diff options
| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2013-03-19 18:16:45 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-03-22 18:13:59 -0600 |
| commit | 68e41a43f18b681f83329c8ad83123571bb8db0d (patch) | |
| tree | 0e421f7124c5884d171f40492c3cadf0e9984726 /drivers/block/drbd/drbd_nl.c | |
| parent | 3a4d4eb3cb03fbc66696fc8cd472701d56f3aee7 (diff) | |
drbd: use the cached meta_dev_idx
Now we have the cached meta_dev_idx member,
we can get rid of a few rcu_read_lock() sections and rcu_dereference().
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 104b7cea691e..5621df86967a 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -722,14 +722,10 @@ static void drbd_md_set_sector_offsets(struct drbd_conf *mdev, { sector_t md_size_sect = 0; unsigned int al_size_sect = MD_32kB_SECT; - int meta_dev_idx; - - rcu_read_lock(); - meta_dev_idx = rcu_dereference(bdev->disk_conf)->meta_dev_idx; bdev->md.md_offset = drbd_md_ss(bdev); - switch (meta_dev_idx) { + switch (bdev->md.meta_dev_idx) { default: /* v07 style fixed size indexed meta data */ bdev->md.md_size_sect = MD_128MB_SECT; @@ -761,7 +757,6 @@ static void drbd_md_set_sector_offsets(struct drbd_conf *mdev, bdev->md.bm_offset = -md_size_sect + MD_4kB_SECT; break; } - rcu_read_unlock(); } /* input size is expected to be in KB */ |