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| author | Kiyoshi Ueda <k-ueda@ct.jp.nec.com> | 2009-12-10 23:52:27 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-12-10 23:52:27 +0000 |
| commit | 64dbce580d5a7e89e8de20b91f80c7267cdad91d (patch) | |
| tree | 9d8a8bb8afd9d7b856d90abd7c5c35137547d09a /drivers/md/dm.c | |
| parent | 4f186f8bbfa92bf1a2b39f7a8674348bfdba9437 (diff) | |
| download | linux-64dbce580d5a7e89e8de20b91f80c7267cdad91d.tar.gz linux-64dbce580d5a7e89e8de20b91f80c7267cdad91d.tar.bz2 linux-64dbce580d5a7e89e8de20b91f80c7267cdad91d.zip | |
dm: export suspended state to targets
This patch adds the exported dm_suspended() function so that targets
can check whether or not they are suspended.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index e0702bf37935..3167480b532c 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2684,6 +2684,17 @@ int dm_suspended_md(struct mapped_device *md) return test_bit(DMF_SUSPENDED, &md->flags); } +int dm_suspended(struct dm_target *ti) +{ + struct mapped_device *md = dm_table_get_md(ti->table); + int r = dm_suspended_md(md); + + dm_put(md); + + return r; +} +EXPORT_SYMBOL_GPL(dm_suspended); + int dm_noflush_suspending(struct dm_target *ti) { struct mapped_device *md = dm_table_get_md(ti->table); |