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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

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* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: prevent RAID level downgrades when space is low
  Btrfs: account for missing devices in RAID allocation profiles
  Btrfs: EIO when we fail to read tree roots
  Btrfs: fix compiler warnings
  Btrfs: Make async snapshot ioctl more generic
  Btrfs: pwrite blocked when writing from the mmaped buffer of the same page
  Btrfs: Fix a crash when mounting a subvolume
  Btrfs: fix sync subvol/snapshot creation
  Btrfs: Fix page leak in compressed writeback path
  Btrfs: do not BUG if we fail to remove the orphan item for dead snapshots
  Btrfs: fixup return code for btrfs_del_orphan_item
  Btrfs: do not do fast caching if we are allocating blocks for tree_root
  Btrfs: deal with space cache errors better
  Btrfs: fix use after free in O_DIRECT
This commit is contained in:
Linus Torvalds
2010-12-14 11:08:13 -08:00
parent 073f21ae13 83a50de97f
commit e13cf63f2b
11 changed files with 209 additions and 96 deletions
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2
fs/btrfs/volumes.h
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@@ -44,6 +44,7 @@ struct btrfs_device {
int writeable;
int in_fs_metadata;
int missing;
spinlock_t io_lock;
@@ -93,6 +94,7 @@ struct btrfs_fs_devices {
u64 num_devices;
u64 open_devices;
u64 rw_devices;
u64 missing_devices;
u64 total_rw_bytes;
struct block_device *latest_bdev;