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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /fs/xfs/libxfs/xfs_sb.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'fs/xfs/libxfs/xfs_sb.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_sb.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 47425140f..a0b071d88 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -35,6 +35,7 @@ #include "xfs_bmap_btree.h" #include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" +#include "xfs_log.h" /* * Physical superblock buffer manipulations. Shared with libxfs in userspace. @@ -163,6 +164,15 @@ xfs_mount_validate_sb( "Filesystem can not be safely mounted by this kernel."); return -EINVAL; } + } else if (xfs_sb_version_hascrc(sbp)) { + /* + * We can't read verify the sb LSN because the read verifier is + * called before the log is allocated and processed. We know the + * log is set up before write verifier (!check_version) calls, + * so just check it here. + */ + if (!xfs_log_check_lsn(mp, sbp->sb_lsn)) + return -EFSCORRUPTED; } if (xfs_sb_version_has_pquotino(sbp)) { |