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NFS: switch back to using kill_anon_super

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NFS switch to open coding kill_anon_super in 7b14a21389
("nfs: don't call bdi_unregister") to avoid the extra bdi_unregister
call.  At that point bdi_destroy was called in nfs_free_server and
thus it required a later freeing of the anon dev_t.  But since
0db10944a7 ("nfs: Convert to separately allocated bdi") the bdi has
been free implicitly by the sb destruction, so this isn't needed
anymore.

By not open coding kill_anon_super, nfs now inherits the fix in
dc3216b141 ("super: ensure valid info"), and we remove the only
open coded version of kill_anon_super.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230831052940.256193-1-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig 2023-08-31 07:29:40 +02:00 committed by Christian Brauner
parent ec952aa253
commit 5069ba84b5
1 changed files with 1 additions and 3 deletions
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4
fs/nfs/super.c
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@ -1339,15 +1339,13 @@ error_splat_super:
void nfs_kill_super(struct super_block *s)
{
struct nfs_server *server = NFS_SB(s);
dev_t dev = s->s_dev;
nfs_sysfs_move_sb_to_server(server);
generic_shutdown_super(s);
kill_anon_super(s);
nfs_fscache_release_super_cookie(s);
nfs_free_server(server);
free_anon_bdev(dev);
}
EXPORT_SYMBOL_GPL(nfs_kill_super);