diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-07-11 22:26:04 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-11 22:26:04 -0700 |
| commit | ac8ee54669c07e6b38b4cae13a65f5ec06a11323 (patch) | |
| tree | e133c41a634351a0446928dfc4e709257abe0746 /fs/xfs/xfs_iomap.c | |
| parent | 8e1f065bea1b1c128c92ef7e386779a23cd5d342 (diff) | |
xfs: allow writeback on pages without buffer heads
Disable the IOMAP_F_BUFFER_HEAD flag on file systems with a block size
equal to the page size, and deal with pages without buffer heads in
writeback. Thanks to the previous refactoring this is basically trivial
now.
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, 2 insertions, 1 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 10c54fc7d1b4..7fe42a126ec1 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1032,7 +1032,8 @@ xfs_file_iomap_begin( if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - iomap->flags |= IOMAP_F_BUFFER_HEAD; + 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)) { |