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xfs: split the iomap ops for buffered vs direct writes

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Instead of lots of magic conditionals in the main write_begin
handler this make the intent very clear.  Thing will become even
better once we support delayed allocations for extent size hints
and realtime allocations.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2019-10-19 09:09:46 -07:00
committed by Darrick J. Wong
parent a526c85c22
commit f150b42343
6 changed files with 40 additions and 52 deletions
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3
fs/xfs/xfs_bmap_util.c
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@@ -1113,7 +1113,8 @@ xfs_free_file_space(
return 0;
if (offset + len > XFS_ISIZE(ip))
len = XFS_ISIZE(ip) - offset;
error = iomap_zero_range(VFS_I(ip), offset, len, NULL, &xfs_iomap_ops);
error = iomap_zero_range(VFS_I(ip), offset, len, NULL,
&xfs_buffered_write_iomap_ops);
if (error)
return error;