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ceph: use common helper for aborted dir request invalidation 

We invalidate I_COMPLETE and dentry leases in two places: on aborted mds
request and on request replay.  Use common helper to avoid duplicate code.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-05-14 10:02:57 -07:00
parent 85792d0dd6
commit 167c9e352d
3 changed files with 27 additions and 31 deletions
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17
fs/ceph/inode.c
View File

@ -941,21 +941,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
if (!rinfo->head->is_target && !rinfo->head->is_dentry) {
dout("fill_trace reply is empty!\n");
if (rinfo->head->result == 0 && req->r_locked_dir) {
struct ceph_inode_info *ci =
ceph_inode(req->r_locked_dir);
dout(" clearing %p complete (empty trace)\n",
req->r_locked_dir);
spin_lock(&req->r_locked_dir->i_lock);
ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
ci->i_release_count++;
spin_unlock(&req->r_locked_dir->i_lock);
if (req->r_dentry)
ceph_invalidate_dentry_lease(req->r_dentry);
if (req->r_old_dentry)
ceph_invalidate_dentry_lease(req->r_old_dentry);
}
if (rinfo->head->result == 0 && req->r_locked_dir)
ceph_invalidate_dir_request(req);
return 0;
}

39
fs/ceph/mds_client.c
View File

@ -1794,22 +1794,8 @@ int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
mutex_unlock(&req->r_fill_mutex);
if (req->r_locked_dir &&
(req->r_op & CEPH_MDS_OP_WRITE)) {
struct ceph_inode_info *ci =
ceph_inode(req->r_locked_dir);
dout("aborted, clearing I_COMPLETE on %p, leases\n",
req->r_locked_dir);
spin_lock(&req->r_locked_dir->i_lock);
ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
ci->i_release_count++;
spin_unlock(&req->r_locked_dir->i_lock);
if (req->r_dentry)
ceph_invalidate_dentry_lease(req->r_dentry);
if (req->r_old_dentry)
ceph_invalidate_dentry_lease(req->r_old_dentry);
}
(req->r_op & CEPH_MDS_OP_WRITE))
ceph_invalidate_dir_request(req);
} else {
err = req->r_err;
}
@ -1820,6 +1806,27 @@ out:
return err;
}
/*
* Invalidate dir I_COMPLETE, dentry lease state on an aborted MDS
* namespace request.
*/
void ceph_invalidate_dir_request(struct ceph_mds_request *req)
{
struct inode *inode = req->r_locked_dir;
struct ceph_inode_info *ci = ceph_inode(inode);
dout("invalidate_dir_request %p (I_COMPLETE, lease(s))\n", inode);
spin_lock(&inode->i_lock);
ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
ci->i_release_count++;
spin_unlock(&inode->i_lock);
if (req->r_dentry)
ceph_invalidate_dentry_lease(req->r_dentry);
if (req->r_old_dentry)
ceph_invalidate_dentry_lease(req->r_old_dentry);
}
/*
* Handle mds reply.
*

2
fs/ceph/mds_client.h
View File

@ -303,6 +303,8 @@ extern void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc,
struct inode *inode,
struct dentry *dn, int mask);
extern void ceph_invalidate_dir_request(struct ceph_mds_request *req);
extern struct ceph_mds_request *
ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode);
extern void ceph_mdsc_submit_request(struct ceph_mds_client *mdsc,