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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 18:11:16 +0200 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 18:11:16 +0200 |
| commit | 46eeb521b95247170d2db773bb4cc8fb3de1d85c (patch) | |
| tree | 4a66989f821d978e127e44f2a00840419ad6adcd /fs/xfs/xfs_pnfs.c | |
| parent | xfs: define tracepoints for refcount btree activities (diff) | |
| download | linux-46eeb521b95247170d2db773bb4cc8fb3de1d85c.tar.xz linux-46eeb521b95247170d2db773bb4cc8fb3de1d85c.zip | |
xfs: introduce refcount btree definitions
Add new per-AG refcount btree definitions to the per-AG structures.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_pnfs.c')
| -rw-r--r-- | fs/xfs/xfs_pnfs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c index 0f14b2e4bf6c..93a7aafa56d6 100644 --- a/fs/xfs/xfs_pnfs.c +++ b/fs/xfs/xfs_pnfs.c @@ -114,6 +114,13 @@ xfs_fs_map_blocks( return -ENXIO; /* + * The pNFS block layout spec actually supports reflink like + * functionality, but the Linux pNFS server doesn't implement it yet. + */ + if (xfs_is_reflink_inode(ip)) + return -ENXIO; + + /* * Lock out any other I/O before we flush and invalidate the pagecache, * and then hand out a layout to the remote system. This is very * similar to direct I/O, except that the synchronization is much more |