Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2bc50259 authored by Greg Farnum's avatar Greg Farnum Committed by Sage Weil
Browse files

ceph: add ceph_get_cap_for_mds function. 



Signed-off-by: default avatarGreg Farnum <gregf@hq.newdream.net>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent 154f42c2

fs/ceph/caps.c

+10 −0
Original line number Diff line number Diff line
@@ -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.

 */

fs/ceph/super.h

+2 −0
Original line number Diff line number Diff line
@@ -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);