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| author | Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2009-12-11 00:52:15 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-11 00:52:15 +0100 |
| commit | 0888564393a1277ce2d0564d819e1bcff1120343 (patch) | |
| tree | cac54095a48b4662ee5a3ff17550693300be2692 /drivers/md/dm.c | |
| parent | dm: use clone in map_request function (diff) | |
| download | linux-0888564393a1277ce2d0564d819e1bcff1120343.tar.xz linux-0888564393a1277ce2d0564d819e1bcff1120343.zip | |
dm: pass gfp_mask to alloc_rq_tio
This patch adds the gfp_mask argument to alloc_rq_tio().
No functional change.
This patch is a preparation for a later patch in this series which needs to
allocate tio (for barrier I/O) with different allocation flag (GFP_NOIO) from
the one in the normal I/O code path.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index cf0b455b21ef..a42dfb7a718e 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -432,9 +432,10 @@ static void free_tio(struct mapped_device *md, struct dm_target_io *tio) mempool_free(tio, md->tio_pool); } -static struct dm_rq_target_io *alloc_rq_tio(struct mapped_device *md) +static struct dm_rq_target_io *alloc_rq_tio(struct mapped_device *md, + gfp_t gfp_mask) { - return mempool_alloc(md->tio_pool, GFP_ATOMIC); + return mempool_alloc(md->tio_pool, gfp_mask); } static void free_rq_tio(struct dm_rq_target_io *tio) @@ -1471,7 +1472,7 @@ static int dm_prep_fn(struct request_queue *q, struct request *rq) return BLKPREP_KILL; } - tio = alloc_rq_tio(md); /* Only one for each original request */ + tio = alloc_rq_tio(md, GFP_ATOMIC); if (!tio) /* -ENOMEM */ return BLKPREP_DEFER; |