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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-01-29 08:13:25 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2011-03-14 09:15:28 -0400
commit5fe0c2378884e68beb532f5890cc0e3539ac747b (patch)
treebe25414052184e146049ea6466854366559d5528 /fs/xfs/linux-2.6/xfs_export.c
parentc8b91accfa1059d5565443193d89572eca2f5dd6 (diff)
exportfs: Return the minimum required handle size
The exportfs encode handle function should return the minimum required handle size. This helps user to find out the handle size by passing 0 handle size in the first step and then redoing to the call again with the returned handle size value. Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_export.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_export.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index fc0114da7fdd..f4f878fc0083 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -89,8 +89,10 @@ xfs_fs_encode_fh(
89 * seven combinations work. The real answer is "don't use v2". 89 * seven combinations work. The real answer is "don't use v2".
90 */ 90 */
91 len = xfs_fileid_length(fileid_type); 91 len = xfs_fileid_length(fileid_type);
92 if (*max_len < len) 92 if (*max_len < len) {
93 *max_len = len;
93 return 255; 94 return 255;
95 }
94 *max_len = len; 96 *max_len = len;
95 97
96 switch (fileid_type) { 98 switch (fileid_type) {