OpenCloudOS-Kernel/fs/iomap
Christoph Hellwig 60263d5889 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>
2020-08-05 09:24:16 -07:00
..
Makefile iomap: lift common tracing code from xfs to iomap 2019-10-21 08:51:59 -07:00
apply.c iomap: Make sure iomap_end is called after iomap_begin 2020-07-06 10:49:27 -07:00
buffered-io.c New code for 5.8: 2020-06-13 12:44:30 -07:00
direct-io.c iomap: fall back to buffered writes for invalidation failures 2020-08-05 09:24:16 -07:00
fiemap.c fs: handle FIEMAP_FLAG_SYNC in fiemap_prep 2020-06-03 23:16:55 -04:00
seek.c iomap: use a srcmap for a read-modify-write I/O 2019-10-21 08:51:59 -07:00
swapfile.c iomap: use a srcmap for a read-modify-write I/O 2019-10-21 08:51:59 -07:00
trace.c iomap: lift common tracing code from xfs to iomap 2019-10-21 08:51:59 -07:00
trace.h iomap: fall back to buffered writes for invalidation failures 2020-08-05 09:24:16 -07:00