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md: set md-specific flags for all queue limits

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The md driver wants to enforce a number of flags for all devices, even
when not inheriting them from the underlying devices.  To make sure these
flags survive the queue_limits_set calls that md uses to update the
queue limits without deriving them form the previous limits add a new
md_init_stacking_limits helper that calls blk_set_stacking_limits and sets
these flags.

Fixes: 1122c0c1cc ("block: move cache control settings out of queue->flags")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240626142637.300624-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2024-06-26 16:26:22 +02:00
committed by Jens Axboe
parent cf546dd289
commit 573d5abf3d
6 changed files with 14 additions and 9 deletions
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drivers/md/md.h
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@@ -893,6 +893,7 @@ extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
extern int mddev_init(struct mddev *mddev);
extern void mddev_destroy(struct mddev *mddev);
void md_init_stacking_limits(struct queue_limits *lim);
struct mddev *md_alloc(dev_t dev, char *name);
void mddev_put(struct mddev *mddev);
extern int md_run(struct mddev *mddev);