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| author | Oleg Nesterov <oleg@redhat.com> | 2015-07-19 23:48:20 +0200 |
|---|---|---|
| committer | Oleg Nesterov <oleg@redhat.com> | 2015-08-15 13:52:08 +0200 |
| commit | bee9182d955227f01ff3b80c4cb6acca9bb40b11 (patch) | |
| tree | 3237b122991b6f44913f47561e52c344d7725fb1 /fs/xfs/xfs_aops.c | |
| parent | 45e38cff4fce8d6871b5fa5e734e4dc9814d6056 (diff) | |
| download | linux-bee9182d955227f01ff3b80c4cb6acca9bb40b11.tar.bz2 | |
introduce __sb_writers_{acquired,release}() helpers
Preparation to hide the sb->s_writers internals from xfs and btrfs.
Add 2 trivial define's they can use rather than play with ->s_writers
directly. No changes in btrfs/transaction.o and xfs/xfs_aops.o.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Jan Kara <jack@suse.com>
Diffstat (limited to 'fs/xfs/xfs_aops.c')
| -rw-r--r-- | fs/xfs/xfs_aops.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 3859f5e27a4d..9bbb3507376a 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -119,8 +119,7 @@ xfs_setfilesize_trans_alloc( * We may pass freeze protection with a transaction. So tell lockdep * we released it. */ - rwsem_release(&ioend->io_inode->i_sb->s_writers.lock_map[SB_FREEZE_FS-1], - 1, _THIS_IP_); + __sb_writers_release(ioend->io_inode->i_sb, SB_FREEZE_FS); /* * We hand off the transaction to the completion thread now, so * clear the flag here. @@ -171,8 +170,7 @@ xfs_setfilesize_ioend( * Similarly for freeze protection. */ current_set_flags_nested(&tp->t_pflags, PF_FSTRANS); - rwsem_acquire_read(&VFS_I(ip)->i_sb->s_writers.lock_map[SB_FREEZE_FS-1], - 0, 1, _THIS_IP_); + __sb_writers_acquired(VFS_I(ip)->i_sb, SB_FREEZE_FS); return xfs_setfilesize(ip, tp, ioend->io_offset, ioend->io_size); } |