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dm: remove fmode_t argument from .prepare_ioctl hook

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Use the fmode_t that is passed to dm_blk_ioctl() rather than
inconsistently (varies across targets) drop it on the floor by
overriding it with the fmode_t stored in 'struct dm_dev'.

All the persistent reservation functions weren't using the fmode_t they
got back from .prepare_ioctl so remove them.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer
2018-04-03 16:54:10 -04:00
parent 971888c469
commit 5bd5e8d891
9 changed files with 15 additions and 27 deletions
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2
drivers/md/dm-log-writes.c
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@@ -864,7 +864,7 @@ static void log_writes_status(struct dm_target *ti, status_type_t type,
}
static int log_writes_prepare_ioctl(struct dm_target *ti,
struct block_device **bdev, fmode_t *mode)
struct block_device **bdev)
{
struct log_writes_c *lc = ti->private;
struct dm_dev *dev = lc->dev;