diff options
| author | David Chinner | 2008-08-13 08:36:11 +0200 |
|---|---|---|
| committer | Lachlan McIlroy | 2008-08-13 08:36:11 +0200 |
| commit | b4dd330b9e0c9c78ebff754e72563b148f05e9e0 (patch) | |
| tree | babb6e975be2b9dbed0df09df1ee156dbb4c1428 /fs/xfs/linux-2.6/xfs_buf.c | |
| parent | [XFS] clean up stale references to semaphores (diff) | |
| download | kernel-qcow2-linux-b4dd330b9e0c9c78ebff754e72563b148f05e9e0.tar.gz kernel-qcow2-linux-b4dd330b9e0c9c78ebff754e72563b148f05e9e0.tar.xz kernel-qcow2-linux-b4dd330b9e0c9c78ebff754e72563b148f05e9e0.zip | |
[XFS] replace the XFS buf iodone semaphore with a completion
The xfs_buf_t b_iodonesema is really just a semaphore that wants to be a
completion. Change it to a completion and remove the last user of the
sema_t from XFS.
SGI-PV: 981498
SGI-Modid: xfs-linux-melb:xfs-kern:31815a
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_buf.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index a01daa7b5922..a0072d9315a9 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -253,7 +253,7 @@ _xfs_buf_initialize( memset(bp, 0, sizeof(xfs_buf_t)); atomic_set(&bp->b_hold, 1); - init_MUTEX_LOCKED(&bp->b_iodonesema); + init_completion(&bp->b_iowait); INIT_LIST_HEAD(&bp->b_list); INIT_LIST_HEAD(&bp->b_hash_list); init_MUTEX_LOCKED(&bp->b_sema); /* held, no waiters */ @@ -1033,7 +1033,7 @@ xfs_buf_ioend( xfs_buf_iodone_work(&bp->b_iodone_work); } } else { - up(&bp->b_iodonesema); + complete(&bp->b_iowait); } } @@ -1271,7 +1271,7 @@ xfs_buf_iowait( XB_TRACE(bp, "iowait", 0); if (atomic_read(&bp->b_io_remaining)) blk_run_address_space(bp->b_target->bt_mapping); - down(&bp->b_iodonesema); + wait_for_completion(&bp->b_iowait); XB_TRACE(bp, "iowaited", (long)bp->b_error); return bp->b_error; } |