
blk = ext2fs_file_acl_block(fs, inode);
if (blk == 0)
* validate it
*/
pctx->blk = blk;
- pctx->errcode = ext2fs_read_ext_attr2(fs, blk, block_buf);
- if (pctx->errcode && fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx))
+ pctx->errcode = ext2fs_read_ext_attr3(fs, blk, block_buf, pctx->ino);
+ if (pctx->errcode == EXT2_ET_EXT_ATTR_CSUM_INVALID) {
+ pctx->errcode = 0;
+ failed_csum = 1;
+ } else if (pctx->errcode == EXT2_ET_BAD_EA_HEADER)
+ pctx->errcode = 0;
+
+ if (pctx->errcode &&
+ fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx)) {
+ pctx->errcode = 0;
goto clear_extattr;
+ }
header = (struct ext2_ext_attr_header *) block_buf;
pctx->blk = ext2fs_file_acl_block(fs, inode);
if (((ctx->ext_attr_ver == 1) &&
goto clear_extattr;
}
+ if (pctx->errcode && fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx))
+ goto clear_extattr;
+
region = region_create(0, fs->blocksize);
if (!region) {
fix_problem(ctx, PR_1_EA_ALLOC_REGION_ABORT, pctx);
}
region_free(region);
+ /*
+ * We only get here if there was no other errors that were fixed.
+ * If there was a checksum fail, ask to correct it.
+ */
+ if (failed_csum &&
+ fix_problem(ctx, PR_1_EA_BLOCK_ONLY_CSUM_INVALID, pctx)) {
+ pctx->errcode = ext2fs_write_ext_attr3(fs, blk, block_buf,
+ pctx->ino);
+ if (pctx->errcode)
+ return 0;
+ }
+
count = header->h_refcount - 1;
if (count)
ea_refcount_store(ctx->refcount, blk, count);
ext2fs_icount_store(ctx->inode_link_info, ino, 0);
inode->i_dtime = ctx->now;
+ /*
+ * If a special inode has such rotten block mappings that we
+ * want to clear the whole inode, be sure to actually zap
+ * the block maps because i_links_count isn't checked for
+ * special inodes, and we'll end up right back here the next
+ * time we run fsck.
+ */
+ if (ino < EXT2_FIRST_INODE(ctx->fs->super))
+ memset(inode->i_block, 0, sizeof(inode->i_block));
+
ext2fs_unmark_inode_bitmap2(ctx->inode_dir_map, ino);
ext2fs_unmark_inode_bitmap2(ctx->inode_used_map, ino);
if (ctx->inode_reg_map)
e2fsck_write_inode(ctx, ino, inode, source);
}
+/*
+ * Use the multiple-blocks reclamation code to fix alignment problems in
+ * a bigalloc filesystem. We want a logical cluster to map to *only* one
+ * physical cluster, and we want the block offsets within that cluster to
+ * line up.
+ */
+static int has_unaligned_cluster_map(e2fsck_t ctx,
+ blk64_t last_pblk, e2_blkcnt_t last_lblk,
+ blk64_t pblk, blk64_t lblk)
+{
+ blk64_t cluster_mask;
+
+ if (!ctx->fs->cluster_ratio_bits)
+ return 0;
+ cluster_mask = EXT2FS_CLUSTER_MASK(ctx->fs);
+
+ /*
+ * If the block in the logical cluster doesn't align with the block in
+ * the physical cluster...
+ */
+ if ((lblk & cluster_mask) != (pblk & cluster_mask))
+ return 1;
+
+ /*
+ * If we cross a physical cluster boundary within a logical cluster...
+ */
+ if (last_pblk && (lblk & cluster_mask) != 0 &&
+ EXT2FS_B2C(ctx->fs, lblk) == EXT2FS_B2C(ctx->fs, last_lblk) &&
+ EXT2FS_B2C(ctx->fs, pblk) != EXT2FS_B2C(ctx->fs, last_pblk))
+ return 1;
+
+ return 0;
+}
+
static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
struct process_block_struct *pb,
blk64_t start_block, blk64_t end_block,
blk64_t eof_block,
- ext2_extent_handle_t ehandle)
+ ext2_extent_handle_t ehandle,
+ int try_repairs)
{
struct ext2fs_extent extent;
blk64_t blk, last_lblk;
e2_blkcnt_t blockcnt;
unsigned int i;
int is_dir, is_leaf;
- errcode_t problem;
+ problem_t problem;
struct ext2_extent_info info;
+ int failed_csum = 0;
+
+ if (pctx->errcode == EXT2_ET_EXTENT_CSUM_INVALID)
+ failed_csum = 1;
pctx->errcode = ext2fs_extent_get_info(ehandle, &info);
if (pctx->errcode)
pctx->errcode = ext2fs_extent_get(ehandle, EXT2_EXTENT_FIRST_SIB,
&extent);
- while (!pctx->errcode && info.num_entries-- > 0) {
+ while ((pctx->errcode == 0 ||
+ pctx->errcode == EXT2_ET_EXTENT_CSUM_INVALID) &&
+ info.num_entries-- > 0) {
is_leaf = extent.e_flags & EXT2_EXTENT_FLAGS_LEAF;
is_dir = LINUX_S_ISDIR(pctx->inode->i_mode);
last_lblk = extent.e_lblk + extent.e_len - 1;
problem = 0;
+ pctx->blk = extent.e_pblk;
+ pctx->blk2 = extent.e_lblk;
+ pctx->num = extent.e_len;
+ pctx->blkcount = extent.e_lblk + extent.e_len;
+
if (extent.e_pblk == 0 ||
extent.e_pblk < ctx->fs->super->s_first_data_block ||
extent.e_pblk >= ext2fs_blocks_count(ctx->fs->super))
(1 << (21 - ctx->fs->super->s_log_block_size))))
problem = PR_1_TOOBIG_DIR;
- if (problem) {
+ if (is_leaf && problem == 0 && extent.e_len > 0 &&
+ region_allocate(pb->region, extent.e_lblk, extent.e_len))
+ problem = PR_1_EXTENT_COLLISION;
+
+ /*
+ * Uninitialized blocks in a directory? Clear the flag and
+ * we'll interpret the blocks later.
+ */
+ if (try_repairs && is_dir && problem == 0 &&
+ (extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT) &&
+ fix_problem(ctx, PR_1_UNINIT_DBLOCK, pctx)) {
+ extent.e_flags &= ~EXT2_EXTENT_FLAGS_UNINIT;
+ pb->inode_modified = 1;
+ pctx->errcode = ext2fs_extent_replace(ehandle, 0,
+ &extent);
+ if (pctx->errcode)
+ return;
+ failed_csum = 0;
+ }
+
+ if (try_repairs && problem) {
report_problem:
- pctx->blk = extent.e_pblk;
- pctx->blk2 = extent.e_lblk;
- pctx->num = extent.e_len;
- pctx->blkcount = extent.e_lblk + extent.e_len;
if (fix_problem(ctx, problem, pctx)) {
+ if (ctx->invalid_bitmaps) {
+ /*
+ * If fsck knows the bitmaps are bad,
+ * skip to the next extent and
+ * try to clear this extent again
+ * after fixing the bitmaps, by
+ * restarting fsck.
+ */
+ pctx->errcode = ext2fs_extent_get(
+ ehandle,
+ EXT2_EXTENT_NEXT_SIB,
+ &extent);
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
+ if (pctx->errcode ==
+ EXT2_ET_NO_CURRENT_NODE) {
+ pctx->errcode = 0;
+ break;
+ }
+ continue;
+ }
e2fsck_read_bitmaps(ctx);
+ pb->inode_modified = 1;
pctx->errcode =
ext2fs_extent_delete(ehandle, 0);
if (pctx->errcode) {
pctx->str = "ext2fs_extent_delete";
return;
}
- ext2fs_extent_fix_parents(ehandle);
+ pctx->errcode = ext2fs_extent_fix_parents(ehandle);
+ if (pctx->errcode &&
+ pctx->errcode != EXT2_ET_NO_CURRENT_NODE) {
+ pctx->str = "ext2fs_extent_fix_parents";
+ return;
+ }
pctx->errcode = ext2fs_extent_get(ehandle,
EXT2_EXTENT_CURRENT,
&extent);
pctx->errcode = 0;
break;
}
+ failed_csum = 0;
continue;
}
goto next;
if (!is_leaf) {
blk64_t lblk = extent.e_lblk;
+ int next_try_repairs = 1;
blk = extent.e_pblk;
+
+ /*
+ * If this lower extent block collides with critical
+ * metadata, don't try to repair the damage. Pass 1b
+ * will reallocate the block; then we can try again.
+ */
+ if (pb->ino != EXT2_RESIZE_INO &&
+ ext2fs_test_block_bitmap2(ctx->block_metadata_map,
+ extent.e_pblk)) {
+ next_try_repairs = 0;
+ pctx->blk = blk;
+ fix_problem(ctx,
+ PR_1_CRITICAL_METADATA_COLLISION,
+ pctx);
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
+ }
pctx->errcode = ext2fs_extent_get(ehandle,
EXT2_EXTENT_DOWN, &extent);
- if (pctx->errcode) {
+ if (pctx->errcode &&
+ pctx->errcode != EXT2_ET_EXTENT_CSUM_INVALID) {
pctx->str = "EXT2_EXTENT_DOWN";
problem = PR_1_EXTENT_HEADER_INVALID;
+ if (!next_try_repairs)
+ return;
if (pctx->errcode == EXT2_ET_EXTENT_HEADER_BAD)
goto report_problem;
return;
pctx->blk2 = extent.e_lblk;
pctx->num = e_info.curr_level - 1;
problem = PR_1_EXTENT_INDEX_START_INVALID;
- if (fix_problem(ctx, problem, pctx))
- ext2fs_extent_fix_parents(ehandle);
+ if (fix_problem(ctx, problem, pctx)) {
+ pb->inode_modified = 1;
+ pctx->errcode =
+ ext2fs_extent_fix_parents(ehandle);
+ if (pctx->errcode) {
+ pctx->str = "ext2fs_extent_fix_parents";
+ return;
+ }
+ }
}
scan_extent_node(ctx, pctx, pb, extent.e_lblk,
- last_lblk, eof_block, ehandle);
+ last_lblk, eof_block, ehandle,
+ next_try_repairs);
if (pctx->errcode)
return;
pctx->errcode = ext2fs_extent_get(ehandle,
}
pb->fragmented = 1;
}
+ /*
+ * If we notice a gap in the logical block mappings of an
+ * extent-mapped directory, offer to close the hole by
+ * moving the logical block down, otherwise we'll go mad in
+ * pass 3 allocating empty directory blocks to fill the hole.
+ */
+ if (try_repairs && is_dir &&
+ pb->last_block + 1 < (e2_blkcnt_t)extent.e_lblk) {
+ blk64_t new_lblk;
+
+ new_lblk = pb->last_block + 1;
+ if (EXT2FS_CLUSTER_RATIO(ctx->fs) > 1)
+ new_lblk = ((new_lblk +
+ EXT2FS_CLUSTER_RATIO(ctx->fs) - 1) &
+ ~EXT2FS_CLUSTER_MASK(ctx->fs)) |
+ (extent.e_pblk &
+ EXT2FS_CLUSTER_MASK(ctx->fs));
+ pctx->blk = extent.e_lblk;
+ pctx->blk2 = new_lblk;
+ if (fix_problem(ctx, PR_1_COLLAPSE_DBLOCK, pctx)) {
+ extent.e_lblk = new_lblk;
+ pb->inode_modified = 1;
+ pctx->errcode = ext2fs_extent_replace(ehandle,
+ 0, &extent);
+ if (pctx->errcode) {
+ pctx->errcode = 0;
+ goto alloc_later;
+ }
+ pctx->errcode = ext2fs_extent_fix_parents(ehandle);
+ if (pctx->errcode)
+ goto failed_add_dir_block;
+ pctx->errcode = ext2fs_extent_goto(ehandle,
+ extent.e_lblk);
+ if (pctx->errcode)
+ goto failed_add_dir_block;
+ last_lblk = extent.e_lblk + extent.e_len - 1;
+ failed_csum = 0;
+ }
+ }
+alloc_later:
while (is_dir && (++pb->last_db_block <
(e2_blkcnt_t) extent.e_lblk)) {
pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist,
mark_block_used(ctx, blk);
pb->num_blocks++;
}
-
+ if (has_unaligned_cluster_map(ctx, pb->previous_block,
+ pb->last_block, blk,
+ blockcnt)) {
+ pctx->blk = blockcnt;
+ pctx->blk2 = blk;
+ fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
+ mark_block_used(ctx, blk);
+ mark_block_used(ctx, blk);
+ }
+ pb->last_block = blockcnt;
pb->previous_block = blk;
if (is_dir) {
EXT2_EXTENT_NEXT_SIB,
&extent);
}
+
+ /* Failed csum but passes checks? Ask to fix checksum. */
+ if (failed_csum &&
+ fix_problem(ctx, PR_1_EXTENT_ONLY_CSUM_INVALID, pctx)) {
+ pb->inode_modified = 1;
+ pctx->errcode = ext2fs_extent_replace(ehandle, 0, &extent);
+ if (pctx->errcode)
+ return;
+ }
+
if (pctx->errcode == EXT2_ET_EXTENT_NO_NEXT)
pctx->errcode = 0;
}
ctx->extent_depth_count[info.max_depth]++;
}
+ pb->region = region_create(0, info.max_lblk);
+ if (!pb->region) {
+ ext2fs_extent_free(ehandle);
+ fix_problem(ctx, PR_1_EXTENT_ALLOC_REGION_ABORT, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+
eof_lblk = ((EXT2_I_SIZE(inode) + fs->blocksize - 1) >>
EXT2_BLOCK_SIZE_BITS(fs->super)) - 1;
- scan_extent_node(ctx, pctx, pb, 0, 0, eof_lblk, ehandle);
+ scan_extent_node(ctx, pctx, pb, 0, 0, eof_lblk, ehandle, 1);
if (pctx->errcode &&
fix_problem(ctx, PR_1_EXTENT_ITERATE_FAILURE, pctx)) {
pb->num_blocks = 0;
"check_blocks_extents");
pctx->errcode = 0;
}
+ region_free(pb->region);
+ pb->region = NULL;
ext2fs_extent_free(ehandle);
}
/*
+ * In fact we don't need to check blocks for an inode with inline data
+ * because this inode doesn't have any blocks. In this function all
+ * we need to do is add this inode into dblist when it is a directory.
+ */
+static void check_blocks_inline_data(e2fsck_t ctx, struct problem_context *pctx,
+ struct process_block_struct *pb)
+{
+ int flags;
+ size_t inline_data_size = 0;
+
+ if (!pb->is_dir) {
+ pctx->errcode = 0;
+ return;
+ }
+
+ /* Process the dirents in i_block[] as the "first" block. */
+ pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pb->ino, 0, 0);
+ if (pctx->errcode)
+ goto err;
+
+ /* Process the dirents in the EA as a "second" block. */
+ flags = ctx->fs->flags;
+ ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ pctx->errcode = ext2fs_inline_data_size(ctx->fs, pb->ino,
+ &inline_data_size);
+ ctx->fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
+ (ctx->fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
+ if (pctx->errcode) {
+ pctx->errcode = 0;
+ return;
+ }
+
+ if (inline_data_size <= EXT4_MIN_INLINE_DATA_SIZE)
+ return;
+
+ pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pb->ino, 0, 1);
+ if (pctx->errcode)
+ goto err;
+
+ return;
+err:
+ pctx->blk = 0;
+ pctx->num = 0;
+ fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+}
+
+/*
* This subroutine is called on each inode to account for all of the
* blocks used by that inode.
*/
struct process_block_struct pb;
ext2_ino_t ino = pctx->ino;
struct ext2_inode *inode = pctx->inode;
- int bad_size = 0;
+ unsigned bad_size = 0;
int dirty_inode = 0;
int extent_fs;
+ int inlinedata_fs;
__u64 size;
pb.ino = ino;
pb.inode = inode;
pb.pctx = pctx;
pb.ctx = ctx;
+ pb.inode_modified = 0;
pctx->ino = ino;
pctx->errcode = 0;
extent_fs = (ctx->fs->super->s_feature_incompat &
EXT3_FEATURE_INCOMPAT_EXTENTS);
+ inlinedata_fs = (ctx->fs->super->s_feature_incompat &
+ EXT4_FEATURE_INCOMPAT_INLINE_DATA);
- if (inode->i_flags & EXT2_COMPRBLK_FL) {
- if (fs->super->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_COMPRESSION)
- pb.compressed = 1;
- else {
- if (fix_problem(ctx, PR_1_COMPR_SET, pctx)) {
- inode->i_flags &= ~EXT2_COMPRBLK_FL;
- dirty_inode++;
- }
- }
- }
-
- if (ext2fs_file_acl_block(fs, inode) &&
- check_ext_attr(ctx, pctx, block_buf)) {
+ if (check_ext_attr(ctx, pctx, block_buf)) {
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
goto out;
pb.num_blocks++;
}
- if (ext2fs_inode_has_valid_blocks2(fs, inode)) {
+ if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL))
+ check_blocks_inline_data(ctx, pctx, &pb);
+ else if (ext2fs_inode_has_valid_blocks2(fs, inode)) {
if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL))
check_blocks_extents(ctx, pctx, &pb);
else {
+ int flags;
+ /*
+ * If we've modified the inode, write it out before
+ * iterate() tries to use it.
+ */
+ if (dirty_inode) {
+ e2fsck_write_inode(ctx, ino, inode,
+ "check_blocks");
+ dirty_inode = 0;
+ }
+ flags = fs->flags;
+ fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
pctx->errcode = ext2fs_block_iterate3(fs, ino,
pb.is_dir ? BLOCK_FLAG_HOLE : 0,
block_buf, process_block, &pb);
* files.
*/
pb.last_init_lblock = pb.last_block;
+ /*
+ * If iterate() changed a block mapping, we have to
+ * re-read the inode. If we decide to clear the
+ * inode after clearing some stuff, we'll re-write the
+ * bad mappings into the inode!
+ */
+ if (pb.inode_modified)
+ e2fsck_read_inode(ctx, ino, inode,
+ "check_blocks");
+ fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
+ (fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
}
}
end_problem_latch(ctx, PR_LATCH_BLOCK);
}
}
- if (!pb.num_blocks && pb.is_dir) {
+ if (!pb.num_blocks && pb.is_dir &&
+ !(inode->i_flags & EXT4_INLINE_DATA_FL)) {
if (fix_problem(ctx, PR_1_ZERO_LENGTH_DIR, pctx)) {
e2fsck_clear_inode(ctx, ino, inode, 0, "check_blocks");
ctx->fs_directory_count--;
#endif
if (pb.is_dir) {
int nblock = inode->i_size >> EXT2_BLOCK_SIZE_BITS(fs->super);
- if (inode->i_size & (fs->blocksize - 1))
+ if (inode->i_flags & EXT4_INLINE_DATA_FL) {
+ int flags;
+ size_t size;
+ errcode_t err;
+
+ size = 0;
+ flags = ctx->fs->flags;
+ ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ err = ext2fs_inline_data_size(ctx->fs, pctx->ino,
+ &size);
+ ctx->fs->flags = (flags &
+ EXT2_FLAG_IGNORE_CSUM_ERRORS) |
+ (ctx->fs->flags &
+ ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
+ if (err || size != inode->i_size) {
+ bad_size = 7;
+ pctx->num = size;
+ }
+ } else if (inode->i_size & (fs->blocksize - 1))
bad_size = 5;
else if (nblock > (pb.last_block + 1))
bad_size = 1;
}
/* i_size for symlinks is checked elsewhere */
if (bad_size && !LINUX_S_ISLNK(inode->i_mode)) {
- pctx->num = (pb.last_block+1) * fs->blocksize;
+ /* Did inline_data set pctx->num earlier? */
+ if (bad_size != 7)
+ pctx->num = (pb.last_block + 1) * fs->blocksize;
pctx->group = bad_size;
if (fix_problem(ctx, PR_1_BAD_I_SIZE, pctx)) {
- inode->i_size = pctx->num;
- if (!LINUX_S_ISDIR(inode->i_mode))
- inode->i_size_high = pctx->num >> 32;
+ if (LINUX_S_ISDIR(inode->i_mode))
+ pctx->num &= 0xFFFFFFFFULL;
+ ext2fs_inode_size_set(fs, inode, pctx->num);
+ if (EXT2_I_SIZE(inode) == 0 &&
+ (inode->i_flags & EXT4_INLINE_DATA_FL)) {
+ memset(inode->i_block, 0,
+ sizeof(inode->i_block));
+ inode->i_flags &= ~EXT4_INLINE_DATA_FL;
+ }
dirty_inode++;
}
pctx->num = 0;
}
- if (LINUX_S_ISREG(inode->i_mode) && EXT2_I_SIZE(inode) >= 0x80000000UL)
+ if (LINUX_S_ISREG(inode->i_mode) &&
+ ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode)))
ctx->large_files++;
- if ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) ||
- ((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))) {
+ if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+ ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) ||
+ ((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;
}
if (ctx->dirs_to_hash && pb.is_dir &&
+ !(ctx->lost_and_found && ctx->lost_and_found == ino) &&
!(inode->i_flags & EXT2_INDEX_FL) &&
((inode->i_size / fs->blocksize) >= 3))
- ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
+ e2fsck_rehash_dir_later(ctx, ino);
out:
if (dirty_inode)
struct problem_context *pctx;
blk64_t blk = *block_nr;
int ret_code = 0;
- int problem = 0;
+ problem_t problem = 0;
e2fsck_t ctx;
p = (struct process_block_struct *) priv_data;
pctx = p->pctx;
ctx = p->ctx;
- if (p->compressed && (blk == EXT2FS_COMPRESSED_BLKADDR)) {
- /* todo: Check that the comprblk_fl is high, that the
- blkaddr pattern looks right (all non-holes up to
- first EXT2FS_COMPRESSED_BLKADDR, then all
- EXT2FS_COMPRESSED_BLKADDR up to end of cluster),
- that the feature_incompat bit is high, and that the
- inode is a regular file. If we're doing a "full
- check" (a concept introduced to e2fsck by e2compr,
- meaning that we look at data blocks as well as
- metadata) then call some library routine that
- checks the compressed data. I'll have to think
- about this, because one particularly important
- problem to be able to fix is to recalculate the
- cluster size if necessary. I think that perhaps
- we'd better do most/all e2compr-specific checks
- separately, after the non-e2compr checks. If not
- doing a full check, it may be useful to test that
- the personality is linux; e.g. if it isn't then
- perhaps this really is just an illegal block. */
- return 0;
+ /*
+ * For a directory, add logical block zero for processing even if it's
+ * not mapped or we'll be perennially stuck with broken "." and ".."
+ * entries.
+ */
+ if (p->is_dir && blockcnt == 0 && blk == 0) {
+ pctx->errcode = ext2fs_add_dir_block2(fs->dblist, p->ino, 0, 0);
+ if (pctx->errcode) {
+ pctx->blk = blk;
+ pctx->num = blockcnt;
+ goto failed_add_dir_block;
+ }
+ p->last_db_block++;
}
if (blk == 0)
* file be contiguous. (Which can never be true for really
* big files that are greater than a block group.)
*/
- if (!HOLE_BLKADDR(p->previous_block) && p->ino != EXT2_RESIZE_INO) {
+ if (p->previous_block && p->ino != EXT2_RESIZE_INO) {
if (p->previous_block+1 != blk) {
if (ctx->options & E2F_OPT_FRAGCHECK) {
char type = '?';
blk >= ext2fs_blocks_count(fs->super))
problem = PR_1_ILLEGAL_BLOCK_NUM;
+ /*
+ * If this IND/DIND/TIND block is squatting atop some critical metadata
+ * (group descriptors, superblock, bitmap, inode table), any write to
+ * "fix" mapping problems will destroy the metadata. We'll let pass 1b
+ * fix that and restart fsck.
+ */
+ if (blockcnt < 0 &&
+ p->ino != EXT2_RESIZE_INO &&
+ ext2fs_test_block_bitmap2(ctx->block_metadata_map, blk)) {
+ pctx->blk = blk;
+ fix_problem(ctx, PR_1_CRITICAL_METADATA_COLLISION, pctx);
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
+ }
+
if (problem) {
p->num_illegal_blocks++;
+ /*
+ * A bit of subterfuge here -- we're trying to fix a block
+ * mapping, but the IND/DIND/TIND block could have collided
+ * with some critical metadata. So, fix the in-core mapping so
+ * iterate won't go insane, but return 0 instead of
+ * BLOCK_CHANGED so that it won't write the remapping out to
+ * our multiply linked block.
+ *
+ * Even if we previously determined that an *IND block
+ * conflicts with critical metadata, we must still try to
+ * iterate the *IND block as if it is an *IND block to find and
+ * mark the blocks it points to. Better to be overly cautious
+ * with the used_blocks map so that we don't move the *IND
+ * block to a block that's really in use!
+ */
+ if (p->ino != EXT2_RESIZE_INO &&
+ ref_block != 0 &&
+ ext2fs_test_block_bitmap2(ctx->block_metadata_map,
+ ref_block)) {
+ *block_nr = 0;
+ return 0;
+ }
if (!p->suppress && (p->num_illegal_blocks % 12) == 0) {
if (fix_problem(ctx, PR_1_TOO_MANY_BAD_BLOCKS, pctx)) {
p->clear = 1;
if (fix_problem(ctx, problem, pctx)) {
blk = *block_nr = 0;
ret_code = BLOCK_CHANGED;
+ p->inode_modified = 1;
+ /*
+ * If the directory block is too big and is beyond the
+ * end of the FS, don't bother trying to add it for
+ * processing -- the kernel would never have created a
+ * directory this large, and we risk an ENOMEM abort.
+ * In any case, the toobig handler for extent-based
+ * directories also doesn't feed toobig blocks to
+ * pass 2.
+ */
+ if (problem == PR_1_TOOBIG_DIR)
+ return ret_code;
goto mark_dir;
} else
return 0;
((unsigned) blockcnt & EXT2FS_CLUSTER_MASK(ctx->fs)))) {
mark_block_used(ctx, blk);
p->num_blocks++;
+ } else if (has_unaligned_cluster_map(ctx, p->previous_block,
+ p->last_block, blk, blockcnt)) {
+ pctx->blk = blockcnt;
+ pctx->blk2 = blk;
+ fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
+ mark_block_used(ctx, blk);
+ mark_block_used(ctx, blk);
}
if (blockcnt >= 0)
p->last_block = blockcnt;
struct problem_context *pctx;
e2fsck_t ctx;
- /*
- * Note: This function processes blocks for the bad blocks
- * inode, which is never compressed. So we don't use HOLE_BLKADDR().
- */
-
if (!blk)
return 0;
return 0;
}
-static void new_table_block(e2fsck_t ctx, blk_t first_block, int group,
+static void new_table_block(e2fsck_t ctx, blk64_t first_block, dgrp_t group,
const char *name, int num, blk64_t *new_block)
{
ext2_filsys fs = ctx->fs;
dgrp_t last_grp;
blk64_t old_block = *new_block;
blk64_t last_block;
- int i, is_flexbg, flexbg, flexbg_size;
+ dgrp_t flexbg;
+ unsigned flexbg_size;
+ int i, is_flexbg;
char *buf;
struct problem_context pctx;
first_block = ext2fs_group_first_block2(fs,
flexbg_size * flexbg);
last_grp = group | (flexbg_size - 1);
- if (last_grp > fs->group_desc_count)
- last_grp = fs->group_desc_count;
+ if (last_grp >= fs->group_desc_count)
+ last_grp = fs->group_desc_count - 1;
last_block = ext2fs_group_last_block2(fs, last_grp);
} else
last_block = ext2fs_group_last_block2(fs, group);
old_block + i, 1, buf);
if (pctx.errcode)
fix_problem(ctx, PR_1_RELOC_READ_ERR, &pctx);
- } else
- memset(buf, 0, fs->blocksize);
+ pctx.blk = (*new_block) + i;
+ pctx.errcode = io_channel_write_blk64(fs->io, pctx.blk,
+ 1, buf);
+ } else {
+ pctx.blk = (*new_block) + i;
+ pctx.errcode = ext2fs_zero_blocks2(fs, pctx.blk, 1,
+ NULL, NULL);
+ }
- pctx.blk = (*new_block) + i;
- pctx.errcode = io_channel_write_blk64(fs->io, pctx.blk,
- 1, buf);
if (pctx.errcode)
fix_problem(ctx, PR_1_RELOC_WRITE_ERR, &pctx);
}
pctx.group = i;
ext2fs_reserve_super_and_bgd(fs, i, ctx->block_found_map);
+ ext2fs_reserve_super_and_bgd(fs, i, ctx->block_metadata_map);
/*
* Mark the blocks used for the inode table
ctx->invalid_bitmaps++;
}
} else {
- ext2fs_mark_block_bitmap2(ctx->block_found_map,
- b);
+ ext2fs_mark_block_bitmap2(
+ ctx->block_found_map, b);
+ ext2fs_mark_block_bitmap2(
+ ctx->block_metadata_map, b);
}
}
}
} else {
ext2fs_mark_block_bitmap2(ctx->block_found_map,
ext2fs_block_bitmap_loc(fs, i));
- }
-
+ ext2fs_mark_block_bitmap2(ctx->block_metadata_map,
+ ext2fs_block_bitmap_loc(fs, i));
+ }
}
/*
* Mark block used for the inode bitmap
ctx->invalid_bitmaps++;
}
} else {
+ ext2fs_mark_block_bitmap2(ctx->block_metadata_map,
+ ext2fs_inode_bitmap_loc(fs, i));
ext2fs_mark_block_bitmap2(ctx->block_found_map,
ext2fs_inode_bitmap_loc(fs, i));
}
return retval;
}
- retval = ext2fs_new_block2(fs, goal, 0, &new_block);
+ retval = ext2fs_new_block2(fs, goal, fs->block_map, &new_block);
if (retval)
return retval;
}
{
e2fsck_t ctx = (e2fsck_t) fs->priv_data;
+ /* Never free a critical metadata block */
+ if (ctx->block_found_map &&
+ ctx->block_metadata_map &&
+ inuse < 0 &&
+ ext2fs_test_block_bitmap2(ctx->block_metadata_map, blk))
+ return;
+
if (ctx->block_found_map) {
if (inuse > 0)
ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
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;
}
}
+
+void e2fsck_intercept_block_allocations(e2fsck_t ctx)
+{
+ ext2fs_set_alloc_block_callback(ctx->fs, e2fsck_get_alloc_block, 0);
+ ext2fs_set_block_alloc_stats_callback(ctx->fs,
+ e2fsck_block_alloc_stats, 0);
+}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff