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Date: Mon, 16 Apr 2012 19:40:07 +0800
From: Zheng Liu <gnehzuil.liu@...il.com>
To: linux-ext4@...r.kernel.org
Cc: Zheng Liu <wenqing.lz@...bao.com>
Subject: [PATCH 32/32] e2fsck: check inline data in pass2
From: Zheng Liu <wenqing.lz@...bao.com>
Signed-off-by: Zheng Liu <wenqing.lz@...bao.com>
---
e2fsck/pass2.c | 50 ++++++++++++++++++++++++++++++++++++++-------
lib/ext2fs/inline_data.c | 4 +-
2 files changed, 44 insertions(+), 10 deletions(-)
diff --git a/e2fsck/pass2.c b/e2fsck/pass2.c
index 882950d..0b902f2 100644
--- a/e2fsck/pass2.c
+++ b/e2fsck/pass2.c
@@ -70,6 +70,7 @@ static int allocate_dir_block(e2fsck_t ctx,
static void clear_htree(e2fsck_t ctx, ext2_ino_t ino);
static int htree_depth(struct dx_dir_info *dx_dir,
struct dx_dirblock_info *dx_db);
+static int is_last_entry(ext2_filsys fs, ext2_ino_t ino, unsigned int offset);
static EXT2_QSORT_TYPE special_dir_block_cmp(const void *a, const void *b);
struct check_dir_struct {
@@ -715,6 +716,7 @@ static int check_dir_block(ext2_filsys fs,
struct dx_dirblock_info *dx_db = 0;
#endif /* ENABLE_HTREE */
struct ext2_dir_entry *dirent, *prev;
+ struct ext2_inode inode;
ext2_dirhash_t hash;
unsigned int offset = 0;
int dir_modified = 0;
@@ -759,7 +761,8 @@ static int check_dir_block(ext2_filsys fs,
cd->pctx.dirent = 0;
cd->pctx.num = 0;
- if (db->blk == 0) {
+ /* We don't need to allocate dir blocks for inline_data dir */
+ if (db->blk == 0 && !ext2fs_has_inline_data(fs, db->ino)) {
if (allocate_dir_block(ctx, db, buf, &cd->pctx))
return 0;
block_nr = db->blk;
@@ -780,7 +783,15 @@ static int check_dir_block(ext2_filsys fs,
#endif
ehandler_operation(_("reading directory block"));
- cd->pctx.errcode = ext2fs_read_dir_block3(fs, block_nr, buf, 0);
+ ext2fs_read_inode(fs, ino, &inode);
+ if (inode.i_flags & EXT4_INLINE_DATA_FL) {
+ cd->pctx.errcode = ext2fs_read_dir_inline_data(fs, ino, buf);
+ if (!cd->pctx.errcode)
+ cd->pctx.errcode = ext2fs_read_dir_inline_data_more(fs,
+ ino, buf);
+ } else {
+ cd->pctx.errcode = ext2fs_read_dir_block3(fs, block_nr, buf, 0);
+ }
ehandler_operation(0);
if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED)
cd->pctx.errcode = 0; /* We'll handle this ourselves */
@@ -1107,7 +1118,7 @@ out_htree:
(void) ext2fs_get_rec_len(fs, dirent, &rec_len);
offset += rec_len;
dot_state++;
- } while (offset < fs->blocksize);
+ } while (is_last_entry(fs, ino, offset));
#if 0
printf("\n");
#endif
@@ -1125,14 +1136,29 @@ out_htree:
}
#endif /* ENABLE_HTREE */
if (offset != fs->blocksize) {
- cd->pctx.num = rec_len - fs->blocksize + offset;
- if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) {
- dirent->rec_len = cd->pctx.num;
- dir_modified++;
+ if (!(inode.i_flags & EXT4_INLINE_DATA_FL)) {
+ cd->pctx.errcode = rec_len - fs->blocksize + offset;
+ if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) {
+ dirent->rec_len = cd->pctx.num;
+ dir_modified++;
+ }
+ } else {
+ if (offset != ext2fs_inline_data_size(fs, ino)) {
+ cd->pctx.errcode = rec_len + offset -
+ ext2fs_inline_data_size(fs, ino);
+ if (fix_problem(ctx, PR_2_FINAL_RECLEN,
+ &cd->pctx)) {
+ dirent->rec_len = cd->pctx.num;
+ dir_modified++;
+ }
+ }
}
}
if (dir_modified) {
- cd->pctx.errcode = ext2fs_write_dir_block(fs, block_nr, buf);
+ if (inode.i_flags & EXT4_INLINE_DATA_FL)
+ cd->pctx.errcode = ext2fs_write_dir_inline_data(fs, ino, buf);
+ else
+ cd->pctx.errcode = ext2fs_write_dir_block(fs, block_nr, buf);
if (cd->pctx.errcode) {
if (!fix_problem(ctx, PR_2_WRITE_DIRBLOCK,
&cd->pctx))
@@ -1483,3 +1509,11 @@ static int allocate_dir_block(e2fsck_t ctx,
return 0;
}
+
+static int is_last_entry(ext2_filsys fs, ext2_ino_t ino, unsigned int offset)
+{
+ if (ext2fs_has_inline_data(fs, ino))
+ return (offset < ext2fs_inline_data_size(fs, ino));
+ else
+ return (offset < fs->blocksize);
+}
diff --git a/lib/ext2fs/inline_data.c b/lib/ext2fs/inline_data.c
index 4ebd592..8dc7b8c 100644
--- a/lib/ext2fs/inline_data.c
+++ b/lib/ext2fs/inline_data.c
@@ -584,7 +584,7 @@ int ext2fs_inline_data_in_extra(ext2_filsys fs, ext2_ino_t ino)
ext2fs_get_mem(EXT2_INODE_SIZE(fs->super), &inode);
ext2fs_read_inode_full(fs, ino, inode, EXT2_INODE_SIZE(fs->super));
- ext2fs_iget_extra_inode(fs, inode, &idata);
+ ext2fs_iget_extra_inode(fs, (void *)inode, &idata);
ext2fs_free_mem(&inode);
if (idata.inline_off == 0 ||
idata.inline_size == EXT4_MIN_INLINE_DATA_SIZE)
@@ -601,7 +601,7 @@ int ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino)
inode = (struct ext2_inode *) malloc(EXT2_INODE_SIZE(fs->super));
ext2fs_read_inode_full(fs, ino, inode, EXT2_INODE_SIZE(fs->super));
- ext2fs_iget_extra_inode(fs, inode, &idata);
+ ext2fs_iget_extra_inode(fs, (void *)inode, &idata);
free(inode);
if (idata.inline_off == 0)
return 0;
--
1.7.4.1
--
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