Above we call super_lock_excl() which waits until the superblock is
SB_BORN and since SB_BORN is never unset once set this check can never
fire. Plus, we also hold an active reference at this point already so
this superblock can't even be shutdown.
Link: https://lore.kernel.org/r/20231104-vfs-multi-device-freeze-v2-1-5b5b69626eac@kernel.org
Tested-by: Chandan Babu R <chandanbabu@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
goto retry;
}
- if (!(sb->s_flags & SB_BORN)) {
- super_unlock_excl(sb);
- return 0; /* sic - it's "nothing to do" */
- }
-
if (sb_rdonly(sb)) {
/* Nothing to do really... */
sb->s_writers.freeze_holders |= who;