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fs: remove emergency_thaw_bdev

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Fold emergency_thaw_bdev into it's only caller, to prepare for buffer.c
to be built only when buffer_head support is enabled.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230801172201.1923299-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-08-01 19:21:56 +02:00 committed by Jens Axboe
parent d276bb2910
commit 4a8b719f95
3 changed files with 3 additions and 13 deletions
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6
fs/buffer.c
View File

@ -562,12 +562,6 @@ repeat:
return err;
}
void emergency_thaw_bdev(struct super_block *sb)
{
while (sb->s_bdev && !thaw_bdev(sb->s_bdev))
printk(KERN_WARNING "Emergency Thaw on %pg\n", sb->s_bdev);
}
/**
* sync_mapping_buffers - write out & wait upon a mapping's "associated" buffers
* @mapping: the mapping which wants those buffers written

6
fs/internal.h
View File

@ -23,16 +23,10 @@ struct mnt_idmap;
*/
#ifdef CONFIG_BLOCK
extern void __init bdev_cache_init(void);
void emergency_thaw_bdev(struct super_block *sb);
#else
static inline void bdev_cache_init(void)
{
}
static inline int emergency_thaw_bdev(struct super_block *sb)
{
return 0;
}
#endif /* CONFIG_BLOCK */
/*

4
fs/super.c
View File

@ -1029,7 +1029,9 @@ static void do_thaw_all_callback(struct super_block *sb)
{
down_write(&sb->s_umount);
if (sb->s_root && sb->s_flags & SB_BORN) {
emergency_thaw_bdev(sb);
if (IS_ENABLED(CONFIG_BLOCK))
while (sb->s_bdev && !thaw_bdev(sb->s_bdev))
pr_warn("Emergency Thaw on %pg\n", sb->s_bdev);
thaw_super_locked(sb);
} else {
up_write(&sb->s_umount);