Make e2fsck uninit block group aware.
This patch has all the necesary pieces to open and fix filesystems created
with the uninit block group feature.
Signed-off-by: Jose R. Santos <[EMAIL PROTECTED]>
Signed-Off-By: Andreas Dilger <[EMAIL PROTECTED]>
--
e2fsck/e2fsck.h |2 +
e2fsck/journal.c |2 +
e2fsck/pass2.c | 77 --
e2fsck/pass5.c | 61 +++
e2fsck/problem.c | 42 +
e2fsck/problem.h | 26 ++
e2fsck/super.c | 40
e2fsck/unix.c| 11 ++--
e2fsck/util.c| 61 +++
9 files changed, 292 insertions(+), 30 deletions(-)
diff --git a/e2fsck/e2fsck.h b/e2fsck/e2fsck.h
index 9ccffd8..a67322d 100644
--- a/e2fsck/e2fsck.h
+++ b/e2fsck/e2fsck.h
@@ -468,6 +468,8 @@ extern void e2fsck_read_bitmaps(e2fsck_t ctx);
extern void e2fsck_write_bitmaps(e2fsck_t ctx);
extern void preenhalt(e2fsck_t ctx);
extern char *string_copy(e2fsck_t ctx, const char *str, int len);
+extern errcode_t e2fsck_zero_blocks(ext2_filsys fs, blk_t blk, int num,
+ blk_t *ret_blk, int *ret_count);
#ifdef RESOURCE_TRACK
extern void print_resource_track(const char *desc,
struct resource_track *track,
diff --git a/e2fsck/journal.c b/e2fsck/journal.c
index f5f4647..ceade93 100644
--- a/e2fsck/journal.c
+++ b/e2fsck/journal.c
@@ -988,6 +988,8 @@ void e2fsck_move_ext3_journal(e2fsck_t ctx)
ext2fs_unmark_inode_bitmap(fs->inode_map, ino);
ext2fs_mark_ib_dirty(fs);
fs->group_desc[group].bg_free_inodes_count++;
+ fs->group_desc[group].bg_checksum =
+ ext2fs_group_desc_csum(fs->super, group,&fs->group_desc[group]);
fs->super->s_free_inodes_count++;
return;
diff --git a/e2fsck/pass2.c b/e2fsck/pass2.c
index 27f7136..047b5ca 100644
--- a/e2fsck/pass2.c
+++ b/e2fsck/pass2.c
@@ -151,7 +151,7 @@ void e2fsck_pass2(e2fsck_t ctx)
cd.pctx.errcode = ext2fs_dblist_iterate(fs->dblist, check_dir_block,
&cd);
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK || ctx->flags & E2F_FLAG_RESTART)
return;
if (cd.pctx.errcode) {
fix_problem(ctx, PR_2_DBLIST_ITERATE, &cd.pctx);
@@ -736,7 +736,7 @@ static int check_dir_block(ext2_filsys fs,
buf = cd->buf;
ctx = cd->ctx;
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK || ctx->flags & E2F_FLAG_RESTART)
return DIRENT_ABORT;
if (ctx->progress && (ctx->progress)(ctx, 2, cd->count++, cd->max))
@@ -833,6 +833,9 @@ static int check_dir_block(ext2_filsys fs,
dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp);
prev = 0;
do {
+ int group;
+ ext2_ino_t first_unused_inode;
+
problem = 0;
dirent = (struct ext2_dir_entry *) (buf + offset);
cd->pctx.dirent = dirent;
@@ -882,12 +885,6 @@ static int check_dir_block(ext2_filsys fs,
(dirent->inode < EXT2_FIRST_INODE(fs->super))) ||
(dirent->inode > fs->super->s_inodes_count)) {
problem = PR_2_BAD_INO;
- } else if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map,
- dirent->inode))) {
- /*
-* If the inode is unused, offer to clear it.
-*/
- problem = PR_2_UNUSED_INODE;
} else if (ctx->inode_bb_map &&
(ext2fs_test_inode_bitmap(ctx->inode_bb_map,
dirent->inode))) {
@@ -964,6 +961,67 @@ static int check_dir_block(ext2_filsys fs,
return DIRENT_ABORT;
}
+ group = ext2fs_group_of_ino(fs, dirent->inode);
+ first_unused_inode = group * fs->super->s_inodes_per_group +
+ 1 + fs->super->s_inodes_per_group -
+ fs->group_desc[group].bg_itable_unused;
+ cd->pctx.group = group;
+
+ /*
+* Check if the inode was missed out because _INODE_UNINIT
+* flag was set or bg_itable_unused was incorrect.
+* If that is the case restart e2fsck.
+* XXX Optimisations TODO:
+* 1. only restart e2fsck once
+* 2. only exposed inodes are checked again.
+*/
+ if (fs->group_desc[group].bg_flags & EXT2_BG_INODE_UNINIT) {
+ if (fix_problem(ctx, PR_2_INOREF_BG_INO_UNINIT,
+
