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authorChristoph Hellwig <hch@lst.de>2020-02-27 02:30:38 +0100
committerDarrick J. Wong <darrick.wong@oracle.com>2020-03-03 05:55:54 +0100
commit2f014aad03d8f7042cb796dbd550665ec73988d2 (patch)
tree68130c6a287c1f79c9dd3ad4d0e2ca22a504087d /fs/xfs/xfs_attr_list.c
parentxfs: remove the unused ATTR_ENTRY macro (diff)
downloadlinux-2f014aad03d8f7042cb796dbd550665ec73988d2.tar.xz
linux-2f014aad03d8f7042cb796dbd550665ec73988d2.zip
xfs: open code ATTR_ENTSIZE
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>
Diffstat (limited to 'fs/xfs/xfs_attr_list.c')
-rw-r--r--fs/xfs/xfs_attr_list.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 0fe12474a952..c97e6806cf1f 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -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;