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| author | Christoph Hellwig <hch@lst.de> | 2015-02-16 11:59:50 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2015-02-16 11:59:50 +1100 |
| commit | 781355c6e5ae87908de27dec3380a34918c33eee (patch) | |
| tree | 9c747dd4207fae358368c3217d5e71f7d3a0af38 /fs/xfs/xfs_ioctl.c | |
| parent | 527851124d10f9c50b1c578e0a56fcd49922422d (diff) | |
| download | op-kernel-dev-781355c6e5ae87908de27dec3380a34918c33eee.zip op-kernel-dev-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.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index f7afb86..bf70a2a 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; } |
