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| author | Christoph Hellwig <hch@lst.de> | 2020-06-20 09:16:35 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-06-24 09:16:02 -0600 |
| commit | b818f09e46f9f6a66471f81bf83094ff0a477d0c (patch) | |
| tree | 42131aebadb03c68a25dafed2b1eefaa2009a2be | |
| parent | 7a804c34c2db9e550c6f504f06a6a5cac7a44758 (diff) | |
| download | linux-b818f09e46f9f6a66471f81bf83094ff0a477d0c.tar.bz2 | |
tty/sysrq: emergency_thaw_all does not depend on CONFIG_BLOCK
We can also thaw non-block file systems. Remove the CONFIG_BLOCK in
sysrq.c after making the prototype available unconditionally.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/tty/sysrq.c | 2 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 |
2 files changed, 1 insertions, 3 deletions
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 7c95afa905a0..a8e39b2cdd55 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -403,7 +403,6 @@ static const struct sysrq_key_op sysrq_moom_op = { .enable_mask = SYSRQ_ENABLE_SIGNAL, }; -#ifdef CONFIG_BLOCK static void sysrq_handle_thaw(int key) { emergency_thaw_all(); @@ -414,7 +413,6 @@ static const struct sysrq_key_op sysrq_thaw_op = { .action_msg = "Emergency Thaw of all frozen filesystems", .enable_mask = SYSRQ_ENABLE_SIGNAL, }; -#endif static void sysrq_handle_kill(int key) { diff --git a/include/linux/fs.h b/include/linux/fs.h index 3f881a892ea7..7f40dbafbf6d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2593,7 +2593,6 @@ extern void invalidate_bdev(struct block_device *); extern void iterate_bdevs(void (*)(struct block_device *, void *), void *); extern int sync_blockdev(struct block_device *bdev); extern struct super_block *freeze_bdev(struct block_device *); -extern void emergency_thaw_all(void); extern void emergency_thaw_bdev(struct super_block *sb); extern int thaw_bdev(struct block_device *bdev, struct super_block *sb); extern int fsync_bdev(struct block_device *); @@ -2633,6 +2632,7 @@ static inline bool sb_is_blkdev_sb(struct super_block *sb) return false; } #endif +void emergency_thaw_all(void); extern int sync_filesystem(struct super_block *); extern const struct file_operations def_blk_fops; extern const struct file_operations def_chr_fops; |