diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
| commit | 8065248069097dddf9945acfb2081025e9618c16 (patch) | |
| tree | eddf3fb0372ba0f65c01382d386942ea8d18932d /fs/ext4/page-io.c | |
| parent | e66a8ddff72e85605f2212a0ebc666c7e9116641 (diff) | |
| parent | b4838d12e1f3cb48c2489a0b08733b5dbf848297 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'fs/ext4/page-io.c')
| -rw-r--r-- | fs/ext4/page-io.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 47585189651..dcdeef169a6 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -110,6 +110,8 @@ int ext4_end_io_nolock(ext4_io_end_t *io) if (io->iocb) aio_complete(io->iocb, io->result, 0); + if (io->flag & EXT4_IO_END_DIRECT) + inode_dio_done(inode); /* Wake up anyone waiting on unwritten extent conversion */ if (atomic_dec_and_test(&EXT4_I(inode)->i_aiodio_unwritten)) wake_up_all(ext4_ioend_wq(io->inode)); @@ -127,12 +129,18 @@ static void ext4_end_io_work(struct work_struct *work) unsigned long flags; spin_lock_irqsave(&ei->i_completed_io_lock, flags); + if (io->flag & EXT4_IO_END_IN_FSYNC) + goto requeue; if (list_empty(&io->list)) { spin_unlock_irqrestore(&ei->i_completed_io_lock, flags); goto free; } if (!mutex_trylock(&inode->i_mutex)) { + bool was_queued; +requeue: + was_queued = !!(io->flag & EXT4_IO_END_QUEUED); + io->flag |= EXT4_IO_END_QUEUED; spin_unlock_irqrestore(&ei->i_completed_io_lock, flags); /* * Requeue the work instead of waiting so that the work @@ -145,9 +153,8 @@ static void ext4_end_io_work(struct work_struct *work) * yield the cpu if it sees an end_io request that has already * been requeued. */ - if (io->flag & EXT4_IO_END_QUEUED) + if (was_queued) yield(); - io->flag |= EXT4_IO_END_QUEUED; return; } list_del_init(&io->list); |