[Ocfs2-tools-devel] [PATCH 4/5] Fswreck: Implement code DIR_DOTDOT.
Tristan Ye
tristan.ye at oracle.com
Thu Mar 11 02:02:22 PST 2010
Corrupt dir's dotdot entry's ino by increasing the number
by 10.
Signed-off-by: Tristan Ye <tristan.ye at oracle.com>
---
fswreck/corrupt.c | 3 +++
fswreck/dir.c | 17 +++++++++++++++++
fswreck/include/dir.h | 2 ++
fswreck/main.c | 4 ++--
4 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/fswreck/corrupt.c b/fswreck/corrupt.c
index 911387a..8ea8513 100644
--- a/fswreck/corrupt.c
+++ b/fswreck/corrupt.c
@@ -163,6 +163,9 @@ void corrupt_file(ocfs2_filesys *fs, enum fsck_type type, uint16_t slotnum)
case DIRENT_DOT_EXCESS:
func = mess_up_dir_dot;
break;
+ case DIR_DOTDOT:
+ func = mess_up_dir_dotdot;
+ break;
case DIRENT_ZERO:
func = mess_up_dir_ent;
break;
diff --git a/fswreck/dir.c b/fswreck/dir.c
index 37874ea..66309fd 100644
--- a/fswreck/dir.c
+++ b/fswreck/dir.c
@@ -289,6 +289,13 @@ static void damage_dir_content(ocfs2_filesys *fs, uint64_t dir,
"to %"PRIu64"\n",
dir, tmp_no - OCFS2_DIR_PAD, tmp_no);
break;
+ case DIR_DOTDOT:
+ corrupt_dirent_ino(fs, dir, "..", &tmp_no, 10);
+ fprintf(stdout, "DIR_DOTDOT: "
+ "Corrupt directory#%"PRIu64
+ ", change dotdot inode from %"PRIu64" to %"PRIu64".\n",
+ dir, tmp_no - 10, tmp_no);
+ break;
case DIRENT_ZERO:
memset(name, 0, 1);
ret = ocfs2_link(fs, dir, name, dir + 100, OCFS2_FT_DIR);
@@ -393,6 +400,16 @@ void mess_up_dir_dot(ocfs2_filesys *fs, enum fsck_type type, uint64_t blkno)
return;
}
+void mess_up_dir_dotdot(ocfs2_filesys *fs, enum fsck_type type, uint64_t blkno)
+{
+ uint64_t tmp_blkno;
+
+ create_directory(fs, blkno, &tmp_blkno);
+ damage_dir_content(fs, tmp_blkno, type);
+
+ return;
+}
+
void mess_up_dir_ent(ocfs2_filesys *fs, enum fsck_type type, uint64_t blkno)
{
uint64_t tmp_blkno;
diff --git a/fswreck/include/dir.h b/fswreck/include/dir.h
index e6f009d..a7ddec0 100644
--- a/fswreck/include/dir.h
+++ b/fswreck/include/dir.h
@@ -27,6 +27,8 @@
void mess_up_dir_inode(ocfs2_filesys *fs, enum fsck_type type, uint64_t blkno);
void mess_up_dir_dot(ocfs2_filesys *fs, enum fsck_type type, uint64_t blkno);
+void mess_up_dir_dotdot(ocfs2_filesys *fs, enum fsck_type type,
+ uint64_t blkno);
void mess_up_dir_ent(ocfs2_filesys *fs, enum fsck_type type, uint64_t blkno);
void mess_up_dir_parent_dup(ocfs2_filesys *fs, enum fsck_type type,
uint64_t blkno);
diff --git a/fswreck/main.c b/fswreck/main.c
index abba71e..e75e4de 100644
--- a/fswreck/main.c
+++ b/fswreck/main.c
@@ -113,8 +113,8 @@ static struct prompt_code prompt_codes[NUM_FSCK_TYPE] = {
"Corrupt root inode, change its i_mode to 0"),
define_prompt_code(LOSTFOUND_MISSING, corrupt_file,
"Corrupt root inode, change its i_mode to 0"),
- define_prompt_code(DIR_DOTDOT, NULL,
- "Unimplemented corrupt code"),
+ define_prompt_code(DIR_DOTDOT, corrupt_file,
+ "Corrupt dir's dotdot entry's ino it points to"),
define_prompt_code(DIR_ZERO, corrupt_file,
"Corrupt directory, empty its content"),
define_prompt_code(DIRENT_DOTTY_DUP, corrupt_file,
--
1.5.5
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