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authorChristoph Hellwig <hch@lst.de>2015-02-16 03:49:23 +0300
committerDave Chinner <david@fromorbit.com>2015-02-16 03:49:23 +0300
commit527851124d10f9c50b1c578e0a56fcd49922422d (patch)
treef16dd8e452ae24ce6802cfb8c6baa53588de91ab /fs/xfs/xfs_fsops.c
parentbad962662dbc60e76ec1baae34af56b1ba2dfa5f (diff)
downloadlinux-527851124d10f9c50b1c578e0a56fcd49922422d.tar.xz
xfs: implement pNFS export operations
Add operations to export pNFS block layouts from an XFS filesystem. See the previous commit adding the operations for an explanation of them. 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_fsops.c')
-rw-r--r--fs/xfs/xfs_fsops.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index fba6532efba4..74efe5b760dc 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -602,6 +602,12 @@ xfs_growfs_data(
if (!mutex_trylock(&mp->m_growlock))
return -EWOULDBLOCK;
error = xfs_growfs_data_private(mp, in);
+ /*
+ * Increment the generation unconditionally, the error could be from
+ * updating the secondary superblocks, in which case the new size
+ * is live already.
+ */
+ mp->m_generation++;
mutex_unlock(&mp->m_growlock);
return error;
}