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authorSrinivas Eeda <srinivas.eeda@oracle.com>2010-10-05 15:53:06 -0700
committerJoel Becker <joel.becker@oracle.com>2010-10-11 13:43:24 -0700
commit9b5cd10e4c14a1a642076ace6a73be3d33c91fb6 (patch)
tree92f0f09460a9574d1dbe53b2c376cd4193d19d91 /fs/binfmt_flat.c
parent93f3b86fb1bd0ad7b4a5eb1ad1fdae2b290633b7 (diff)
downloadlinux-9b5cd10e4c14a1a642076ace6a73be3d33c91fb6.tar.gz
ocfs2: validate bg_free_bits_count after update
This patch adds a safe check to ensure bg_free_bits_count doesn't exceed
bg_bits in a group descriptor. This is to avoid on disk corruption that was
seen recently.

debugfs: group <52803072>
       Group Chain: 179   Parent Inode: 11  Generation: 2959379682
       CRC32: 00000000   ECC: 0000
       ##   Block#            Total    Used     Free     Contig   Size
       0    52803072          32256    4294965350   34202    18207    4032
       ......

Signed-off-by: Srinivas Eeda <srinivas.eeda@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/binfmt_flat.c')
0 files changed, 0 insertions, 0 deletions