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xfs: clean up scrub usage of KM_NOFS 

All scrub code runs in transaction context, which means that memory
allocations are automatically run in PF_MEMALLOC_NOFS context.  It's
therefore unnecessary to pass in KM_NOFS to allocation routines, so
clean them all out.

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 2018-05-09 10:02:00 -07:00
parent eb41c93fef
commit 631fc955bd
3 changed files with 4 additions and 3 deletions
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3
fs/xfs/scrub/agheader.c
View File

@ -797,7 +797,8 @@ xfs_scrub_agfl(
}
memset(&sai, 0, sizeof(sai));
sai.sz_entries = agflcount;
sai.entries = kmem_zalloc(sizeof(xfs_agblock_t) * agflcount, KM_NOFS);
sai.entries = kmem_zalloc(sizeof(xfs_agblock_t) * agflcount,
KM_MAYFAIL);
if (!sai.entries) {
error = -ENOMEM;
goto out;

2
fs/xfs/scrub/btree.c
View File

@ -442,7 +442,7 @@ xfs_scrub_btree_check_owner(
*/
if (cur->bc_btnum == XFS_BTNUM_BNO || cur->bc_btnum == XFS_BTNUM_RMAP) {
co = kmem_alloc(sizeof(struct check_owner),
KM_MAYFAIL | KM_NOFS);
KM_MAYFAIL);
if (!co)
return -ENOMEM;
co->level = level;

2
fs/xfs/scrub/refcount.c
View File

@ -150,7 +150,7 @@ xfs_scrub_refcountbt_rmap_check(
* so we don't need insertion sort here.
*/
frag = kmem_alloc(sizeof(struct xfs_scrub_refcnt_frag),
KM_MAYFAIL | KM_NOFS);
KM_MAYFAIL);
if (!frag)
return -ENOMEM;
memcpy(&frag->rm, rec, sizeof(frag->rm));