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| author | Ingo Molnar <mingo@kernel.org> | 2012-08-28 20:05:55 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-08-28 20:05:55 +0400 |
| commit | 508dc4f8eece1a70c493afc6511fdf5934fef567 (patch) | |
| tree | b852a6a5bf9977a33a87158985de02d188ba71d7 /mm/filemap.c | |
| parent | 734e9a26d612f64e1c9cfd92256969b773954ae2 (diff) | |
| parent | e3e45c01ae690e65f2650e5288b9af802e95a136 (diff) | |
| download | linux-508dc4f8eece1a70c493afc6511fdf5934fef567.tar.xz | |
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index fa5ca304148e..384344575c37 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1412,12 +1412,8 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, retval = filemap_write_and_wait_range(mapping, pos, pos + iov_length(iov, nr_segs) - 1); if (!retval) { - struct blk_plug plug; - - blk_start_plug(&plug); retval = mapping->a_ops->direct_IO(READ, iocb, iov, pos, nr_segs); - blk_finish_plug(&plug); } if (retval > 0) { *ppos = pos + retval; @@ -2527,14 +2523,12 @@ ssize_t generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; - struct blk_plug plug; ssize_t ret; BUG_ON(iocb->ki_pos != pos); sb_start_write(inode->i_sb); mutex_lock(&inode->i_mutex); - blk_start_plug(&plug); ret = __generic_file_aio_write(iocb, iov, nr_segs, &iocb->ki_pos); mutex_unlock(&inode->i_mutex); @@ -2545,7 +2539,6 @@ ssize_t generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov, if (err < 0 && ret > 0) ret = err; } - blk_finish_plug(&plug); sb_end_write(inode->i_sb); return ret; } |