diff options
author | Christoph Hellwig <hch@lst.de> | 2018-07-11 22:26:05 -0700 |
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committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-11 22:26:05 -0700 |
commit | 82cb14175e7ddb08721fb1d766195cd10dad791a (patch) | |
tree | 47c53d542f3e49189bad062f55bc38d6e35bf105 /fs/xfs/xfs_iomap.c | |
parent | 9dc55f1389f9569acf9659e58dd836a9c70df217 (diff) | |
download | linux-82cb14175e7ddb08721fb1d766195cd10dad791a.tar.bz2 |
xfs: add support for sub-pagesize writeback without buffer_heads
Switch to using the iomap_page structure for checking sub-page uptodate
status and track sub-page I/O completion status, and remove large
quantities of boilerplate code working around buffer heads.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_iomap.c')
-rw-r--r-- | fs/xfs/xfs_iomap.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 7fe42a126ec1..778b8c850de3 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1032,9 +1032,6 @@ xfs_file_iomap_begin( if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - if (i_blocksize(inode) < PAGE_SIZE) - iomap->flags |= IOMAP_F_BUFFER_HEAD; - if (((flags & (IOMAP_WRITE | IOMAP_DIRECT)) == IOMAP_WRITE) && !IS_DAX(inode) && !xfs_get_extsz_hint(ip)) { /* Reserve delalloc blocks for regular writeback. */ |