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authorGreg Farnum <gregf@hq.newdream.net>2010-06-30 12:44:34 -0700
committerSage Weil <sage@newdream.net>2010-08-01 20:11:41 -0700
commit2bc50259fa0aa1868f8b2ba1d374406cb3c57f72 (patch)
tree0c8d510478866b4fdeafeb7953395226f0b8fb25 /fs/ceph
parent154f42c2c3c3b66a7a63dad5648e8a9860a32af9 (diff)
downloadblackbird-op-linux-2bc50259fa0aa1868f8b2ba1d374406cb3c57f72.tar.gz
blackbird-op-linux-2bc50259fa0aa1868f8b2ba1d374406cb3c57f72.zip
ceph: add ceph_get_cap_for_mds function.
Signed-off-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/caps.c10
-rw-r--r--fs/ceph/super.h2
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 52befa65fbf7..e3b848d7698d 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -327,6 +327,16 @@ static struct ceph_cap *__get_cap_for_mds(struct ceph_inode_info *ci, int mds)
return NULL;
}
+struct ceph_cap *ceph_get_cap_for_mds(struct ceph_inode_info *ci, int mds)
+{
+ struct ceph_cap *cap;
+
+ spin_lock(&ci->vfs_inode.i_lock);
+ cap = __get_cap_for_mds(ci, mds);
+ spin_unlock(&ci->vfs_inode.i_lock);
+ return cap;
+}
+
/*
* Return id of any MDS with a cap, preferably FILE_WR|BUFFER|EXCL, else -1.
*/
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 44d10cb0aeca..8ceb62380d3f 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -816,6 +816,8 @@ extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc);
extern int ceph_fsync(struct file *file, int datasync);
extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
struct ceph_mds_session *session);
+extern struct ceph_cap *ceph_get_cap_for_mds(struct ceph_inode_info *ci,
+ int mds);
extern int ceph_get_cap_mds(struct inode *inode);
extern void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps);
extern void ceph_put_cap_refs(struct ceph_inode_info *ci, int had);
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