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xfs: remove ATTR_KERNOVAL

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We can just pass down the Linux convention of a zero valuelen to just
query for the existance of an attribute to the low-level code instead.
The use in the legacy xfs_attr_list code only used by the ioctl
interface was already dead code, as the callers check that the flag
is not present.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com>
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
2020-02-26 17:30:35 -08:00
committed by Darrick J. Wong
parent c36f533f14
commit e513e25c38
6 changed files with 13 additions and 22 deletions
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4
fs/xfs/libxfs/xfs_attr.h
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@@ -34,12 +34,11 @@ struct xfs_attr_list_context;
#define ATTR_REPLACE 0x0020 /* pure set: fail if attr does not exist */
#define ATTR_KERNOTIME 0x1000 /* [kernel] don't update inode timestamps */
#define ATTR_KERNOVAL 0x2000 /* [kernel] get attr size only, not value */
#define ATTR_ALLOC 0x8000 /* [kernel] allocate xattr buffer on demand */
#define ATTR_KERNEL_FLAGS \
(ATTR_KERNOTIME | ATTR_KERNOVAL | ATTR_ALLOC)
(ATTR_KERNOTIME | ATTR_ALLOC)
#define XFS_ATTR_FLAGS \
{ ATTR_DONTFOLLOW, "DONTFOLLOW" }, \
@@ -49,7 +48,6 @@ struct xfs_attr_list_context;
{ ATTR_CREATE, "CREATE" }, \
{ ATTR_REPLACE, "REPLACE" }, \
{ ATTR_KERNOTIME, "KERNOTIME" }, \
{ ATTR_KERNOVAL, "KERNOVAL" }, \
{ ATTR_ALLOC, "ALLOC" }
/*