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| author | Josh Durgin <josh.durgin@inktank.com> | 2013-09-30 20:10:04 -0700 |
|---|---|---|
| committer | Josh Durgin <josh.durgin@inktank.com> | 2014-06-10 18:09:25 -0700 |
| commit | 22001f619f29ddf66582d834223dcff4c0b74595 (patch) | |
| tree | 67d9a9cdcb5c7f3fe45e1fab6393c130eb65857c /drivers/block/rbd.c | |
| parent | 77f33c03739697d01c2e730e4c2610424059ceaf (diff) | |
| download | linux-22001f619f29ddf66582d834223dcff4c0b74595.tar.gz | |
rbd: only set disk to read-only once
rbd_open(), called every time the device is opened, calls set_device_ro(). There's no reason to set the device read-only or read-write every time it is opened. Just do this once during device setup, using set_disk_ro() instead because the struct block_device isn't available to us there. Signed-off-by: Josh Durgin <josh.durgin@inktank.com> Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'drivers/block/rbd.c')
| -rw-r--r-- | drivers/block/rbd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 6423f6e3b07c..bbeb404b3a07 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -541,7 +541,6 @@ static int rbd_open(struct block_device *bdev, fmode_t mode) return -ENOENT; (void) get_device(&rbd_dev->dev); - set_device_ro(bdev, rbd_dev->mapping.read_only); return 0; } @@ -5060,6 +5059,7 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) if (ret) goto err_out_disk; set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE); + set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only); ret = rbd_bus_add_dev(rbd_dev); if (ret) |