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authorLinus Torvalds <torvalds@linux-foundation.org>2019-08-02 14:31:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-08-02 14:31:26 -0700
commit10e5ddd71fb35cfa4eb86a980b6951d4fe9f68a9 (patch)
treeceb7934280008b50099c064dd59cdebd12a6bf71 /include
parentMerge tag 'for-5.3/dm-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm (diff)
parents390/dasd: fix endless loop after read unit address configuration (diff)
downloadlinux-dev-10e5ddd71fb35cfa4eb86a980b6951d4fe9f68a9.tar.xz
linux-dev-10e5ddd71fb35cfa4eb86a980b6951d4fe9f68a9.zip
Merge tag 'for-linus-20190802' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "Here's a small collection of fixes that should go into this series. This contains: - io_uring potential use-after-free fix (Jackie) - loop regression fix (Jan) - O_DIRECT fragmented bio regression fix (Damien) - Mark Denis as the new floppy maintainer (Denis) - ataflop switch fall-through annotation (Gustavo) - libata zpodd overflow fix (Kees) - libata ahci deferred probe fix (Miquel) - nbd invalidation BUG_ON() fix (Munehisa) - dasd endless loop fix (Stefan)" * tag 'for-linus-20190802' of git://git.kernel.dk/linux-block: s390/dasd: fix endless loop after read unit address configuration block: Fix __blkdev_direct_IO() for bio fragments MAINTAINERS: floppy: take over maintainership nbd: replace kill_bdev() with __invalidate_device() again ata: libahci: do not complain in case of deferred probe io_uring: fix KASAN use after free in io_sq_wq_submit_work loop: Fix mount(2) failure due to race with LOOP_SET_FD libata: zpodd: Fix small read overflow in zpodd_get_mech_type() ataflop: Mark expected switch fall-through
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 56b8e358af5c..997a530ff4e9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2598,6 +2598,12 @@ extern struct block_device *blkdev_get_by_path(const char *path, fmode_t mode,
void *holder);
extern struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode,
void *holder);
+extern struct block_device *bd_start_claiming(struct block_device *bdev,
+ void *holder);
+extern void bd_finish_claiming(struct block_device *bdev,
+ struct block_device *whole, void *holder);
+extern void bd_abort_claiming(struct block_device *bdev,
+ struct block_device *whole, void *holder);
extern void blkdev_put(struct block_device *bdev, fmode_t mode);
extern int __blkdev_reread_part(struct block_device *bdev);
extern int blkdev_reread_part(struct block_device *bdev);