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@xxxxxx>
---
drivers/tty/sysrq.c | 2 --
include/linux/fs.h | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 7c95afa905a083..a8e39b2cdd5526 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 3f881a892ea746..7f40dbafbf6d49 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;
--
2.26.2
