diff options
| author | Patrick McHardy <kaber@trash.net> | 2010-04-20 16:02:01 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-04-20 16:02:01 +0200 |
| commit | 62910554656cdcd6b6f84a5154c4155aae4ca231 (patch) | |
| tree | dcf14004f6fd2ef7154362ff948bfeba0f3ea92d /drivers/block/drbd/drbd_bitmap.c | |
| parent | netfilter: xt_TEE: resolve oif using netdevice notifiers (diff) | |
| parent | net: emphasize rtnl lock required in call_netdevice_notifiers (diff) | |
| download | linux-62910554656cdcd6b6f84a5154c4155aae4ca231.tar.xz linux-62910554656cdcd6b6f84a5154c4155aae4ca231.zip | |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
net/ipv6/netfilter/ip6t_REJECT.c
net/netfilter/xt_limit.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'drivers/block/drbd/drbd_bitmap.c')
| -rw-r--r-- | drivers/block/drbd/drbd_bitmap.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index b61057e77882..3390716898d5 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -26,6 +26,7 @@ #include <linux/vmalloc.h> #include <linux/string.h> #include <linux/drbd.h> +#include <linux/slab.h> #include <asm/kmap_types.h> #include "drbd_int.h" @@ -66,7 +67,7 @@ struct drbd_bitmap { size_t bm_words; size_t bm_number_of_pages; sector_t bm_dev_capacity; - struct semaphore bm_change; /* serializes resize operations */ + struct mutex bm_change; /* serializes resize operations */ atomic_t bm_async_io; wait_queue_head_t bm_io_wait; @@ -114,7 +115,7 @@ void drbd_bm_lock(struct drbd_conf *mdev, char *why) return; } - trylock_failed = down_trylock(&b->bm_change); + trylock_failed = !mutex_trylock(&b->bm_change); if (trylock_failed) { dev_warn(DEV, "%s going to '%s' but bitmap already locked for '%s' by %s\n", @@ -125,7 +126,7 @@ void drbd_bm_lock(struct drbd_conf *mdev, char *why) b->bm_task == mdev->receiver.task ? "receiver" : b->bm_task == mdev->asender.task ? "asender" : b->bm_task == mdev->worker.task ? "worker" : "?"); - down(&b->bm_change); + mutex_lock(&b->bm_change); } if (__test_and_set_bit(BM_LOCKED, &b->bm_flags)) dev_err(DEV, "FIXME bitmap already locked in bm_lock\n"); @@ -147,7 +148,7 @@ void drbd_bm_unlock(struct drbd_conf *mdev) b->bm_why = NULL; b->bm_task = NULL; - up(&b->bm_change); + mutex_unlock(&b->bm_change); } /* word offset to long pointer */ @@ -295,7 +296,7 @@ int drbd_bm_init(struct drbd_conf *mdev) if (!b) return -ENOMEM; spin_lock_init(&b->bm_lock); - init_MUTEX(&b->bm_change); + mutex_init(&b->bm_change); init_waitqueue_head(&b->bm_io_wait); mdev->bitmap = b; |