diff options
| author |   Jun'ichi Nomura <j-nomura@ce.jp.nec.com> | 2006-03-27 01:17:51 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-27 08:44:59 -0800 |
| commit | 1ecac7fd74f2e5fb06a7719ecba55fb5778a9a47 (patch) | |
| tree | 04cd89c4fc1a8996704d7b0df2e62fa1dc33388d /drivers | |
| parent | [PATCH] dm snapshot: fix kcopyd destructor (diff) | |
| download | linux-dev-1ecac7fd74f2e5fb06a7719ecba55fb5778a9a47.tar.xz linux-dev-1ecac7fd74f2e5fb06a7719ecba55fb5778a9a47.zip | |
[PATCH] dm flush queue EINTR
If dm_suspend() is cancelled, bios already added to the deferred list need to
be submitted. Otherwise they remain 'in limbo' until there's a dm_resume().
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index a64798ef481e..48be69f3bcfa 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1107,6 +1107,7 @@ int dm_suspend(struct mapped_device *md, int do_lockfs) { struct dm_table *map = NULL; DECLARE_WAITQUEUE(wait, current); + struct bio *def; int r = -EINVAL; down(&md->suspend_lock); @@ -1166,9 +1167,11 @@ int dm_suspend(struct mapped_device *md, int do_lockfs) /* were we interrupted ? */ r = -EINTR; if (atomic_read(&md->pending)) { + clear_bit(DMF_BLOCK_IO, &md->flags); + def = bio_list_get(&md->deferred); + __flush_deferred_io(md, def); up_write(&md->io_lock); unlock_fs(md); - clear_bit(DMF_BLOCK_IO, &md->flags); goto out; } up_write(&md->io_lock); |