lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

xfs: using GFP_NOFS for blkdev_issue_flush

Browse Source 
Issuing a block device flush request in transaction context using GFP_KERNEL
directly can cause deadlocks due to memory reclaim recursion. Use GFP_NOFS to
avoid recursion from reclaim context.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Shaohua Li
2012-04-24 21:23:46 +08:00
committed by Ben Myers
parent 01c84d2dc1
commit 7582df516c
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
fs/xfs/xfs_super.c
View File

@@ -622,7 +622,7 @@ void
xfs_blkdev_issue_flush( xfs_blkdev_issue_flush(
xfs_buftarg_t *buftarg) xfs_buftarg_t *buftarg)
{ {
blkdev_issue_flush(buftarg->bt_bdev, GFP_KERNEL, NULL); blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS, NULL);
} }
STATIC void STATIC void