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xfs: open code ATTR_ENTSIZE

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Replace a single use macro containing open-coded variants of
standard helpers with direct calls to the standard helpers.

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 17:30:38 -08:00 committed by Darrick J. Wong
parent fe96008712
commit 2f014aad03
1 changed files with 4 additions and 7 deletions
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11
fs/xfs/xfs_attr_list.c
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@ -545,12 +545,6 @@ xfs_attr_list_int(
return error;
}
#define ATTR_ENTBASESIZE /* minimum bytes used by an attr */ \
(((struct attrlist_ent *) 0)->a_name - (char *) 0)
#define ATTR_ENTSIZE(namelen) /* actual bytes used by an attr */ \
((ATTR_ENTBASESIZE + (namelen) + 1 + sizeof(uint32_t)-1) \
& ~(sizeof(uint32_t)-1))
/*
* Format an attribute and copy it out to the user's buffer.
* Take care to check values and protect against them changing later,
@ -586,7 +580,10 @@ xfs_attr_put_listent(
arraytop = sizeof(*alist) +
context->count * sizeof(alist->al_offset[0]);
context->firstu -= ATTR_ENTSIZE(namelen);
/* decrement by the actual bytes used by the attr */
context->firstu -= round_up(offsetof(struct attrlist_ent, a_name) +
namelen + 1, sizeof(uint32_t));
if (context->firstu < arraytop) {
trace_xfs_attr_list_full(context);
alist->al_more = 1;