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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-05 20:34:28 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-05 20:34:28 -0700 |
commit | 7d9071a095023cd1db8fa18fa0d648dc1a5210e0 (patch) | |
tree | 072b462e43912b9dfc321136f3367114dcb8f2b3 /fs/btrfs/transaction.c | |
parent | bd779669945ed9982890da789ad32e3bd0d41f14 (diff) | |
parent | 397d425dc26da728396e66d392d5dcb8dac30c37 (diff) | |
download | op-kernel-dev-7d9071a095023cd1db8fa18fa0d648dc1a5210e0.zip op-kernel-dev-7d9071a095023cd1db8fa18fa0d648dc1a5210e0.tar.gz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro:
"In this one:
- d_move fixes (Eric Biederman)
- UFS fixes (me; locking is mostly sane now, a bunch of bugs in error
handling ought to be fixed)
- switch of sb_writers to percpu rwsem (Oleg Nesterov)
- superblock scalability (Josef Bacik and Dave Chinner)
- swapon(2) race fix (Hugh Dickins)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (65 commits)
vfs: Test for and handle paths that are unreachable from their mnt_root
dcache: Reduce the scope of i_lock in d_splice_alias
dcache: Handle escaped paths in prepend_path
mm: fix potential data race in SyS_swapon
inode: don't softlockup when evicting inodes
inode: rename i_wb_list to i_io_list
sync: serialise per-superblock sync operations
inode: convert inode_sb_list_lock to per-sb
inode: add hlist_fake to avoid the inode hash lock in evict
writeback: plug writeback at a high level
change sb_writers to use percpu_rw_semaphore
shift percpu_counter_destroy() into destroy_super_work()
percpu-rwsem: kill CONFIG_PERCPU_RWSEM
percpu-rwsem: introduce percpu_rwsem_release() and percpu_rwsem_acquire()
percpu-rwsem: introduce percpu_down_read_trylock()
document rwsem_release() in sb_wait_write()
fix the broken lockdep logic in __sb_start_write()
introduce __sb_writers_{acquired,release}() helpers
ufs_inode_get{frag,block}(): get rid of 'phys' argument
ufs_getfrag_block(): tidy up a bit
...
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r-- | fs/btrfs/transaction.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 68ad89e..8f259b3 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1640,9 +1640,7 @@ static void do_async_commit(struct work_struct *work) * Tell lockdep about it. */ if (ac->newtrans->type & __TRANS_FREEZABLE) - rwsem_acquire_read( - &ac->root->fs_info->sb->s_writers.lock_map[SB_FREEZE_FS-1], - 0, 1, _THIS_IP_); + __sb_writers_acquired(ac->root->fs_info->sb, SB_FREEZE_FS); current->journal_info = ac->newtrans; @@ -1681,9 +1679,7 @@ int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans, * async commit thread will be the one to unlock it. */ if (ac->newtrans->type & __TRANS_FREEZABLE) - rwsem_release( - &root->fs_info->sb->s_writers.lock_map[SB_FREEZE_FS-1], - 1, _THIS_IP_); + __sb_writers_release(root->fs_info->sb, SB_FREEZE_FS); schedule_work(&ac->work); |