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authorDarrick J. Wong <darrick.wong@oracle.com>2013-08-29 02:32:58 +0400
committerTheodore Ts'o <tytso@mit.edu>2013-08-29 02:32:58 +0400
commit87a39389be3e3b007d341be510a7e4a0542bdf05 (patch)
treed0e02154419ef9b8fa77e1801e5a693734aff3d4 /fs/ext4/ext4.h
parent163a203ddb36c36d4a1c942aececda0cc8d06aa7 (diff)
downloadlinux-87a39389be3e3b007d341be510a7e4a0542bdf05.tar.xz
ext4: mark block group as corrupt on inode bitmap error
If we detect either a discrepancy between the inode bitmap and the inode counts or the inode bitmap fails to pass validation checks, mark the block group corrupt and refuse to allocate or deallocate inodes from the group. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 02b764b4e635..06b488dca666 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2481,11 +2481,14 @@ struct ext4_group_info {
#define EXT4_GROUP_INFO_NEED_INIT_BIT 0
#define EXT4_GROUP_INFO_WAS_TRIMMED_BIT 1
#define EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT 2
+#define EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT 3
#define EXT4_MB_GRP_NEED_INIT(grp) \
(test_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &((grp)->bb_state)))
#define EXT4_MB_GRP_BBITMAP_CORRUPT(grp) \
(test_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &((grp)->bb_state)))
+#define EXT4_MB_GRP_IBITMAP_CORRUPT(grp) \
+ (test_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &((grp)->bb_state)))
#define EXT4_MB_GRP_WAS_TRIMMED(grp) \
(test_bit(EXT4_GROUP_INFO_WAS_TRIMMED_BIT, &((grp)->bb_state)))