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authorMike Snitzer <snitzer@redhat.com>2018-04-03 22:54:10 +0200
committerMike Snitzer <snitzer@redhat.com>2018-04-04 18:12:39 +0200
commit5bd5e8d891c1fd2d966a7e2c26f0452d22410683 (patch)
treea26fa9657db6b9f2faa6805693db282f7bfa052c /drivers/md/dm-mpath.c
parentdm: hold DM table for duration of ioctl rather than use blkdev_get (diff)
downloadlinux-5bd5e8d891c1fd2d966a7e2c26f0452d22410683.tar.xz
linux-5bd5e8d891c1fd2d966a7e2c26f0452d22410683.zip
dm: remove fmode_t argument from .prepare_ioctl hook
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>
Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 746dd8a75b4a..203a0419d2b0 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1876,7 +1876,7 @@ out:
}
static int multipath_prepare_ioctl(struct dm_target *ti,
- struct block_device **bdev, fmode_t *mode)
+ struct block_device **bdev)
{
struct multipath *m = ti->private;
struct pgpath *current_pgpath;
@@ -1889,7 +1889,6 @@ static int multipath_prepare_ioctl(struct dm_target *ti,
if (current_pgpath) {
if (!test_bit(MPATHF_QUEUE_IO, &m->flags)) {
*bdev = current_pgpath->path.dev->bdev;
- *mode = current_pgpath->path.dev->mode;
r = 0;
} else {
/* pg_init has not started or completed */