xfs: use GPF_NOFS when allocating btree cursors

Use NOFS for allocating btree cursors, since they can be called
under the ilock.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
index 5ba2dac..c06ec77 100644 (file)
--- a/fs/xfs/libxfs/xfs_alloc_btree.c
+++ b/fs/xfs/libxfs/xfs_alloc_btree.c
@@ -421,7 +421,7 @@ xfs_allocbt_init_cursor(
 
        ASSERT(btnum == XFS_BTNUM_BNO || btnum == XFS_BTNUM_CNT);
 
-       cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_SLEEP);
+       cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS);
 
        cur->bc_tp = tp;
        cur->bc_mp = mp;

diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 8007d2b..049fa59 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -796,7 +796,7 @@ xfs_bmbt_init_cursor(
        struct xfs_btree_cur    *cur;
        ASSERT(whichfork != XFS_COW_FORK);
 
-       cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_SLEEP);
+       cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS);
 
        cur->bc_tp = tp;
        cur->bc_mp = mp;

diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index eab68ae..6c6b959 100644 (file)
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -357,7 +357,7 @@ xfs_inobt_init_cursor(
        struct xfs_agi          *agi = XFS_BUF_TO_AGI(agbp);
        struct xfs_btree_cur    *cur;
 
-       cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_SLEEP);
+       cur = kmem_zone_zalloc(xfs_btree_cur_zone, KM_NOFS);
 
        cur->bc_tp = tp;
        cur->bc_mp = mp;