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authorChristoph Hellwig <hch@lst.de>2015-02-16 11:59:50 +1100
committerDave Chinner <david@fromorbit.com>2015-02-16 11:59:50 +1100
commit781355c6e5ae87908de27dec3380a34918c33eee (patch)
tree9c747dd4207fae358368c3217d5e71f7d3a0af38 /fs/xfs/xfs_ioctl.c
parent527851124d10f9c50b1c578e0a56fcd49922422d (diff)
downloadlinux-stericsson-781355c6e5ae87908de27dec3380a34918c33eee.tar.gz
xfs: recall pNFS layouts on conflicting access
Recall all outstanding pNFS layouts and truncates, writes and similar extent list modifying operations. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r--fs/xfs/xfs_ioctl.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index f7afb86c9148..bf70a2affb05 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -39,6 +39,7 @@
#include "xfs_icache.h"
#include "xfs_symlink.h"
#include "xfs_trans.h"
+#include "xfs_pnfs.h"
#include <linux/capability.h>
#include <linux/dcache.h>
@@ -608,6 +609,7 @@ xfs_ioc_space(
{
struct iattr iattr;
enum xfs_prealloc_flags flags = 0;
+ uint iolock = XFS_IOLOCK_EXCL;
int error;
/*
@@ -636,7 +638,10 @@ xfs_ioc_space(
if (error)
return error;
- xfs_ilock(ip, XFS_IOLOCK_EXCL);
+ xfs_ilock(ip, iolock);
+ error = xfs_break_layouts(inode, &iolock);
+ if (error)
+ goto out_unlock;
switch (bf->l_whence) {
case 0: /*SEEK_SET*/
@@ -725,7 +730,7 @@ xfs_ioc_space(
error = xfs_update_prealloc_flags(ip, flags);
out_unlock:
- xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ xfs_iunlock(ip, iolock);
mnt_drop_write_file(filp);
return error;
}