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| author | Christoph Hellwig <hch@lst.de> | 2020-07-23 22:45:59 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2020-08-05 09:24:16 -0700 |
| commit | 60263d5889e6dc5987dc51b801be4955ff2e4aa7 (patch) | |
| tree | cb8418c747e19055b1416e993c3b00578046f520 /fs/iomap/trace.h | |
| parent | 80e543ae24db8f03241004136cb5bb37586fba70 (diff) | |
| download | linux-60263d5889e6dc5987dc51b801be4955ff2e4aa7.tar.bz2 | |
iomap: fall back to buffered writes for invalidation failures
Failing to invalid the page cache means data in incoherent, which is
a very bad state for the system. Always fall back to buffered I/O
through the page cache if we can't invalidate mappings.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu> # for ext4
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com> # for gfs2
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Diffstat (limited to 'fs/iomap/trace.h')
| -rw-r--r-- | fs/iomap/trace.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h index 5693a39d52fb..fdc7ae388476 100644 --- a/fs/iomap/trace.h +++ b/fs/iomap/trace.h @@ -74,6 +74,7 @@ DEFINE_EVENT(iomap_range_class, name, \ DEFINE_RANGE_EVENT(iomap_writepage); DEFINE_RANGE_EVENT(iomap_releasepage); DEFINE_RANGE_EVENT(iomap_invalidatepage); +DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail); #define IOMAP_TYPE_STRINGS \ { IOMAP_HOLE, "HOLE" }, \ |