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| author | Ingo Molnar <mingo@elte.hu> | 2006-03-26 01:37:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-26 08:56:55 -0800 |
| commit | 353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1 (patch) | |
| tree | bffabd9a5a493ffd2b41dd825e71e848ca6ba6d7 /fs/lockd/svc.c | |
| parent | e655a250d5fc12b6dfe0d436180ba4a3bfffdc9f (diff) | |
| download | linux-3.10-353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1.tar.gz linux-3.10-353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1.tar.bz2 linux-3.10-353ab6e97b8f209dbecc9f650f1f84e3da2a7bb1.zip | |
[PATCH] sem2mutex: fs/
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/lockd/svc.c')
| -rw-r--r-- | fs/lockd/svc.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 5e85bde6c12..fd56c8872f3 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/smp.h> #include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/sunrpc/types.h> #include <linux/sunrpc/stats.h> @@ -43,13 +44,13 @@ static struct svc_program nlmsvc_program; struct nlmsvc_binding * nlmsvc_ops; EXPORT_SYMBOL(nlmsvc_ops); -static DECLARE_MUTEX(nlmsvc_sema); +static DEFINE_MUTEX(nlmsvc_mutex); static unsigned int nlmsvc_users; static pid_t nlmsvc_pid; int nlmsvc_grace_period; unsigned long nlmsvc_timeout; -static DECLARE_MUTEX_LOCKED(lockd_start); +static DECLARE_COMPLETION(lockd_start_done); static DECLARE_WAIT_QUEUE_HEAD(lockd_exit); /* @@ -112,7 +113,7 @@ lockd(struct svc_rqst *rqstp) * Let our maker know we're running. */ nlmsvc_pid = current->pid; - up(&lockd_start); + complete(&lockd_start_done); daemonize("lockd"); @@ -215,7 +216,7 @@ lockd_up(void) struct svc_serv * serv; int error = 0; - down(&nlmsvc_sema); + mutex_lock(&nlmsvc_mutex); /* * Unconditionally increment the user count ... this is * the number of clients who _want_ a lockd process. @@ -263,7 +264,7 @@ lockd_up(void) "lockd_up: create thread failed, error=%d\n", error); goto destroy_and_out; } - down(&lockd_start); + wait_for_completion(&lockd_start_done); /* * Note: svc_serv structures have an initial use count of 1, @@ -272,7 +273,7 @@ lockd_up(void) destroy_and_out: svc_destroy(serv); out: - up(&nlmsvc_sema); + mutex_unlock(&nlmsvc_mutex); return error; } EXPORT_SYMBOL(lockd_up); @@ -285,7 +286,7 @@ lockd_down(void) { static int warned; - down(&nlmsvc_sema); + mutex_lock(&nlmsvc_mutex); if (nlmsvc_users) { if (--nlmsvc_users) goto out; @@ -315,7 +316,7 @@ lockd_down(void) recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); out: - up(&nlmsvc_sema); + mutex_unlock(&nlmsvc_mutex); } EXPORT_SYMBOL(lockd_down); |