{ "lpf_ino", &set_sb.s_lpf_ino, NULL, 4, parse_uint },
{ "checksum_seed", &set_sb.s_checksum_seed, NULL, 4, parse_uint },
{ "encoding", &set_sb.s_encoding, NULL, 2, parse_encoding },
+ { "orphan_file_inum", &set_sb.s_orphan_file_inum, NULL, 4, parse_uint },
{ 0, 0, 0, 0 }
};
void check_super_block(e2fsck_t ctx);
int check_backup_super_block(e2fsck_t ctx);
void check_resize_inode(e2fsck_t ctx);
+int check_init_orphan_file(e2fsck_t ctx);
/* util.c */
extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned long size,
}
static errcode_t get_inline_data_ea_size(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode,
size_t *sz)
{
void *p;
if (retval)
return retval;
- retval = ext2fs_xattrs_read(handle);
+ retval = ext2fs_xattrs_read_inode(handle,
+ (struct ext2_inode_large *)inode);
if (retval)
goto err;
(ino >= EXT2_FIRST_INODE(fs->super))) {
size_t size = 0;
- pctx.errcode = get_inline_data_ea_size(fs, ino, &size);
+ pctx.errcode = get_inline_data_ea_size(fs, ino, inode,
+ &size);
if (!pctx.errcode &&
fix_problem(ctx, PR_1_INLINE_DATA_FEATURE, &pctx)) {
ext2fs_set_feature_inline_data(sb);
flags = fs->flags;
if (failed_csum)
fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
- err = get_inline_data_ea_size(fs, ino, &size);
+ err = get_inline_data_ea_size(fs, ino, inode, &size);
fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
(fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
inode_size, "pass1");
failed_csum = 0;
}
+ } else if (ino == fs->super->s_orphan_file_inum) {
+ ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
+ if (ext2fs_has_feature_orphan_file(fs->super)) {
+ if (!LINUX_S_ISREG(inode->i_mode) &&
+ fix_problem(ctx, PR_1_ORPHAN_FILE_BAD_MODE,
+ &pctx)) {
+ inode->i_mode = LINUX_S_IFREG;
+ e2fsck_write_inode(ctx, ino, inode,
+ "pass1");
+ failed_csum = 0;
+ }
+ check_blocks(ctx, &pctx, block_buf, NULL);
+ FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+ continue;
+ }
+ if ((inode->i_links_count ||
+ inode->i_blocks || inode->i_block[0]) &&
+ fix_problem(ctx, PR_1_ORPHAN_FILE_NOT_CLEAR,
+ &pctx)) {
+ memset(inode, 0, inode_size);
+ ext2fs_icount_store(ctx->inode_link_info, ino,
+ 0);
+ e2fsck_write_inode_full(ctx, ino, inode,
+ inode_size, "pass1");
+ failed_csum = 0;
+ }
} else if (ino < EXT2_FIRST_INODE(fs->super)) {
problem_t problem = 0;
}
if (ino != quota_type2inum(PRJQUOTA, fs->super) &&
+ ino != fs->super->s_orphan_file_inum &&
(ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INODE(ctx->fs->super)) &&
!(inode->i_flags & EXT4_EA_INODE_FL)) {
quota_data_add(ctx->qctx, (struct ext2_inode_large *) inode,
(dirent->inode > fs->super->s_inodes_count) ||
(dirent->inode == fs->super->s_usr_quota_inum) ||
(dirent->inode == fs->super->s_grp_quota_inum) ||
- (dirent->inode == fs->super->s_prj_quota_inum)) {
+ (dirent->inode == fs->super->s_prj_quota_inum) ||
+ (dirent->inode == fs->super->s_orphan_file_inum)) {
problem = PR_2_BAD_INO;
} else if (ctx->inode_bb_map &&
(ext2fs_test_inode_bitmap2(ctx->inode_bb_map,
* This subroutine returns 1 then the caller shouldn't bother with the
* rest of the pass 4 tests.
*/
-static int disconnect_inode(e2fsck_t ctx, ext2_ino_t i,
+static int disconnect_inode(e2fsck_t ctx, ext2_ino_t i, ext2_ino_t *last_ino,
struct ext2_inode_large *inode)
{
ext2_filsys fs = ctx->fs;
__u32 eamagic = 0;
int extra_size = 0;
- e2fsck_read_inode_full(ctx, i, EXT2_INODE(inode),
- EXT2_INODE_SIZE(fs->super),
- "pass4: disconnect_inode");
+ if (*last_ino != i) {
+ e2fsck_read_inode_full(ctx, i, EXT2_INODE(inode),
+ EXT2_INODE_SIZE(fs->super),
+ "pass4: disconnect_inode");
+ *last_ino = i;
+ }
if (EXT2_INODE_SIZE(fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
extra_size = inode->i_extra_isize;
if (fix_problem(ctx, PR_4_UNATTACHED_INODE, &pctx)) {
if (e2fsck_reconnect_file(ctx, i))
ext2fs_unmark_valid(fs);
+ *last_ino = 0;
} else {
/*
* If we don't attach the inode, then skip the
return 0;
}
-static void check_ea_inode(e2fsck_t ctx, ext2_ino_t i,
+/*
+ * This function is called when link_counted is zero. So this may not be
+ * an xattr inode at all. Return immediately if EA_INODE flag is not set.
+ */
+static void check_ea_inode(e2fsck_t ctx, ext2_ino_t i, ext2_ino_t *last_ino,
struct ext2_inode_large *inode, __u16 *link_counted)
{
__u64 actual_refs = 0;
__u64 ref_count;
- /*
- * This function is called when link_counted is zero. So this may not
- * be an xattr inode at all. Return immediately if EA_INODE flag is not
- * set.
- */
- e2fsck_read_inode_full(ctx, i, EXT2_INODE(inode),
- EXT2_INODE_SIZE(ctx->fs->super),
- "pass4: check_ea_inode");
+ if (*last_ino != i) {
+ e2fsck_read_inode_full(ctx, i, EXT2_INODE(inode),
+ EXT2_INODE_SIZE(ctx->fs->super),
+ "pass4: check_ea_inode");
+ *last_ino = i;
+ }
if (!(inode->i_flags & EXT4_EA_INODE_FL))
return;
inode = e2fsck_allocate_memory(ctx, inode_size, "scratch inode");
/* Protect loop from wrap-around if s_inodes_count maxed */
- for (i=1; i <= fs->super->s_inodes_count && i > 0; i++) {
+ for (i = 1; i <= fs->super->s_inodes_count && i > 0; i++) {
+ ext2_ino_t last_ino = 0;
int isdir;
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
goto errout;
}
if (i == quota_type2inum(PRJQUOTA, ctx->fs->super) ||
- i == EXT2_BAD_INO ||
+ i == fs->super->s_orphan_file_inum || i == EXT2_BAD_INO ||
(i > EXT2_ROOT_INO && i < EXT2_FIRST_INODE(fs->super)))
continue;
if (!(ext2fs_test_inode_bitmap2(ctx->inode_used_map, i)) ||
* check_ea_inode() will update link_counted if
* necessary.
*/
- check_ea_inode(ctx, i, inode, &link_counted);
+ check_ea_inode(ctx, i, &last_ino, inode, &link_counted);
}
if (link_counted == 0) {
fs->blocksize, "bad_inode buffer");
if (e2fsck_process_bad_inode(ctx, 0, i, buf))
continue;
- if (disconnect_inode(ctx, i, inode))
+ if (disconnect_inode(ctx, i, &last_ino, inode))
continue;
ext2fs_icount_fetch(ctx->inode_link_info, i,
&link_count);
if (link_counted != link_count) {
int fix_nlink = 0;
- e2fsck_read_inode_full(ctx, i, EXT2_INODE(inode),
- inode_size, "pass4");
+ if (last_ino != i) {
+ e2fsck_read_inode_full(ctx, i,
+ EXT2_INODE(inode),
+ inode_size, "pass4");
+ last_ino = i;
+ }
pctx.ino = i;
pctx.inode = EXT2_INODE(inode);
if ((link_count != inode->i_links_count) && !isdir &&
"not compatible. Resize @i should be disabled. "),
PROMPT_FIX, 0, 0, 0, 0 },
+ /* Orphan file contains holes */
+ { PR_0_ORPHAN_FILE_HOLE,
+ N_("Orphan file (@i %i) contains hole at @b %b. Terminating orphan file recovery.\n"),
+ PROMPT_NONE, 0 },
+
+ /* Orphan file block has wrong magic */
+ { PR_0_ORPHAN_FILE_BAD_MAGIC,
+ N_("Orphan file (@i %i) @b %b contains wrong magic. Terminating orphan file recovery.\n"),
+ PROMPT_NONE, 0 },
+
+ /* Orphan file block has wrong checksum */
+ { PR_0_ORPHAN_FILE_BAD_CHECKSUM,
+ N_("Orphan file (@i %i) @b %b contains wrong checksum. Terminating orphan file recovery.\n"),
+ PROMPT_NONE, 0 },
+
+ /* Orphan file size isn't multiple of blocks size */
+ { PR_0_ORPHAN_FILE_WRONG_SIZE,
+ N_("Orphan file (@i %i) size is not multiple of block size. Terminating orphan file recovery.\n"),
+ PROMPT_NONE, 0 },
+
/* Pass 1 errors */
/* Pass 1: Checking inodes, blocks, and sizes */
N_("@h %i uses SipHash, but should not. "),
PROMPT_CLEAR_HTREE, PR_PREEN_OK, 0, 0, 0 },
+ /* Orphan file has bad mode */
+ { PR_1_ORPHAN_FILE_BAD_MODE,
+ N_("Orphan file @i %i is not regular file. "),
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* Orphan file inode is not in use, but contains data */
+ { PR_1_ORPHAN_FILE_NOT_CLEAR,
+ N_("Orphan file @i %i is not in use, but contains data. "),
+ PROMPT_CLEAR, PR_PREEN_OK },
/* Pass 1b errors */
N_("Error writing quota info for quota type %N: %m\n"),
PROMPT_NULL, 0, 0, 0, 0 },
+ /* Orphan file without a journal */
+ { PR_6_ORPHAN_FILE_WITHOUT_JOURNAL,
+ N_("@S has orphan file without @j.\n"),
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* Orphan file truncation failed */
+ { PR_6_ORPHAN_FILE_TRUNC_FAILED,
+ N_("Failed to truncate orphan file.\n"),
+ PROMPT_NONE, 0 },
+
+ /* Failed to initialize orphan file */
+ { PR_6_ORPHAN_FILE_CORRUPTED,
+ N_("Failed to initialize orphan file.\n"),
+ PROMPT_RECREATE, PR_PREEN_OK },
+
+ /* Cannot fix corrupted orphan file with invalid bitmaps */
+ { PR_6_ORPHAN_FILE_BITMAP_INVALID,
+ N_("Cannot fix corrupted orphan file with invalid bitmaps.\n"),
+ PROMPT_NONE, 0 },
+
+ /* Orphan file creation failed */
+ { PR_6_ORPHAN_FILE_CREATE_FAILED,
+ N_("Failed to truncate orphan file (@i %i).\n"),
+ PROMPT_NONE, 0 },
+
+ /* Orphan file block contains data */
+ { PR_6_ORPHAN_BLOCK_DIRTY,
+ N_("Orphan file (@i %i) @b %b is not clean.\n"),
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* orphan_present set but orphan file is empty */
+ { PR_6_ORPHAN_PRESENT_CLEAN_FILE,
+ N_("Feature orphan_present is set but orphan file is clean.\n"),
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* orphan_present set but orphan_file is not */
+ { PR_6_ORPHAN_PRESENT_NO_FILE,
+ N_("Feature orphan_present is set but feature orphan_file is not.\n"),
+ PROMPT_CLEAR, PR_PREEN_OK },
+
+ /* Orphan file size isn't multiple of blocks size */
+ { PR_6_ORPHAN_FILE_WRONG_SIZE,
+ N_("Orphan file (@i %i) size is not multiple of block size.\n"),
+ PROMPT_NONE, 0 },
+
+ /* Orphan file contains holes */
+ { PR_6_ORPHAN_FILE_HOLE,
+ N_("Orphan file (@i %i) contains hole at @b %b.\n"),
+ PROMPT_NONE, 0 },
+
{ 0 }
};
/* Meta_bg and resize_inode are not compatible, remove resize_inode*/
#define PR_0_DISABLE_RESIZE_INODE 0x000051
+/* Orphan file contains holes */
+#define PR_0_ORPHAN_FILE_HOLE 0x000052
+
+/* Orphan file block has wrong magic */
+#define PR_0_ORPHAN_FILE_BAD_MAGIC 0x000053
+
+/* Orphan file block has wrong checksum */
+#define PR_0_ORPHAN_FILE_BAD_CHECKSUM 0x000054
+
+/* Orphan file size isn't multiple of blocks size */
+#define PR_0_ORPHAN_FILE_WRONG_SIZE 0x000055
+
/*
* Pass 1 errors
*/
/* Htree directory uses SipHash but should not */
#define PR_1_HTREE_CANNOT_SIPHASH 0x01008E
+/* Orphan file inode is not a regular file */
+#define PR_1_ORPHAN_FILE_BAD_MODE 0x01008F
+
+/* Orphan file inode is not in use, but contains data */
+#define PR_1_ORPHAN_FILE_NOT_CLEAR 0x010090
/*
* Pass 1b errors
/* Error updating quota information */
#define PR_6_WRITE_QUOTAS 0x060006
+/* Orphan file without a journal */
+#define PR_6_ORPHAN_FILE_WITHOUT_JOURNAL 0x060007
+
+/* Orphan file truncation failed */
+#define PR_6_ORPHAN_FILE_TRUNC_FAILED 0x060008
+
+/* Failed to initialize orphan file */
+#define PR_6_ORPHAN_FILE_CORRUPTED 0x060009
+
+/* Cannot fix corrupted orphan file with invalid bitmaps */
+#define PR_6_ORPHAN_FILE_BITMAP_INVALID 0x06000A
+
+/* Orphan file creation failed */
+#define PR_6_ORPHAN_FILE_CREATE_FAILED 0x06000B
+
+/* Orphan file block contains data */
+#define PR_6_ORPHAN_BLOCK_DIRTY 0x06000C
+
+/* orphan_present set but orphan file is empty */
+#define PR_6_ORPHAN_PRESENT_CLEAN_FILE 0x06000D
+
+/* orphan_present set but orphan_file is not */
+#define PR_6_ORPHAN_PRESENT_NO_FILE 0x06000E
+
+/* Orphan file size isn't multiple of blocks size */
+#define PR_6_ORPHAN_FILE_WRONG_SIZE 0x06000F
+
+/* Orphan file contains holes */
+#define PR_6_ORPHAN_FILE_HOLE 0x060010
/*
* Function declarations
return pctx.errcode;
}
+static int release_orphan_inode(e2fsck_t ctx, ext2_ino_t *ino, char *block_buf)
+{
+ ext2_filsys fs = ctx->fs;
+ struct problem_context pctx;
+ struct ext2_inode_large inode;
+ ext2_ino_t next_ino;
+
+ e2fsck_read_inode_full(ctx, *ino, EXT2_INODE(&inode),
+ sizeof(inode), "release_orphan_inode");
+ clear_problem_context(&pctx);
+ pctx.ino = *ino;
+ pctx.inode = EXT2_INODE(&inode);
+ pctx.str = inode.i_links_count ? _("Truncating") : _("Clearing");
+
+ fix_problem(ctx, PR_0_ORPHAN_CLEAR_INODE, &pctx);
+
+ next_ino = inode.i_dtime;
+ if (next_ino &&
+ ((next_ino < EXT2_FIRST_INODE(fs->super)) ||
+ (next_ino > fs->super->s_inodes_count))) {
+ pctx.ino = next_ino;
+ fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_INODE, &pctx);
+ return 1;
+ }
+
+ if (release_inode_blocks(ctx, *ino, &inode, block_buf, &pctx))
+ return 1;
+
+ if (!inode.i_links_count) {
+ if (ctx->qctx)
+ quota_data_inodes(ctx->qctx, &inode, *ino, -1);
+ ext2fs_inode_alloc_stats2(fs, *ino, -1,
+ LINUX_S_ISDIR(inode.i_mode));
+ ctx->free_inodes++;
+ inode.i_dtime = ctx->now;
+ } else {
+ inode.i_dtime = 0;
+ }
+ e2fsck_write_inode_full(ctx, *ino, EXT2_INODE(&inode),
+ sizeof(inode), "delete_file");
+ *ino = next_ino;
+ return 0;
+}
+
+struct process_orphan_block_data {
+ e2fsck_t ctx;
+ char *buf;
+ char *block_buf;
+ e2_blkcnt_t blocks;
+ int abort;
+ int clear;
+ errcode_t errcode;
+ ext2_ino_t ino;
+ __u32 generation;
+};
+
+static int process_orphan_block(ext2_filsys fs,
+ blk64_t *block_nr,
+ e2_blkcnt_t blockcnt,
+ blk64_t ref_blk EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *priv_data)
+{
+ struct process_orphan_block_data *pd;
+ e2fsck_t ctx;
+ struct problem_context pctx;
+ blk64_t blk = *block_nr;
+ struct ext4_orphan_block_tail *tail;
+ int j;
+ int inodes_per_ob;
+ __u32 *bdata;
+ ext2_ino_t ino;
+
+ pd = priv_data;
+ ctx = pd->ctx;
+ clear_problem_context(&pctx);
+ pctx.ino = fs->super->s_orphan_file_inum;
+ pctx.blk = blockcnt;
+
+ /* Orphan file must not have holes */
+ if (!blk) {
+ if (blockcnt == pd->blocks)
+ return BLOCK_ABORT;
+ fix_problem(ctx, PR_0_ORPHAN_FILE_HOLE, &pctx);
+return_abort:
+ pd->abort = 1;
+ return BLOCK_ABORT;
+ }
+ inodes_per_ob = ext2fs_inodes_per_orphan_block(fs);
+ pd->errcode = io_channel_read_blk64(fs->io, blk, 1, pd->buf);
+ if (pd->errcode)
+ goto return_abort;
+ tail = ext2fs_orphan_block_tail(fs, pd->buf);
+ if (ext2fs_le32_to_cpu(tail->ob_magic) !=
+ EXT4_ORPHAN_BLOCK_MAGIC) {
+ fix_problem(ctx, PR_0_ORPHAN_FILE_BAD_MAGIC, &pctx);
+ goto return_abort;
+ }
+ if (!ext2fs_orphan_file_block_csum_verify(fs,
+ fs->super->s_orphan_file_inum, blk, pd->buf)) {
+ fix_problem(ctx, PR_0_ORPHAN_FILE_BAD_CHECKSUM, &pctx);
+ goto return_abort;
+ }
+ bdata = (__u32 *)pd->buf;
+ for (j = 0; j < inodes_per_ob; j++) {
+ if (!bdata[j])
+ continue;
+ ino = ext2fs_le32_to_cpu(bdata[j]);
+ if (release_orphan_inode(ctx, &ino, pd->block_buf))
+ goto return_abort;
+ }
+ return 0;
+}
+
+static int process_orphan_file(e2fsck_t ctx, char *block_buf)
+{
+ ext2_filsys fs = ctx->fs;
+ char *orphan_buf;
+ struct process_orphan_block_data pd;
+ int ret = 0;
+ ext2_ino_t orphan_inum = fs->super->s_orphan_file_inum;
+ struct ext2_inode orphan_inode;
+ struct problem_context pctx;
+ errcode_t retval;
+
+ if (!ext2fs_has_feature_orphan_file(fs->super))
+ return 0;
+
+ clear_problem_context(&pctx);
+ pctx.ino = orphan_inum;
+
+ orphan_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 4,
+ "orphan block buffer");
+ retval = ext2fs_read_inode(fs, orphan_inum, &orphan_inode);
+ if (retval < 0) {
+ com_err("process_orphan_file", retval,
+ _("while reading inode %d"), orphan_inum);
+ ret = 1;
+ goto out;
+ }
+ if (EXT2_I_SIZE(&orphan_inode) & (fs->blocksize - 1)) {
+ fix_problem(ctx, PR_0_ORPHAN_FILE_WRONG_SIZE, &pctx);
+ ret = 1;
+ goto out;
+ }
+ pd.buf = orphan_buf + 3 * fs->blocksize;
+ pd.block_buf = block_buf;
+ pd.blocks = EXT2_I_SIZE(&orphan_inode) / fs->blocksize;
+ pd.ctx = ctx;
+ pd.abort = 0;
+ pd.errcode = 0;
+ retval = ext2fs_block_iterate3(fs, orphan_inum,
+ BLOCK_FLAG_DATA_ONLY | BLOCK_FLAG_HOLE,
+ orphan_buf, process_orphan_block, &pd);
+ if (retval) {
+ com_err("process_orphan_block", retval,
+ _("while calling ext2fs_block_iterate for inode %d"),
+ orphan_inum);
+ ret = 1;
+ goto out;
+ }
+ if (pd.abort) {
+ if (pd.errcode) {
+ com_err("process_orphan_block", pd.errcode,
+ _("while reading blocks of inode %d"),
+ orphan_inum);
+ }
+ ret = 1;
+ }
+out:
+ ext2fs_free_mem(&orphan_buf);
+ return ret;
+}
+
/*
* This function releases all of the orphan inodes. It returns 1 if
* it hit some error, and 0 on success.
static int release_orphan_inodes(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
- ext2_ino_t ino, next_ino;
- struct ext2_inode_large inode;
+ ext2_ino_t ino;
struct problem_context pctx;
char *block_buf;
- if ((ino = fs->super->s_last_orphan) == 0)
+ if (fs->super->s_last_orphan == 0 &&
+ !ext2fs_has_feature_orphan_present(fs->super))
return 0;
clear_problem_context(&pctx);
+ ino = fs->super->s_last_orphan;
+ pctx.ino = ino;
pctx.errcode = e2fsck_read_all_quotas(ctx);
if (pctx.errcode) {
fix_problem(ctx, PR_0_QUOTA_INIT_CTX, &pctx);
ext2fs_mark_super_dirty(fs);
/*
- * If the filesystem contains errors, don't run the orphan
- * list, since the orphan list can't be trusted; and we're
- * going to be running a full e2fsck run anyway...
+ * If the filesystem contains errors, don't process the orphan list
+ * or orphan file, since neither can be trusted; and we're going to
+ * be running a full e2fsck run anyway... We clear orphan file contents
+ * after filesystem is checked to avoid clearing someone else's data.
*/
if (fs->super->s_state & EXT2_ERROR_FS) {
if (ctx->qctx)
return 0;
}
- if ((ino < EXT2_FIRST_INODE(fs->super)) ||
- (ino > fs->super->s_inodes_count)) {
- clear_problem_context(&pctx);
- pctx.ino = ino;
+ if (ino && ((ino < EXT2_FIRST_INODE(fs->super)) ||
+ (ino > fs->super->s_inodes_count))) {
fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_HEAD_INODE, &pctx);
goto err_qctx;
}
"block iterate buffer");
e2fsck_read_bitmaps(ctx);
+ /* First process orphan list */
while (ino) {
- e2fsck_read_inode_full(ctx, ino, EXT2_INODE(&inode),
- sizeof(inode), "release_orphan_inodes");
- clear_problem_context(&pctx);
- pctx.ino = ino;
- pctx.inode = EXT2_INODE(&inode);
- pctx.str = inode.i_links_count ? _("Truncating") :
- _("Clearing");
-
- fix_problem(ctx, PR_0_ORPHAN_CLEAR_INODE, &pctx);
-
- next_ino = inode.i_dtime;
- if (next_ino &&
- ((next_ino < EXT2_FIRST_INODE(fs->super)) ||
- (next_ino > fs->super->s_inodes_count))) {
- pctx.ino = next_ino;
- fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_INODE, &pctx);
+ if (release_orphan_inode(ctx, &ino, block_buf))
goto err_buf;
- }
+ }
- if (release_inode_blocks(ctx, ino, &inode, block_buf, &pctx))
- goto err_buf;
+ /* Next process orphan file */
+ if (ext2fs_has_feature_orphan_present(fs->super) &&
+ !ext2fs_has_feature_orphan_file(fs->super))
+ goto err_buf;
+ if (process_orphan_file(ctx, block_buf))
+ goto err_buf;
- if (!inode.i_links_count) {
- if (ctx->qctx)
- quota_data_inodes(ctx->qctx, &inode, ino, -1);
- ext2fs_inode_alloc_stats2(fs, ino, -1,
- LINUX_S_ISDIR(inode.i_mode));
- ctx->free_inodes++;
- inode.i_dtime = ctx->now;
- } else {
- inode.i_dtime = 0;
- }
- e2fsck_write_inode_full(ctx, ino, EXT2_INODE(&inode),
- sizeof(inode), "delete_file");
- ino = next_ino;
- }
ext2fs_free_mem(&block_buf);
pctx.errcode = e2fsck_write_all_quotas(ctx);
if (pctx.errcode)
return 1;
}
+static int reinit_orphan_block(ext2_filsys fs,
+ blk64_t *block_nr,
+ e2_blkcnt_t blockcnt,
+ blk64_t ref_blk EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *priv_data)
+{
+ struct process_orphan_block_data *pd;
+ e2fsck_t ctx;
+ blk64_t blk = *block_nr;
+ struct problem_context pctx;
+
+ pd = priv_data;
+ ctx = pd->ctx;
+
+ /* Orphan file must not have holes */
+ if (!blk) {
+ if (blockcnt == pd->blocks)
+ return BLOCK_ABORT;
+
+ clear_problem_context(&pctx);
+ pctx.ino = fs->super->s_orphan_file_inum;
+ pctx.blk = blockcnt;
+ fix_problem(ctx, PR_6_ORPHAN_FILE_HOLE, &pctx);
+return_abort:
+ pd->abort = 1;
+ return BLOCK_ABORT;
+ }
+
+ if (ext2fs_has_feature_metadata_csum(fs->super)) {
+ struct ext4_orphan_block_tail *tail;
+
+ tail = ext2fs_orphan_block_tail(fs, pd->buf);
+ /*
+ * Update checksum to match expected buffer contents with
+ * appropriate block number.
+ */
+ tail->ob_checksum = ext2fs_do_orphan_file_block_csum(fs,
+ pd->ino, pd->generation, blk, pd->buf);
+ }
+ if (!pd->clear) {
+ pd->errcode = io_channel_read_blk64(fs->io, blk, 1,
+ pd->block_buf);
+ /* Block is already cleanly initialized? */
+ if (!memcmp(pd->block_buf, pd->buf, fs->blocksize))
+ return 0;
+
+ clear_problem_context(&pctx);
+ pctx.ino = fs->super->s_orphan_file_inum;
+ pctx.blk = blockcnt;
+ if (!fix_problem(ctx, PR_6_ORPHAN_BLOCK_DIRTY, &pctx))
+ goto return_abort;
+ pd->clear = 1;
+ }
+ pd->errcode = io_channel_write_blk64(fs->io, blk, 1, pd->buf);
+ if (pd->errcode)
+ goto return_abort;
+ return 0;
+}
+
+/*
+ * Check and clear orphan file. We just return non-zero if we hit some
+ * inconsistency. Caller will truncate & recreate new orphan file.
+ */
+int check_init_orphan_file(e2fsck_t ctx)
+{
+ ext2_filsys fs = ctx->fs;
+ char *orphan_buf;
+ struct process_orphan_block_data pd;
+ struct ext4_orphan_block_tail *tail;
+ ext2_ino_t orphan_inum = fs->super->s_orphan_file_inum;
+ struct ext2_inode orphan_inode;
+ int ret = 0;
+ errcode_t retval;
+
+ orphan_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 5,
+ "orphan block buffer");
+ e2fsck_read_inode(ctx, orphan_inum, &orphan_inode, "orphan inode");
+ if (EXT2_I_SIZE(&orphan_inode) & (fs->blocksize - 1)) {
+ struct problem_context pctx;
+
+ clear_problem_context(&pctx);
+ pctx.ino = orphan_inum;
+ fix_problem(ctx, PR_6_ORPHAN_FILE_WRONG_SIZE, &pctx);
+ ret = 1;
+ goto out;
+ }
+ pd.buf = orphan_buf + 3 * fs->blocksize;
+ pd.block_buf = orphan_buf + 4 * fs->blocksize;
+ pd.blocks = EXT2_I_SIZE(&orphan_inode) / fs->blocksize;
+ pd.ctx = ctx;
+ pd.abort = 0;
+ pd.clear = 0;
+ pd.errcode = 0;
+ pd.ino = orphan_inum;
+ pd.generation = orphan_inode.i_generation;
+ /* Initialize buffer to write */
+ memset(pd.buf, 0, fs->blocksize);
+ tail = ext2fs_orphan_block_tail(fs, pd.buf);
+ tail->ob_magic = ext2fs_cpu_to_le32(EXT4_ORPHAN_BLOCK_MAGIC);
+
+ retval = ext2fs_block_iterate3(fs, orphan_inum,
+ BLOCK_FLAG_DATA_ONLY | BLOCK_FLAG_HOLE,
+ orphan_buf, reinit_orphan_block, &pd);
+ if (retval) {
+ com_err("reinit_orphan_block", retval,
+ _("while calling ext2fs_block_iterate for inode %d"),
+ orphan_inum);
+ ret = 1;
+ goto out;
+ }
+ if (pd.abort) {
+ if (pd.errcode) {
+ com_err("process_orphan_block", pd.errcode,
+ _("while reading blocks of inode %d"),
+ orphan_inum);
+ }
+ ret = 1;
+ }
+
+ /* We had to clear some blocks. Report it up. */
+ if (ret == 0 && pd.clear)
+ ret = 2;
+out:
+ ext2fs_free_mem(&orphan_buf);
+ return ret;
+}
+
/*
* Check the resize inode to make sure it is sane. We check both for
* the case where on-line resizing is not enabled (in which case the
_("\n*** journal has been regenerated ***\n"));
}
}
-no_journal:
+no_journal:
if (run_result & E2F_FLAG_ABORT) {
fatal_error(ctx, _("aborted"));
} else if (run_result & E2F_FLAG_CANCEL) {
log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ?
ctx->device_name : ctx->filesystem_name);
exit_value |= FSCK_CANCELED;
- } else if (ctx->qctx && !ctx->invalid_bitmaps) {
+ goto cleanup;
+ }
+
+ if (ext2fs_has_feature_orphan_file(fs->super)) {
+ int ret;
+
+ /* No point in orphan file without a journal... */
+ if (!ext2fs_has_feature_journal(fs->super) &&
+ fix_problem(ctx, PR_6_ORPHAN_FILE_WITHOUT_JOURNAL, &pctx)) {
+ retval = ext2fs_truncate_orphan_file(fs);
+ if (retval) {
+ /* Huh, failed to delete file */
+ fix_problem(ctx, PR_6_ORPHAN_FILE_TRUNC_FAILED,
+ &pctx);
+ goto check_quotas;
+ }
+ ext2fs_clear_feature_orphan_file(fs->super);
+ ext2fs_mark_super_dirty(fs);
+ goto check_quotas;
+ }
+ ret = check_init_orphan_file(ctx);
+ if (ret == 2 ||
+ (ret == 0 && ext2fs_has_feature_orphan_present(fs->super) &&
+ fix_problem(ctx, PR_6_ORPHAN_PRESENT_CLEAN_FILE, &pctx))) {
+ ext2fs_clear_feature_orphan_present(fs->super);
+ ext2fs_mark_super_dirty(fs);
+ } else if (ret == 1 &&
+ fix_problem(ctx, PR_6_ORPHAN_FILE_CORRUPTED, &pctx)) {
+ int orphan_file_blocks;
+
+ if (ctx->invalid_bitmaps) {
+ fix_problem(ctx,
+ PR_6_ORPHAN_FILE_BITMAP_INVALID,
+ &pctx);
+ goto check_quotas;
+ }
+
+ retval = ext2fs_truncate_orphan_file(fs);
+ if (retval) {
+ /* Huh, failed to truncate file */
+ fix_problem(ctx, PR_6_ORPHAN_FILE_TRUNC_FAILED,
+ &pctx);
+ goto check_quotas;
+ }
+
+ orphan_file_blocks =
+ ext2fs_default_orphan_file_blocks(fs);
+ log_out(ctx, _("Creating orphan file (%d blocks): "),
+ orphan_file_blocks);
+ fflush(stdout);
+ retval = ext2fs_create_orphan_file(fs,
+ orphan_file_blocks);
+ if (retval) {
+ log_out(ctx, "%s: while trying to create "
+ "orphan file\n", error_message(retval));
+ fix_problem(ctx, PR_6_ORPHAN_FILE_CREATE_FAILED,
+ &pctx);
+ goto check_quotas;
+ }
+ log_out(ctx, "%s", _(" Done.\n"));
+ }
+ } else if (ext2fs_has_feature_orphan_present(fs->super) &&
+ fix_problem(ctx, PR_6_ORPHAN_PRESENT_NO_FILE, &pctx)) {
+ ext2fs_clear_feature_orphan_present(fs->super);
+ ext2fs_mark_super_dirty(fs);
+ }
+check_quotas:
+ if (ctx->qctx && !ctx->invalid_bitmaps) {
int needs_writeout;
for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
goto restart;
}
+cleanup:
#ifdef MTRACE
mtrace_print("Cleanup");
#endif
"fast_commit" },
{ E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_STABLE_INODES,
"stable_inodes" },
+ { E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_ORPHAN_FILE,
+ "orphan_file" },
{ E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER,
"sparse_super" },
"shared_blocks"},
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_VERITY,
"verity"},
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT,
+ "orphan_present" },
{ E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_COMPRESSION,
"compression" },
if (ext2fs_has_feature_casefold(sb))
fprintf(f, "Character encoding: %s\n",
e2p_encoding2str(sb->s_encoding));
+ if (ext2fs_has_feature_orphan_file(sb))
+ fprintf(f, "Orphan file inode: %u\n",
+ sb->s_orphan_file_inum);
}
void list_super (struct ext2_super_block * s)
newdir.o \
nls_utf8.o \
openfs.o \
+ orphan.o \
progress.o \
punch.o \
qcow2.o \
$(srcdir)/newdir.c \
$(srcdir)/nls_utf8.c \
$(srcdir)/openfs.c \
+ $(srcdir)/orphan.c \
$(srcdir)/progress.c \
$(srcdir)/punch.c \
$(srcdir)/qcow2.c \
__u8 s_last_error_errcode;
/*27c*/ __le16 s_encoding; /* Filename charset encoding */
__le16 s_encoding_flags; /* Filename charset encoding flags */
- __le32 s_reserved[95]; /* Padding to the end of the block */
+ __le32 s_orphan_file_inum; /* Inode for tracking orphan inodes */
+ __le32 s_reserved[94]; /* Padding to the end of the block */
/*3fc*/ __u32 s_checksum; /* crc32c(superblock) */
};
#define EXT4_FEATURE_COMPAT_SPARSE_SUPER2 0x0200
#define EXT4_FEATURE_COMPAT_FAST_COMMIT 0x0400
#define EXT4_FEATURE_COMPAT_STABLE_INODES 0x0800
-
+#define EXT4_FEATURE_COMPAT_ORPHAN_FILE 0x1000
#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
#define EXT4_FEATURE_RO_COMPAT_PROJECT 0x2000 /* Project quota */
#define EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS 0x4000
#define EXT4_FEATURE_RO_COMPAT_VERITY 0x8000
+#define EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT 0x10000
#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001
#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002
EXT4_FEATURE_COMPAT_FUNCS(sparse_super2, 4, SPARSE_SUPER2)
EXT4_FEATURE_COMPAT_FUNCS(fast_commit, 4, FAST_COMMIT)
EXT4_FEATURE_COMPAT_FUNCS(stable_inodes, 4, STABLE_INODES)
+EXT4_FEATURE_COMPAT_FUNCS(orphan_file, 4, ORPHAN_FILE)
EXT4_FEATURE_RO_COMPAT_FUNCS(sparse_super, 2, SPARSE_SUPER)
EXT4_FEATURE_RO_COMPAT_FUNCS(large_file, 2, LARGE_FILE)
EXT4_FEATURE_RO_COMPAT_FUNCS(project, 4, PROJECT)
EXT4_FEATURE_RO_COMPAT_FUNCS(shared_blocks, 4, SHARED_BLOCKS)
EXT4_FEATURE_RO_COMPAT_FUNCS(verity, 4, VERITY)
+EXT4_FEATURE_RO_COMPAT_FUNCS(orphan_present, 4, ORPHAN_PRESENT)
EXT4_FEATURE_INCOMPAT_FUNCS(compression, 2, COMPRESSION)
EXT4_FEATURE_INCOMPAT_FUNCS(filetype, 2, FILETYPE)
return rec_len;
}
+#define EXT4_ORPHAN_BLOCK_MAGIC 0x0b10ca04
+
+/* Structure at the tail of orphan block */
+struct ext4_orphan_block_tail {
+ __u32 ob_magic;
+ __u32 ob_checksum;
+};
+
/*
* Constants for ext4's extended time encoding
*/
EXT2_FEATURE_COMPAT_EXT_ATTR|\
EXT4_FEATURE_COMPAT_SPARSE_SUPER2|\
EXT4_FEATURE_COMPAT_FAST_COMMIT|\
- EXT4_FEATURE_COMPAT_STABLE_INODES)
+ EXT4_FEATURE_COMPAT_STABLE_INODES|\
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE)
#ifdef CONFIG_MMP
#define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP
EXT4_FEATURE_RO_COMPAT_READONLY |\
EXT4_FEATURE_RO_COMPAT_PROJECT |\
EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS |\
- EXT4_FEATURE_RO_COMPAT_VERITY)
+ EXT4_FEATURE_RO_COMPAT_VERITY |\
+ EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT)
/*
* These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed
ext2_ino_t inum);
errcode_t ext2fs_xattrs_write(struct ext2_xattr_handle *handle);
errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle);
+errcode_t ext2fs_xattrs_read_inode(struct ext2_xattr_handle *handle,
+ struct ext2_inode_large *inode);
errcode_t ext2fs_xattrs_iterate(struct ext2_xattr_handle *h,
int (*func)(char *name, char *value,
size_t value_len, void *data),
errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io);
errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io);
+/* orphan.c */
+extern errcode_t ext2fs_create_orphan_file(ext2_filsys fs, blk_t num_blocks);
+extern errcode_t ext2fs_truncate_orphan_file(ext2_filsys fs);
+extern e2_blkcnt_t ext2fs_default_orphan_file_blocks(ext2_filsys fs);
+extern __u32 ext2fs_do_orphan_file_block_csum(ext2_filsys fs, ext2_ino_t ino,
+ __u32 gen, blk64_t blk,
+ char *buf);
+extern errcode_t ext2fs_orphan_file_block_csum_set(ext2_filsys fs,
+ ext2_ino_t ino, blk64_t blk,
+ char *buf);
+extern int ext2fs_orphan_file_block_csum_verify(ext2_filsys fs, ext2_ino_t ino,
+ blk64_t blk, char *buf);
+
/* get_pathname.c */
extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino,
char **name);
extern void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type);
extern struct ext2_inode *ext2fs_inode(struct ext2_inode_large * large_inode);
extern const struct ext2_inode *ext2fs_const_inode(const struct ext2_inode_large * large_inode);
-
+extern int ext2fs_inodes_per_orphan_block(ext2_filsys fs);
+extern struct ext4_orphan_block_tail *ext2fs_orphan_block_tail(ext2_filsys fs,
+ char *buf);
#endif
/*
return (const struct ext2_inode *) large_inode;
}
+_INLINE_ int ext2fs_inodes_per_orphan_block(ext2_filsys fs)
+{
+ return (fs->blocksize - sizeof(struct ext4_orphan_block_tail)) /
+ sizeof(__u32);
+}
+
+_INLINE_ struct ext4_orphan_block_tail *
+ext2fs_orphan_block_tail(ext2_filsys fs, char *buf)
+{
+ return (struct ext4_orphan_block_tail *)(buf + fs->blocksize -
+ sizeof(struct ext4_orphan_block_tail));
+}
+
#undef _INLINE_
#endif
h->ibody_count = 0;
}
-errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle)
+/* fetch xattrs from an already-loaded inode */
+errcode_t ext2fs_xattrs_read_inode(struct ext2_xattr_handle *handle,
+ struct ext2_inode_large *inode)
{
- struct ext2_inode_large *inode;
+
struct ext2_ext_attr_header *header;
__u32 ea_inode_magic;
unsigned int storage_size;
char *start, *block_buf = NULL;
blk64_t blk;
size_t i;
- errcode_t err;
+ errcode_t err = 0;
EXT2_CHECK_MAGIC(handle, EXT2_ET_MAGIC_EA_HANDLE);
- i = EXT2_INODE_SIZE(handle->fs->super);
- if (i < sizeof(*inode))
- i = sizeof(*inode);
- err = ext2fs_get_memzero(i, &inode);
- if (err)
- return err;
-
- err = ext2fs_read_inode_full(handle->fs, handle->ino,
- (struct ext2_inode *)inode,
- EXT2_INODE_SIZE(handle->fs->super));
- if (err)
- goto out;
xattrs_free_keys(handle);
read_ea_block:
/* Look for EA in a separate EA block */
- blk = ext2fs_file_acl_block(handle->fs, (struct ext2_inode *)inode);
+ blk = ext2fs_file_acl_block(handle->fs, EXT2_INODE(inode));
if (blk != 0) {
if ((blk < handle->fs->super->s_first_data_block) ||
(blk >= ext2fs_blocks_count(handle->fs->super))) {
err = read_xattrs_from_buffer(handle, inode,
(struct ext2_ext_attr_entry *) start,
storage_size, block_buf);
- if (err)
- goto out3;
+ }
+out3:
+ if (block_buf)
ext2fs_free_mem(&block_buf);
- }
+out:
+ return err;
+}
- ext2fs_free_mem(&block_buf);
- ext2fs_free_mem(&inode);
- return 0;
+errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle)
+{
+ struct ext2_inode_large *inode;
+ size_t inode_size = EXT2_INODE_SIZE(handle->fs->super);
+ errcode_t err;
+
+ EXT2_CHECK_MAGIC(handle, EXT2_ET_MAGIC_EA_HANDLE);
+
+ if (inode_size < sizeof(*inode))
+ inode_size = sizeof(*inode);
+ err = ext2fs_get_memzero(inode_size, &inode);
+ if (err)
+ return err;
+
+ err = ext2fs_read_inode_full(handle->fs, handle->ino, EXT2_INODE(inode),
+ EXT2_INODE_SIZE(handle->fs->super));
+ if (err)
+ goto out;
+
+ err = ext2fs_xattrs_read_inode(handle, inode);
-out3:
- ext2fs_free_mem(&block_buf);
out:
ext2fs_free_mem(&inode);
+
return err;
}
--- /dev/null
+/*
+ * orphan.c --- utility function to handle orphan file
+ *
+ * Copyright (C) 2015 Jan Kara.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <string.h>
+
+#include "ext2_fs.h"
+#include "ext2fsP.h"
+
+errcode_t ext2fs_truncate_orphan_file(ext2_filsys fs)
+{
+ struct ext2_inode inode;
+ errcode_t err;
+ ext2_ino_t ino = fs->super->s_orphan_file_inum;
+
+ err = ext2fs_read_inode(fs, ino, &inode);
+ if (err)
+ return err;
+
+ err = ext2fs_punch(fs, ino, &inode, NULL, 0, ~0ULL);
+ if (err)
+ return err;
+
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ memset(&inode, 0, sizeof(struct ext2_inode));
+ err = ext2fs_write_inode(fs, ino, &inode);
+
+ ext2fs_clear_feature_orphan_file(fs->super);
+ ext2fs_clear_feature_orphan_present(fs->super);
+ ext2fs_mark_super_dirty(fs);
+ /* Need to update group descriptors as well */
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+
+ return err;
+}
+
+__u32 ext2fs_do_orphan_file_block_csum(ext2_filsys fs, ext2_ino_t ino,
+ __u32 gen, blk64_t blk, char *buf)
+{
+ int inodes_per_ob = ext2fs_inodes_per_orphan_block(fs);
+ __u32 crc;
+
+ ino = ext2fs_cpu_to_le32(ino);
+ gen = ext2fs_cpu_to_le32(gen);
+ blk = ext2fs_cpu_to_le64(blk);
+ crc = ext2fs_crc32c_le(fs->csum_seed, (unsigned char *)&ino,
+ sizeof(ino));
+ crc = ext2fs_crc32c_le(crc, (unsigned char *)&gen, sizeof(gen));
+ crc = ext2fs_crc32c_le(crc, (unsigned char *)&blk, sizeof(blk));
+ crc = ext2fs_crc32c_le(crc, (unsigned char *)buf,
+ inodes_per_ob * sizeof(__u32));
+
+ return ext2fs_cpu_to_le32(crc);
+}
+
+struct mkorphan_info {
+ char *buf;
+ char *zerobuf;
+ blk_t num_blocks;
+ blk_t alloc_blocks;
+ blk64_t last_blk;
+ errcode_t err;
+ ino_t ino;
+ __u32 generation;
+};
+
+static int mkorphan_proc(ext2_filsys fs,
+ blk64_t *blocknr,
+ e2_blkcnt_t blockcnt,
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *priv_data)
+{
+ struct mkorphan_info *oi = (struct mkorphan_info *)priv_data;
+ blk64_t new_blk;
+ errcode_t err;
+
+ /* Can we just continue in currently allocated cluster? */
+ if (blockcnt &&
+ EXT2FS_B2C(fs, oi->last_blk) == EXT2FS_B2C(fs, oi->last_blk + 1)) {
+ new_blk = oi->last_blk + 1;
+ } else {
+ err = ext2fs_new_block2(fs, oi->last_blk, 0, &new_blk);
+ if (err) {
+ oi->err = err;
+ return BLOCK_ABORT;
+ }
+ ext2fs_block_alloc_stats2(fs, new_blk, +1);
+ oi->alloc_blocks++;
+ }
+ if (blockcnt >= 0) {
+ if (ext2fs_has_feature_metadata_csum(fs->super)) {
+ struct ext4_orphan_block_tail *tail;
+
+ tail = ext2fs_orphan_block_tail(fs, oi->buf);
+ tail->ob_checksum = ext2fs_do_orphan_file_block_csum(fs,
+ oi->ino, oi->generation, new_blk, oi->buf);
+ }
+ err = io_channel_write_blk64(fs->io, new_blk, 1, oi->buf);
+ } else /* zerobuf is used to initialize new indirect blocks... */
+ err = io_channel_write_blk64(fs->io, new_blk, 1, oi->zerobuf);
+ if (err) {
+ oi->err = err;
+ return BLOCK_ABORT;
+ }
+ oi->last_blk = new_blk;
+ *blocknr = new_blk;
+ if (blockcnt >= 0 && --oi->num_blocks == 0)
+ return BLOCK_CHANGED | BLOCK_ABORT;
+ return BLOCK_CHANGED;
+}
+
+errcode_t ext2fs_create_orphan_file(ext2_filsys fs, blk_t num_blocks)
+{
+ struct ext2_inode inode;
+ ext2_ino_t ino = fs->super->s_orphan_file_inum;
+ errcode_t err;
+ char *buf = NULL, *zerobuf = NULL;
+ struct mkorphan_info oi;
+ struct ext4_orphan_block_tail *ob_tail;
+
+ if (!ino) {
+ err = ext2fs_new_inode(fs, EXT2_ROOT_INO, LINUX_S_IFREG | 0600,
+ 0, &ino);
+ if (err)
+ return err;
+ ext2fs_inode_alloc_stats2(fs, ino, +1, 0);
+ ext2fs_mark_ib_dirty(fs);
+ }
+
+ err = ext2fs_read_inode(fs, ino, &inode);
+ if (err)
+ return err;
+ if (EXT2_I_SIZE(&inode)) {
+ err = ext2fs_truncate_orphan_file(fs);
+ if (err)
+ return err;
+ }
+
+ memset(&inode, 0, sizeof(struct ext2_inode));
+ if (ext2fs_has_feature_extents(fs->super)) {
+ inode.i_flags |= EXT4_EXTENTS_FL;
+ err = ext2fs_write_inode(fs, ino, &inode);
+ if (err)
+ return err;
+ }
+
+ err = ext2fs_get_mem(fs->blocksize, &buf);
+ if (err)
+ return err;
+ err = ext2fs_get_mem(fs->blocksize, &zerobuf);
+ if (err)
+ goto out;
+ memset(buf, 0, fs->blocksize);
+ memset(zerobuf, 0, fs->blocksize);
+ ob_tail = ext2fs_orphan_block_tail(fs, buf);
+ ob_tail->ob_magic = ext2fs_cpu_to_le32(EXT4_ORPHAN_BLOCK_MAGIC);
+ oi.num_blocks = num_blocks;
+ oi.alloc_blocks = 0;
+ oi.last_blk = 0;
+ oi.generation = inode.i_generation;
+ oi.ino = ino;
+ oi.buf = buf;
+ oi.zerobuf = zerobuf;
+ oi.err = 0;
+ err = ext2fs_block_iterate3(fs, ino, BLOCK_FLAG_APPEND,
+ 0, mkorphan_proc, &oi);
+ if (err)
+ goto out;
+ if (oi.err) {
+ err = oi.err;
+ goto out;
+ }
+
+ /* Reread inode after blocks were allocated */
+ err = ext2fs_read_inode(fs, ino, &inode);
+ if (err)
+ goto out;
+ ext2fs_iblk_set(fs, &inode, 0);
+ inode.i_atime = inode.i_mtime =
+ inode.i_ctime = fs->now ? fs->now : time(0);
+ inode.i_links_count = 1;
+ inode.i_mode = LINUX_S_IFREG | 0600;
+ ext2fs_iblk_add_blocks(fs, &inode, oi.alloc_blocks);
+ err = ext2fs_inode_size_set(fs, &inode,
+ (unsigned long long)fs->blocksize * num_blocks);
+ if (err)
+ goto out;
+ err = ext2fs_write_new_inode(fs, ino, &inode);
+ if (err)
+ goto out;
+
+ fs->super->s_orphan_file_inum = ino;
+ ext2fs_set_feature_orphan_file(fs->super);
+ ext2fs_mark_super_dirty(fs);
+ /* Need to update group descriptors as well */
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+out:
+ if (buf)
+ ext2fs_free_mem(&buf);
+ if (zerobuf)
+ ext2fs_free_mem(&zerobuf);
+ return err;
+}
+
+/*
+ * Find reasonable size for orphan file. We choose orphan file size to be
+ * between 32 and 512 filesystem blocks and not more than 1/4096 of the
+ * filesystem unless it is really small.
+ */
+e2_blkcnt_t ext2fs_default_orphan_file_blocks(ext2_filsys fs)
+{
+ __u64 num_blocks = ext2fs_blocks_count(fs->super);
+ e2_blkcnt_t blks = 512;
+
+ if (num_blocks < 128 * 1024)
+ blks = 32;
+ else if (num_blocks < 2 * 1024 * 1024)
+ blks = num_blocks / 4096;
+ return (blks + EXT2FS_CLUSTER_MASK(fs)) & ~EXT2FS_CLUSTER_MASK(fs);
+}
+
+static errcode_t ext2fs_orphan_file_block_csum(ext2_filsys fs, ext2_ino_t ino,
+ blk64_t blk, char *buf,
+ __u32 *crcp)
+{
+ struct ext2_inode inode;
+ errcode_t retval;
+
+ retval = ext2fs_read_inode(fs, ino, &inode);
+ if (retval)
+ return retval;
+ *crcp = ext2fs_do_orphan_file_block_csum(fs, ino, inode.i_generation,
+ blk, buf);
+ return 0;
+}
+
+errcode_t ext2fs_orphan_file_block_csum_set(ext2_filsys fs, ext2_ino_t ino,
+ blk64_t blk, char *buf)
+{
+ struct ext4_orphan_block_tail *tail;
+
+ if (!ext2fs_has_feature_metadata_csum(fs->super))
+ return 0;
+
+ tail = ext2fs_orphan_block_tail(fs, buf);
+ return ext2fs_orphan_file_block_csum(fs, ino, blk, buf,
+ &tail->ob_checksum);
+}
+
+int ext2fs_orphan_file_block_csum_verify(ext2_filsys fs, ext2_ino_t ino,
+ blk64_t blk, char *buf)
+{
+ struct ext4_orphan_block_tail *tail;
+ __u32 crc;
+ errcode_t retval;
+
+ if (!ext2fs_has_feature_metadata_csum(fs->super))
+ return 1;
+ retval = ext2fs_orphan_file_block_csum(fs, ino, blk, buf, &crc);
+ if (retval)
+ return 0;
+ tail = ext2fs_orphan_block_tail(fs, buf);
+ return ext2fs_le32_to_cpu(tail->ob_checksum) == crc;
+}
/* s_*_time_hi are __u8 and does not need swabbing */
sb->s_encoding = ext2fs_swab16(sb->s_encoding);
sb->s_encoding_flags = ext2fs_swab16(sb->s_encoding_flags);
+ sb->s_orphan_file_inum = ext2fs_swab32(sb->s_orphan_file_inum);
/* catch when new fields are used from s_reserved */
- EXT2FS_BUILD_BUG_ON(sizeof(sb->s_reserved) != 95 * sizeof(__le32));
+ EXT2FS_BUILD_BUG_ON(sizeof(sb->s_reserved) != 94 * sizeof(__le32));
sb->s_checksum = ext2fs_swab32(sb->s_checksum);
}
check_field(s_last_error_errcode, 1);
check_field(s_encoding, 2);
check_field(s_encoding_flags, 2);
- check_field(s_reserved, 95 * 4);
+ check_field(s_orphan_file_inum, 4);
+ check_field(s_reserved, 94 * 4);
check_field(s_checksum, 4);
do_field("Superblock end", 0, 0, cur_offset, 1024);
#endif
continue;
if (ino == EXT2_ROOT_INO ||
(ino >= EXT2_FIRST_INODE(fs->super) &&
- ino != quota_type2inum(PRJQUOTA, fs->super))) {
+ ino != quota_type2inum(PRJQUOTA, fs->super) &&
+ ino != fs->super->s_orphan_file_inum)) {
space = ext2fs_get_stat_i_blocks(fs,
EXT2_INODE(inode)) << 9;
quota_data_add(qctx, inode, ino, space);
ino == fs->super->s_journal_inum ||
ino == quota_type2inum(USRQUOTA, fs->super) ||
ino == quota_type2inum(GRPQUOTA, fs->super) ||
- ino == quota_type2inum(PRJQUOTA, fs->super)) {
+ ino == quota_type2inum(PRJQUOTA, fs->super) ||
+ ino == fs->super->s_orphan_file_inum) {
retval = ext2fs_block_iterate3(fs, ino,
BLOCK_FLAG_READ_ONLY, block_buf,
process_dir_block, &pb);
entirely one time. If the option value is omitted, it defaults to 1 to
enable lazy journal inode zeroing.
.TP
+.B assume_storage_prezeroed\fR[\fB= \fI<0 to disable, 1 to enable>\fR]
+If enabled,
+.BR mke2fs
+assumes that the storage device has been prezeroed, skips zeroing the journal
+and inode tables, and annotates the block group flags to signal that the inode
+table has been zeroed.
+.TP
.B no_copy_xattrs
Normally
.B mke2fs
Set a flag in the file system superblock indicating that it may be
mounted using experimental kernel code, such as the ext4dev file system.
.TP
+.BI orphan_file_size= size
+Set size of the file for tracking unlinked but still open inodes and inodes
+with truncate in progress. Larger file allows for better scalability, reserving
+a few blocks per cpu is ideal.
+.TP
.B discard
Attempt to discard blocks at mkfs time (discarding blocks initially is useful
on solid state devices and sparse / thin-provisioned storage). When the device
int journal_size;
int journal_flags;
int journal_fc_size;
+static e2_blkcnt_t orphan_file_blocks;
static int lazy_itable_init;
+static int assume_storage_prezeroed;
static int packed_meta_blocks;
int no_copy_xattrs;
static char *bad_blocks_filename = NULL;
lazy_itable_init = strtoul(arg, &p, 0);
else
lazy_itable_init = 1;
+ } else if (!strcmp(token, "assume_storage_prezeroed")) {
+ if (arg)
+ assume_storage_prezeroed = strtoul(arg, &p, 0);
+ else
+ assume_storage_prezeroed = 1;
} else if (!strcmp(token, "lazy_journal_init")) {
if (arg)
journal_flags |= strtoul(arg, &p, 0) ?
continue;
}
encoding_flags = arg;
+ } else if (!strcmp(token, "orphan_file_size")) {
+ if (!arg) {
+ r_usage++;
+ badopt = token;
+ continue;
+ }
+ orphan_file_blocks = parse_num_blocks2(arg,
+ fs_param.s_log_block_size);
+ if (orphan_file_blocks == 0) {
+ fprintf(stderr,
+ _("Invalid size of orphan file %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
} else {
r_usage++;
badopt = token;
"\tnodiscard\n"
"\tencoding=<encoding>\n"
"\tencoding_flags=<flags>\n"
- "\tquotatype=<quota type(s) to be enabled>\n\n"),
+ "\tquotatype=<quota type(s) to be enabled>\n"
+ "\tassume_storage_prezeroed=<0 to disable, 1 to enable>\n\n"),
badopt ? badopt : "");
free(buf);
exit(1);
EXT2_FEATURE_COMPAT_EXT_ATTR |
EXT4_FEATURE_COMPAT_SPARSE_SUPER2 |
EXT4_FEATURE_COMPAT_FAST_COMMIT |
- EXT4_FEATURE_COMPAT_STABLE_INODES,
+ EXT4_FEATURE_COMPAT_STABLE_INODES |
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE,
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE|
EXT3_FEATURE_INCOMPAT_EXTENTS|
int lsector_size = 0, psector_size = 0;
int show_version_only = 0, is_device = 0;
unsigned long long num_inodes = 0; /* unsigned long long to catch too-large input */
+ int default_orphan_file = 0;
errcode_t retval;
char * oldpath = getenv("PATH");
char * extended_opts = 0;
ext2fs_clear_feature_ea_inode(&fs_param);
ext2fs_clear_feature_casefold(&fs_param);
}
- edit_feature(fs_features ? fs_features : tmp,
- &fs_param.s_feature_compat);
+ if (!fs_features && tmp)
+ edit_feature(tmp, &fs_param.s_feature_compat);
+ /*
+ * Now all the defaults are incorporated in fs_param. Check the state
+ * of orphan_file feature so that we know whether we should silently
+ * disabled in case journal gets disabled.
+ */
+ if (ext2fs_has_feature_orphan_file(&fs_param))
+ default_orphan_file = 1;
+ if (fs_features)
+ edit_feature(fs_features, &fs_param.s_feature_compat);
+ /* Silently disable orphan_file if user chose fs without journal */
+ if (default_orphan_file && !ext2fs_has_feature_journal(&fs_param))
+ ext2fs_clear_feature_orphan_file(&fs_param);
if (tmp)
free(tmp);
(void) ext2fs_free_mem(&fs_features);
io_channel_set_options(fs->io, opt_string);
}
+ if (assume_storage_prezeroed) {
+ if (verbose)
+ printf("%s",
+ _("Assuming the storage device is prezeroed "
+ "- skipping inode table and journal wipe\n"));
+
+ lazy_itable_init = 1;
+ itable_zeroed = 1;
+ zero_hugefile = 0;
+ journal_flags |= EXT2_MKJOURNAL_LAZYINIT;
+ }
+
/* Can't undo discard ... */
if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
retval = mke2fs_discard_device(fs);
fix_cluster_bg_counts(fs);
if (ext2fs_has_feature_quota(&fs_param))
create_quota_inodes(fs);
+ if (ext2fs_has_feature_orphan_file(&fs_param)) {
+ if (!ext2fs_has_feature_journal(&fs_param)) {
+ com_err(program_name, 0, _("cannot set orphan_file "
+ "feature without a journal."));
+ exit(1);
+ }
+ if (!orphan_file_blocks) {
+ orphan_file_blocks =
+ ext2fs_default_orphan_file_blocks(fs);
+ }
+ retval = ext2fs_create_orphan_file(fs, orphan_file_blocks);
+ if (retval) {
+ com_err(program_name, retval,
+ _("while creating orphan file"));
+ exit(1);
+ }
+ }
retval = mk_hugefiles(fs, device_name);
if (retval)
This superblock setting is only honored in 2.6.35+ kernels;
and not at all by the ext2 and ext3 file system drivers.
.TP
+.BI orphan_file_size= size
+Set size of the file for tracking unlinked but still open inodes and inodes
+with truncate in progress. Larger file allows for better scalability, reserving
+a few blocks per cpu is ideal.
+.TP
.B force_fsck
Set a flag in the file system superblock indicating that errors have been found.
This will force fsck to run at the next mount.
int journal_size, journal_fc_size, journal_flags;
char *journal_device;
static blk64_t journal_location = ~0LL;
+static e2_blkcnt_t orphan_file_blocks;
static struct list_head blk_move_list;
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
EXT2_FEATURE_COMPAT_DIR_INDEX |
EXT4_FEATURE_COMPAT_FAST_COMMIT |
- EXT4_FEATURE_COMPAT_STABLE_INODES,
+ EXT4_FEATURE_COMPAT_STABLE_INODES |
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE,
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE |
EXT3_FEATURE_INCOMPAT_EXTENTS |
EXT3_FEATURE_COMPAT_HAS_JOURNAL |
EXT2_FEATURE_COMPAT_RESIZE_INODE |
EXT2_FEATURE_COMPAT_DIR_INDEX |
- EXT4_FEATURE_COMPAT_FAST_COMMIT,
+ EXT4_FEATURE_COMPAT_FAST_COMMIT |
+ EXT4_FEATURE_COMPAT_ORPHAN_FILE,
/* Incompat */
EXT2_FEATURE_INCOMPAT_FILETYPE |
EXT4_FEATURE_INCOMPAT_FLEX_BG |
}
}
+ if (FEATURE_OFF(E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_ORPHAN_FILE)) {
+ ext2_ino_t ino;
+
+ if (mount_flags & EXT2_MF_MOUNTED) {
+ fputs(_("The orphan_file feature may only be cleared "
+ "when the filesystem is unmounted.\n"), stderr);
+ return 1;
+ }
+ if (ext2fs_has_feature_orphan_present(sb) && f_flag < 2) {
+ fputs(_("The orphan_present feature is set. Please "
+ "run e2fsck before clearing orphan_file "
+ "feature.\n"),
+ stderr);
+ return 1;
+ }
+ err = ext2fs_read_bitmaps(fs);
+ if (err) {
+ com_err(program_name, err, "%s",
+ _("while loading bitmaps"));
+ return 1;
+ }
+ err = ext2fs_truncate_orphan_file(fs);
+ if (err) {
+ com_err(program_name, err,
+ _("\n\twhile trying to delete orphan file\n"));
+ return 1;
+ }
+ ino = sb->s_orphan_file_inum;
+ sb->s_orphan_file_inum = 0;
+ ext2fs_inode_alloc_stats2(fs, ino, -1, 0);
+ ext2fs_clear_feature_orphan_file(sb);
+ ext2fs_clear_feature_orphan_present(sb);
+ ext2fs_mark_super_dirty(fs);
+ }
+
+ if (FEATURE_ON(E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_ORPHAN_FILE)) {
+ if (!ext2fs_has_feature_journal(sb)) {
+ fputs(_("orphan_file feature can be set only for "
+ "filesystems with journal.\n"), stderr);
+ return 1;
+ }
+ /*
+ * If adding an orphan file, let the create orphan file
+ * code below handle setting the flag and creating it.
+ * We supply a default size if necessary.
+ */
+ orphan_file_blocks = ext2fs_default_orphan_file_blocks(fs);
+ ext2fs_set_feature_orphan_file(sb);
+ }
+
if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
if (ext2fs_has_feature_meta_bg(sb)) {
continue;
}
encoding_flags = arg;
+ } else if (!strcmp(token, "orphan_file_size")) {
+ if (!arg) {
+ r_usage++;
+ continue;
+ }
+ orphan_file_blocks = parse_num_blocks2(arg,
+ fs->super->s_log_block_size);
+
+ if (orphan_file_blocks < 1) {
+ fprintf(stderr,
+ _("Invalid size of orphan file %s\n"),
+ arg);
+ r_usage++;
+ continue;
+ }
} else
r_usage++;
}
if (rc)
goto closefs;
}
+ if (orphan_file_blocks) {
+ errcode_t err;
+
+ err = ext2fs_read_bitmaps(fs);
+ if (err) {
+ com_err(program_name, err, "%s",
+ _("while loading bitmaps"));
+ rc = 1;
+ goto closefs;
+ }
+ err = ext2fs_create_orphan_file(fs, orphan_file_blocks);
+ if (err) {
+ com_err(program_name, err, "%s",
+ _("while creating orphan file"));
+ rc = 1;
+ goto closefs;
+ }
+ }
if (Q_flag) {
if (mount_flags & EXT2_MF_MOUNTED) {
--- /dev/null
+> 10000
+224
--- /dev/null
+test_description="test prezeroed storage metadata allocation"
+FILE_SIZE=16M
+
+LOG=$test_name.log
+OUT=$test_name.out
+EXP=$test_dir/expect
+
+if test "$(id -u)" -ne 0 ; then
+ echo "$test_name: $test_description: skipped (not root)"
+elif ! command -v losetup >/dev/null ; then
+ echo "$test_name: $test_description: skipped (no losetup)"
+else
+ dd if=/dev/zero of=$TMPFILE.1 bs=1 count=0 seek=$FILE_SIZE >> $LOG 2>&1
+ dd if=/dev/zero of=$TMPFILE.2 bs=1 count=0 seek=$FILE_SIZE >> $LOG 2>&1
+
+ LOOP1=$(losetup --show --sector-size 4096 -f $TMPFILE.1)
+ if [ ! -b "$LOOP1" ]; then
+ echo "$test_name: $DESCRIPTION: skipped (no loop devices)"
+ rm -f $TMPFILE.1 $TMPFILE.2
+ exit 0
+ fi
+ LOOP2=$(losetup --show --sector-size 4096 -f $TMPFILE.2)
+ if [ ! -b "$LOOP2" ]; then
+ echo "$test_name: $DESCRIPTION: skipped (no loop devices)"
+ rm -f $TMPFILE.1 $TMPFILE.2
+ losetup -d $LOOP1
+ exit 0
+ fi
+
+ echo $MKE2FS -o Linux -t ext4 $LOOP1 >> $LOG 2>&1
+ $MKE2FS -o Linux -t ext4 $LOOP1 >> $LOG 2>&1
+ sync
+ stat $TMPFILE.1 >> $LOG 2>&1
+ SZ=$(stat -c "%b" $TMPFILE.1)
+ if test $SZ -gt 10000 ; then
+ echo "> 10000" > $OUT
+ else
+ echo "$SZ" > $OUT
+ fi
+
+ echo $MKE2FS -o Linux -t ext4 -E assume_storage_prezeroed=1 $LOOP2 >> $LOG 2>&1
+ $MKE2FS -o Linux -t ext4 -E assume_storage_prezeroed=1 $LOOP2 >> $LOG 2>&1
+ sync
+ stat $TMPFILE.2 >> $LOG 2>&1
+ stat -c "%b" $TMPFILE.2 >> $OUT
+
+ losetup -d $LOOP1
+ losetup -d $LOOP2
+ rm -f $TMPFILE.1 $TMPFILE.2
+
+ cmp -s $OUT $EXP
+ status=$?
+
+ if [ "$status" = 0 ] ; then
+ echo "$test_name: $test_description: ok"
+ touch $test_name.ok
+ else
+ echo "$test_name: $test_description: failed"
+ cat $LOG > $test_name.failed
+ diff $EXP $OUT >> $test_name.failed
+ fi
+fi
+unset LOG OUT EXP FILE_SIZE LOOP1 LOOP2
git://git.whamcloud.com / tools / e2fsprogs.git / commitdiff