Ceph » CephFS

struct inode *ceph_lookup_inode(struct super_block *sb, struct ceph_vino vino)

{

struct inode *inode;

ino_t t = ceph_vino_to_ino(vino);

inode = ilookup5_nowait(sb, t, ceph_ino_compare, &vino);

return inode;

}

spin_lock(&session->s_cap_lock);

if (session->s_nr_caps > 0) {

struct super_block *sb = session->s_mdsc->fsc->sb;

struct inode *inode;

struct ceph_cap *cap, *prev = NULL;

struct ceph_vino vino;

/*

* iterate_session_caps() skips inodes that are being

* deleted, we need to wait until deletions are complete.

* __wait_on_freeing_inode() is designed for the job,

* but it is not exported, so use lookup inode function

* to access it.

*/

while (!list_empty(&session->s_caps)) {

cap = list_entry(session->s_caps.next,

struct ceph_cap, session_caps);

if (cap == prev)

break;

prev = cap;

vino = cap->ci->i_vino;

spin_unlock(&session->s_cap_lock);

inode = ceph_lookup_inode(sb, vino);

iput(inode);

spin_lock(&session->s_cap_lock);

}

}

spin_unlock(&session->s_cap_lock);

extern struct inode *ceph_lookup_inode(struct super_block *sb,

struct ceph_vino vino);