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xfs: revert 1baa2800e6 ("xfs: remove the unused XFS_ALLOC_USERDATA flag") 

Revert this commit, as it caused periodic regressions in xfs/173 w/
1k blocks.

[1] https://lore.kernel.org/lkml/20190919014602.GN15734@shao2-debian/

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong 2019-09-23 13:02:41 -07:00
parent 583e4eff98
commit ce84042926
2 changed files with 10 additions and 5 deletions
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7
fs/xfs/libxfs/xfs_alloc.h
View File

@ -81,9 +81,10 @@ typedef struct xfs_alloc_arg {
/*
* Defines for datatype
*/
#define XFS_ALLOC_INITIAL_USER_DATA (1 << 0)/* special case start of file */
#define XFS_ALLOC_USERDATA_ZERO (1 << 1)/* zero extent on allocation */
#define XFS_ALLOC_NOBUSY (1 << 2)/* Busy extents not allowed */
#define XFS_ALLOC_USERDATA (1 << 0)/* allocation is for user data*/
#define XFS_ALLOC_INITIAL_USER_DATA (1 << 1)/* special case start of file */
#define XFS_ALLOC_USERDATA_ZERO (1 << 2)/* zero extent on allocation */
#define XFS_ALLOC_NOBUSY (1 << 3)/* Busy extents not allowed */
static inline bool
xfs_alloc_is_userdata(int datatype)

6
fs/xfs/libxfs/xfs_bmap.c
View File

@ -4042,8 +4042,12 @@ xfs_bmapi_allocate(
*/
if (!(bma->flags & XFS_BMAPI_METADATA)) {
bma->datatype = XFS_ALLOC_NOBUSY;
if (whichfork == XFS_DATA_FORK && bma->offset == 0)
if (whichfork == XFS_DATA_FORK) {
if (bma->offset == 0)
bma->datatype |= XFS_ALLOC_INITIAL_USER_DATA;
else
bma->datatype |= XFS_ALLOC_USERDATA;
}
if (bma->flags & XFS_BMAPI_ZERO)
bma->datatype |= XFS_ALLOC_USERDATA_ZERO;
}