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xfs: report corruption only as a regular error 

Redefine XFS_IS_CORRUPT so that it reports corruptions only via
xfs_corruption_report.  Since these are on-disk contents (and not checks
of internal state), we don't ever want to panic the kernel.  This also
amends the corruption report to recommend unmounting and running
xfs_repair.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2019-11-17 10:36:52 -08:00
parent 377bcd5f3b
commit 6519f708cc
2 changed files with 7 additions and 12 deletions
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2
fs/xfs/xfs_error.c
View File

@ -335,7 +335,7 @@ xfs_corruption_error(
int linenum, int linenum,
xfs_failaddr_t failaddr) xfs_failaddr_t failaddr)
{ {
if (level <= xfs_error_level) if (buf && level <= xfs_error_level)
xfs_hex_dump(buf, bufsize); xfs_hex_dump(buf, bufsize);
xfs_error_report(tag, level, mp, filename, linenum, failaddr); xfs_error_report(tag, level, mp, filename, linenum, failaddr);
xfs_alert(mp, "Corruption detected. Unmount and run xfs_repair"); xfs_alert(mp, "Corruption detected. Unmount and run xfs_repair");

17
fs/xfs/xfs_linux.h
View File

@ -229,10 +229,6 @@ int xfs_rw_bdev(struct block_device *bdev, sector_t sector, unsigned int count,
#define ASSERT(expr) \ #define ASSERT(expr) \
(likely(expr) ? (void)0 : assfail(NULL, #expr, __FILE__, __LINE__)) (likely(expr) ? (void)0 : assfail(NULL, #expr, __FILE__, __LINE__))
#define XFS_IS_CORRUPT(mp, expr) \
(unlikely(expr) ? assfail((mp), #expr, __FILE__, __LINE__), \
true : false)
#else /* !DEBUG */ #else /* !DEBUG */
#ifdef XFS_WARN #ifdef XFS_WARN
@ -240,20 +236,19 @@ int xfs_rw_bdev(struct block_device *bdev, sector_t sector, unsigned int count,
#define ASSERT(expr) \ #define ASSERT(expr) \
(likely(expr) ? (void)0 : asswarn(NULL, #expr, __FILE__, __LINE__)) (likely(expr) ? (void)0 : asswarn(NULL, #expr, __FILE__, __LINE__))
#define XFS_IS_CORRUPT(mp, expr) \
(unlikely(expr) ? asswarn((mp), #expr, __FILE__, __LINE__), \
true : false)
#else /* !DEBUG && !XFS_WARN */ #else /* !DEBUG && !XFS_WARN */
#define ASSERT(expr) ((void)0) #define ASSERT(expr) ((void)0)
#define XFS_IS_CORRUPT(mp, expr) \
(unlikely(expr) ? XFS_ERROR_REPORT(#expr, XFS_ERRLEVEL_LOW, (mp)), \
true : false)
#endif /* XFS_WARN */ #endif /* XFS_WARN */
#endif /* DEBUG */ #endif /* DEBUG */
#define XFS_IS_CORRUPT(mp, expr) \
(unlikely(expr) ? xfs_corruption_error(#expr, XFS_ERRLEVEL_LOW, (mp), \
NULL, 0, __FILE__, __LINE__, \
__this_address), \
true : false)
#define STATIC static noinline #define STATIC static noinline
#ifdef CONFIG_XFS_RT #ifdef CONFIG_XFS_RT