aboutsummaryrefslogtreecommitdiff
path: root/fs/ceph
diff options
context:
space:
mode:
authorSage Weil <sage@inktank.com>2013-01-31 11:53:41 -0800
committerSage Weil <sage@inktank.com>2013-02-13 18:25:51 -0800
commit3adf654ddbc355c23d75c6684128d4b067a7b792 (patch)
treef667b613bfc1d08494628a4e4641cbf9ab30563f /fs/ceph
parent8860147a01c4243f64f7d602dbf8342ca616ed45 (diff)
downloadlinux-stericsson-3adf654ddbc355c23d75c6684128d4b067a7b792.tar.gz
ceph: pass unhandled ceph.* setxattrs through to MDS
If we do not specifically understand a setxattr on a ceph.* virtual xattr, send it through to the MDS. This allows us to implement new functionality via the MDS without direct support on the client side. Signed-off-by: Sage Weil <sage@inktank.com> Reviewed-by: Sam Lang <sam.lang@inktank.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/xattr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 43063d0dee8f..edc47de77fed 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -777,6 +777,10 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
if (vxattr && vxattr->readonly)
return -EOPNOTSUPP;
+ /* pass any unhandled ceph.* xattrs through to the MDS */
+ if (!strncmp(name, XATTR_CEPH_PREFIX, XATTR_CEPH_PREFIX_LEN))
+ goto do_sync_unlocked;
+
/* preallocate memory for xattr name, value, index node */
err = -ENOMEM;
newname = kmemdup(name, name_len + 1, GFP_NOFS);
@@ -833,6 +837,7 @@ retry:
do_sync:
spin_unlock(&ci->i_ceph_lock);
+do_sync_unlocked:
err = ceph_sync_setxattr(dentry, name, value, size, flags);
out:
kfree(newname);