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xfs: zero allocation_args on the kernel stack

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Zero the kernel stack space that makes up the xfs_alloc_arg structures.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Mark Tinguely 2012-09-20 13:16:45 -05:00 committed by Ben Myers
parent 7e9620f21d
commit 408cc4e97a
3 changed files with 5 additions and 0 deletions
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1
fs/xfs/xfs_alloc.c
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@ -1866,6 +1866,7 @@ xfs_alloc_fix_freelist(
/*
* Initialize the args structure.
*/
memset(&targs, 0, sizeof(targs));
targs.tp = tp;
targs.mp = mp;
targs.agbp = agbp;

3
fs/xfs/xfs_bmap.c
View file

@ -2437,6 +2437,7 @@ xfs_bmap_btalloc(
* Normal allocation, done through xfs_alloc_vextent.
*/
tryagain = isaligned = 0;
memset(&args, 0, sizeof(args));
args.tp = ap->tp;
args.mp = mp;
args.fsbno = ap->blkno;
@ -3082,6 +3083,7 @@ xfs_bmap_extents_to_btree(
* Convert to a btree with two levels, one record in root.
*/
XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE);
memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = mp;
args.firstblock = *firstblock;
@ -3237,6 +3239,7 @@ xfs_bmap_local_to_extents(
xfs_buf_t *bp; /* buffer for extent block */
xfs_bmbt_rec_host_t *ep;/* extent record pointer */
memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = ip->i_mount;
args.firstblock = *firstblock;

1
fs/xfs/xfs_ialloc.c
View file

@ -250,6 +250,7 @@ xfs_ialloc_ag_alloc(
/* boundary */
struct xfs_perag *pag;
memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = tp->t_mountp;