diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:45:01 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:45:01 -0800 |
commit | 275220f0fcff1adf28a717076e00f575edf05fda (patch) | |
tree | d249bccc80c64443dab211639050c4fb14332648 /fs/btrfs | |
parent | fe3c560b8a22cb28e54fe8950abef38e88d75831 (diff) | |
parent | 81c5e2ae33c4b19e53966b427e33646bf6811830 (diff) |
Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-block: (43 commits)
block: ensure that completion error gets properly traced
blktrace: add missing probe argument to block_bio_complete
block cfq: don't use atomic_t for cfq_group
block cfq: don't use atomic_t for cfq_queue
block: trace event block fix unassigned field
block: add internal hd part table references
block: fix accounting bug on cross partition merges
kref: add kref_test_and_get
bio-integrity: mark kintegrityd_wq highpri and CPU intensive
block: make kblockd_workqueue smarter
Revert "sd: implement sd_check_events()"
block: Clean up exit_io_context() source code.
Fix compile warnings due to missing removal of a 'ret' variable
fs/block: type signature of major_to_index(int) to major_to_index(unsigned)
block: convert !IS_ERR(p) && p to !IS_ERR_NOR_NULL(p)
cfq-iosched: don't check cfqg in choose_service_tree()
fs/splice: Pull buf->ops->confirm() from splice_from_pipe actors
cdrom: export cdrom_check_events()
sd: implement sd_check_events()
sr: implement sr_check_events()
...
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/volumes.c | 28 | ||||
-rw-r--r-- | fs/btrfs/volumes.h | 2 |
2 files changed, 17 insertions, 13 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 6b988450783..1718e1a5c32 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -493,7 +493,7 @@ again: continue; if (device->bdev) { - close_bdev_exclusive(device->bdev, device->mode); + blkdev_put(device->bdev, device->mode); device->bdev = NULL; fs_devices->open_devices--; } @@ -527,7 +527,7 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) list_for_each_entry(device, &fs_devices->devices, dev_list) { if (device->bdev) { - close_bdev_exclusive(device->bdev, device->mode); + blkdev_put(device->bdev, device->mode); fs_devices->open_devices--; } if (device->writeable) { @@ -584,13 +584,15 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices, int seeding = 1; int ret = 0; + flags |= FMODE_EXCL; + list_for_each_entry(device, head, dev_list) { if (device->bdev) continue; if (!device->name) continue; - bdev = open_bdev_exclusive(device->name, flags, holder); + bdev = blkdev_get_by_path(device->name, flags, holder); if (IS_ERR(bdev)) { printk(KERN_INFO "open %s failed\n", device->name); goto error; @@ -642,7 +644,7 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices, error_brelse: brelse(bh); error_close: - close_bdev_exclusive(bdev, FMODE_READ); + blkdev_put(bdev, flags); error: continue; } @@ -688,7 +690,8 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder, mutex_lock(&uuid_mutex); - bdev = open_bdev_exclusive(path, flags, holder); + flags |= FMODE_EXCL; + bdev = blkdev_get_by_path(path, flags, holder); if (IS_ERR(bdev)) { ret = PTR_ERR(bdev); @@ -720,7 +723,7 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder, brelse(bh); error_close: - close_bdev_exclusive(bdev, flags); + blkdev_put(bdev, flags); error: mutex_unlock(&uuid_mutex); return ret; @@ -1183,8 +1186,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) goto out; } } else { - bdev = open_bdev_exclusive(device_path, FMODE_READ, - root->fs_info->bdev_holder); + bdev = blkdev_get_by_path(device_path, FMODE_READ | FMODE_EXCL, + root->fs_info->bdev_holder); if (IS_ERR(bdev)) { ret = PTR_ERR(bdev); goto out; @@ -1251,7 +1254,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) root->fs_info->fs_devices->latest_bdev = next_device->bdev; if (device->bdev) { - close_bdev_exclusive(device->bdev, device->mode); + blkdev_put(device->bdev, device->mode); device->bdev = NULL; device->fs_devices->open_devices--; } @@ -1294,7 +1297,7 @@ error_brelse: brelse(bh); error_close: if (bdev) - close_bdev_exclusive(bdev, FMODE_READ); + blkdev_put(bdev, FMODE_READ | FMODE_EXCL); out: mutex_unlock(&root->fs_info->volume_mutex); mutex_unlock(&uuid_mutex); @@ -1446,7 +1449,8 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) if ((sb->s_flags & MS_RDONLY) && !root->fs_info->fs_devices->seeding) return -EINVAL; - bdev = open_bdev_exclusive(device_path, 0, root->fs_info->bdev_holder); + bdev = blkdev_get_by_path(device_path, FMODE_EXCL, + root->fs_info->bdev_holder); if (IS_ERR(bdev)) return PTR_ERR(bdev); @@ -1572,7 +1576,7 @@ out: mutex_unlock(&root->fs_info->volume_mutex); return ret; error: - close_bdev_exclusive(bdev, 0); + blkdev_put(bdev, FMODE_EXCL); if (seeding_dev) { mutex_unlock(&uuid_mutex); up_write(&sb->s_umount); diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 2740db49eb0..1be78107945 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -50,7 +50,7 @@ struct btrfs_device { struct block_device *bdev; - /* the mode sent to open_bdev_exclusive */ + /* the mode sent to blkdev_get */ fmode_t mode; char *name; |