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super: don't bother with WARN_ON_ONCE()

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We hold our own active reference and we've checked it above.

Link: https://lore.kernel.org/r/20231127-vfs-super-massage-wait-v1-2-9ab277bfd01a@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2023-11-27 12:51:31 +01:00
parent b30850c58b
commit 63513f8574
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 1 additions and 4 deletions
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5
fs/super.c
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@ -2067,10 +2067,7 @@ int freeze_super(struct super_block *sb, enum freeze_holder who)
/* Release s_umount to preserve sb_start_write -> s_umount ordering */
super_unlock_excl(sb);
sb_wait_write(sb, SB_FREEZE_WRITE);
if (!super_lock_excl(sb)) {
WARN_ON_ONCE("Dying superblock while freezing!");
return -EINVAL;
}
__super_lock_excl(sb);
/* Now we go and block page faults... */
sb->s_writers.frozen = SB_FREEZE_PAGEFAULT;