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authorChristoph Hellwig <hch@lst.de>2020-06-07 17:31:19 +0200
committerChristoph Hellwig <hch@lst.de>2020-07-16 17:59:24 +0200
commit7e0adbfc20c50b021e425662834a492f958efee7 (patch)
treec6a176e2026960733c16fe189f9cb7d9653c0671 /drivers/md/md.h
parentd1100488c3ce11b853785cf15ee4c19bfab4c842 (diff)
md: rewrite md_setup_drive to avoid ioctls
md_setup_drive knows it works with md devices, so it is rather pointless to open a file descriptor and issue ioctls. Just call directly into the relevant low-level md routines after getting a handle to the device using blkdev_get_by_dev instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: NeilBrown <neilb@suse.de> Acked-by: Song Liu <song@kernel.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md/md.h')
-rw-r--r--drivers/md/md.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 6f8fff77ce10..ada3106cb1dd 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -801,7 +801,15 @@ static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio
mddev->queue->limits.max_write_zeroes_sectors = 0;
}
+struct mdu_array_info_s;
+struct mdu_disk_info_s;
+
extern int mdp_major;
void md_autostart_arrays(int part);
+int md_set_array_info(struct mddev *mddev, struct mdu_array_info_s *info);
+int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info);
+int do_md_run(struct mddev *mddev);
+
+extern const struct block_device_operations md_fops;
#endif /* _MD_MD_H */