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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2017-08-04 15:40:45 +0300 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2017-08-10 18:51:02 +0300 |
| commit | a91323e255fa8bc84b0acf63376b395c534a38fa (patch) | |
| tree | f193b2fd5dbe00591267426cf09021bb599d35d1 /fs/gfs2 | |
| parent | 6a1c8f6dcf815d96197a2723781cf700925d17ed (diff) | |
| download | linux-a91323e255fa8bc84b0acf63376b395c534a38fa.tar.xz | |
gfs2: Clean up waiting on glocks
The prepare_to_wait_on_glock and finish_wait_on_glock functions introduced in
commit 56a365be "gfs2: gfs2_glock_get: Wait on freeing glocks" are
better removed, resulting in cleaner code.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/glock.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 5ad757f0ce60..ffca19598525 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -112,23 +112,6 @@ static wait_queue_head_t *glock_waitqueue(struct lm_lockname *name) return glock_wait_table + hash_32(hash, GLOCK_WAIT_TABLE_BITS); } -static void prepare_to_wait_on_glock(wait_queue_head_t **wq, - struct wait_glock_queue *wait, - struct lm_lockname *name) -{ - wait->name = name; - init_wait(&wait->wait); - wait->wait.func = glock_wake_function; - *wq = glock_waitqueue(name); - prepare_to_wait(*wq, &wait->wait, TASK_UNINTERRUPTIBLE); -} - -static void finish_wait_on_glock(wait_queue_head_t *wq, - struct wait_glock_queue *wait) -{ - finish_wait(wq, &wait->wait); -} - /** * wake_up_glock - Wake up waiters on a glock * @gl: the glock @@ -754,11 +737,15 @@ static struct gfs2_glock *find_insert_glock(struct lm_lockname *name, struct gfs2_glock *new) { struct wait_glock_queue wait; - wait_queue_head_t *wq; + wait_queue_head_t *wq = glock_waitqueue(name); struct gfs2_glock *gl; + wait.name = name; + init_wait(&wait.wait); + wait.wait.func = glock_wake_function; + again: - prepare_to_wait_on_glock(&wq, &wait, name); + prepare_to_wait(wq, &wait.wait, TASK_UNINTERRUPTIBLE); rcu_read_lock(); if (new) { gl = rhashtable_lookup_get_insert_fast(&gl_hash_table, @@ -776,7 +763,7 @@ again: } out: rcu_read_unlock(); - finish_wait_on_glock(wq, &wait); + finish_wait(wq, &wait.wait); return gl; } |