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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:22:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:22:42 -0700 |
| commit | 2f9e825d3e0e2b407ae8f082de5c00afcf7378fb (patch) | |
| tree | f8b3ee40674ce4acd5508a0a0bf52a30904caf6c /fs/block_dev.c | |
| parent | 7ae0dea900b027cd90e8a3e14deca9a19e17638b (diff) | |
| parent | de75d60d5ea235e6e09f4962ab22541ce0fe176a (diff) | |
| download | linux-stable-2f9e825d3e0e2b407ae8f082de5c00afcf7378fb.tar.gz linux-stable-2f9e825d3e0e2b407ae8f082de5c00afcf7378fb.tar.bz2 linux-stable-2f9e825d3e0e2b407ae8f082de5c00afcf7378fb.zip | |
Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block: (149 commits)
block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n
xen-blkfront: fix missing out label
blkdev: fix blkdev_issue_zeroout return value
block: update request stacking methods to support discards
block: fix missing export of blk_types.h
writeback: fix bad _bh spinlock nesting
drbd: revert "delay probes", feature is being re-implemented differently
drbd: Initialize all members of sync_conf to their defaults [Bugz 315]
drbd: Disable delay probes for the upcomming release
writeback: cleanup bdi_register
writeback: add new tracepoints
writeback: remove unnecessary init_timer call
writeback: optimize periodic bdi thread wakeups
writeback: prevent unnecessary bdi threads wakeups
writeback: move bdi threads exiting logic to the forker thread
writeback: restructure bdi forker loop a little
writeback: move last_active to bdi
writeback: do not remove bdi from bdi_list
writeback: simplify bdi code a little
writeback: do not lose wake-ups in bdi threads
...
Fixed up pretty trivial conflicts in drivers/block/virtio_blk.c and
drivers/scsi/scsi_error.c as per Jens.
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 451afbd543b5..66411463b734 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1346,13 +1346,12 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) return ret; } - lock_kernel(); restart: ret = -ENXIO; disk = get_gendisk(bdev->bd_dev, &partno); if (!disk) - goto out_unlock_kernel; + goto out; mutex_lock_nested(&bdev->bd_mutex, for_part); if (!bdev->bd_openers) { @@ -1432,7 +1431,6 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) if (for_part) bdev->bd_part_count++; mutex_unlock(&bdev->bd_mutex); - unlock_kernel(); return 0; out_clear: @@ -1445,9 +1443,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part) bdev->bd_contains = NULL; out_unlock_bdev: mutex_unlock(&bdev->bd_mutex); - out_unlock_kernel: - unlock_kernel(); - + out: if (disk) module_put(disk->fops->owner); put_disk(disk); @@ -1516,7 +1512,6 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part) struct block_device *victim = NULL; mutex_lock_nested(&bdev->bd_mutex, for_part); - lock_kernel(); if (for_part) bdev->bd_part_count--; @@ -1541,7 +1536,6 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part) victim = bdev->bd_contains; bdev->bd_contains = NULL; } - unlock_kernel(); mutex_unlock(&bdev->bd_mutex); bdput(bdev); if (victim) |