diff options
| author | Benjamin Coddington <bcodding@redhat.com> | 2019-05-23 10:45:44 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2019-07-03 17:52:08 -0400 |
| commit | 9de3ec1d57113e270638254868675d9c048b071e (patch) | |
| tree | 3b43cd5bf906069aa10f9ff3392fe456894a3ad1 /fs | |
| parent | 22a46eb44016eec3384da3731a2d47a5d3c91955 (diff) | |
| download | linux-9de3ec1d57113e270638254868675d9c048b071e.tar.bz2 | |
lockd: prepare nlm_lockowner for use by the server
The nlm_lockowner structure that the client uses to track locks is
generally useful to the server as well. Very similar functions to handle
allocation and tracking of the nlm_lockowner will follow. Rename the client
functions for clarity.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/lockd/clntproc.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 62f98225abb3..0ff8ad42c9da 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -47,13 +47,14 @@ void nlmclnt_next_cookie(struct nlm_cookie *c) c->len=4; } -static struct nlm_lockowner *nlm_get_lockowner(struct nlm_lockowner *lockowner) +static struct nlm_lockowner * +nlmclnt_get_lockowner(struct nlm_lockowner *lockowner) { refcount_inc(&lockowner->count); return lockowner; } -static void nlm_put_lockowner(struct nlm_lockowner *lockowner) +void nlmclnt_put_lockowner(struct nlm_lockowner *lockowner) { if (!refcount_dec_and_lock(&lockowner->count, &lockowner->host->h_lock)) return; @@ -82,28 +83,28 @@ static inline uint32_t __nlm_alloc_pid(struct nlm_host *host) return res; } -static struct nlm_lockowner *__nlm_find_lockowner(struct nlm_host *host, fl_owner_t owner) +static struct nlm_lockowner *__nlmclnt_find_lockowner(struct nlm_host *host, fl_owner_t owner) { struct nlm_lockowner *lockowner; list_for_each_entry(lockowner, &host->h_lockowners, list) { if (lockowner->owner != owner) continue; - return nlm_get_lockowner(lockowner); + return nlmclnt_get_lockowner(lockowner); } return NULL; } -static struct nlm_lockowner *nlm_find_lockowner(struct nlm_host *host, fl_owner_t owner) +static struct nlm_lockowner *nlmclnt_find_lockowner(struct nlm_host *host, fl_owner_t owner) { struct nlm_lockowner *res, *new = NULL; spin_lock(&host->h_lock); - res = __nlm_find_lockowner(host, owner); + res = __nlmclnt_find_lockowner(host, owner); if (res == NULL) { spin_unlock(&host->h_lock); new = kmalloc(sizeof(*new), GFP_KERNEL); spin_lock(&host->h_lock); - res = __nlm_find_lockowner(host, owner); + res = __nlmclnt_find_lockowner(host, owner); if (res == NULL && new != NULL) { res = new; refcount_set(&new->count, 1); @@ -457,7 +458,7 @@ static void nlmclnt_locks_copy_lock(struct file_lock *new, struct file_lock *fl) { spin_lock(&fl->fl_u.nfs_fl.owner->host->h_lock); new->fl_u.nfs_fl.state = fl->fl_u.nfs_fl.state; - new->fl_u.nfs_fl.owner = nlm_get_lockowner(fl->fl_u.nfs_fl.owner); + new->fl_u.nfs_fl.owner = nlmclnt_get_lockowner(fl->fl_u.nfs_fl.owner); list_add_tail(&new->fl_u.nfs_fl.list, &fl->fl_u.nfs_fl.owner->host->h_granted); spin_unlock(&fl->fl_u.nfs_fl.owner->host->h_lock); } @@ -467,7 +468,7 @@ static void nlmclnt_locks_release_private(struct file_lock *fl) spin_lock(&fl->fl_u.nfs_fl.owner->host->h_lock); list_del(&fl->fl_u.nfs_fl.list); spin_unlock(&fl->fl_u.nfs_fl.owner->host->h_lock); - nlm_put_lockowner(fl->fl_u.nfs_fl.owner); + nlmclnt_put_lockowner(fl->fl_u.nfs_fl.owner); } static const struct file_lock_operations nlmclnt_lock_ops = { @@ -478,7 +479,7 @@ static const struct file_lock_operations nlmclnt_lock_ops = { static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host) { fl->fl_u.nfs_fl.state = 0; - fl->fl_u.nfs_fl.owner = nlm_find_lockowner(host, fl->fl_owner); + fl->fl_u.nfs_fl.owner = nlmclnt_find_lockowner(host, fl->fl_owner); INIT_LIST_HEAD(&fl->fl_u.nfs_fl.list); fl->fl_ops = &nlmclnt_lock_ops; } |