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| author | Mike Anderson <andmike@us.ibm.com> | 2006-03-27 01:17:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-27 08:44:59 -0800 |
| commit | 1134e5ae79bab61c05657ca35a6297cf87202e35 (patch) | |
| tree | 16d5e9c722fbe17dc343c65b85628c8e6ee36199 /drivers/md/dm.c | |
| parent | 9ade92a9a5b0a3a10efa6551b8c67a9277bf0438 (diff) | |
| download | op-kernel-dev-1134e5ae79bab61c05657ca35a6297cf87202e35.zip op-kernel-dev-1134e5ae79bab61c05657ca35a6297cf87202e35.tar.gz | |
[PATCH] dm table: store md
Store an up-pointer to the owning struct mapped_device in every table when it
is created.
Access it with:
struct mapped_device *dm_table_get_md(struct dm_table *t)
Tables linked to md must be destroyed before the md itself.
Signed-off-by: Mike Anderson <andmike@us.ibm.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/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 3d121cb..b99df48 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1007,18 +1007,18 @@ void dm_get(struct mapped_device *md) void dm_put(struct mapped_device *md) { - struct dm_table *map = dm_get_table(md); + struct dm_table *map; if (atomic_dec_and_test(&md->holders)) { + map = dm_get_table(md); if (!dm_suspended(md)) { dm_table_presuspend_targets(map); dm_table_postsuspend_targets(map); } __unbind(md); + dm_table_put(map); free_dev(md); } - - dm_table_put(map); } /* |
