diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-06-01 12:44:59 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-06-05 19:53:04 +0300 |
| commit | dd2e31afba9e3a3107aa202726b6199c55075f59 (patch) | |
| tree | b9139847b07f05a899b5fa3e5efafd58c89c94fb /fs/ext4 | |
| parent | f5db130d4443ddf63b49e195782038ebaab0bec9 (diff) | |
| download | linux-dd2e31afba9e3a3107aa202726b6199c55075f59.tar.xz | |
ext4: wire up the ->mark_dead holder operation for log devices
Implement a set of holder_ops that shut down the file system when the
block device used as log device is removed undeneath the file system.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Link: https://lore.kernel.org/r/20230601094459.1350643-17-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/super.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index a177a16c4d2f..9070ea9154d7 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1096,6 +1096,15 @@ void ext4_update_dynamic_rev(struct super_block *sb) */ } +static void ext4_bdev_mark_dead(struct block_device *bdev) +{ + ext4_force_shutdown(bdev->bd_holder, EXT4_GOING_FLAGS_NOLOGFLUSH); +} + +static const struct blk_holder_ops ext4_holder_ops = { + .mark_dead = ext4_bdev_mark_dead, +}; + /* * Open the external journal device */ @@ -1104,7 +1113,7 @@ static struct block_device *ext4_blkdev_get(dev_t dev, struct super_block *sb) struct block_device *bdev; bdev = blkdev_get_by_dev(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL, sb, - NULL); + &ext4_holder_ops); if (IS_ERR(bdev)) goto fail; return bdev; |