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fs: Remove SB_I_DYNBDI flag

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Now that all bdi structures filesystems use are properly refcounted, we
can remove the SB_I_DYNBDI flag.

Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jan Kara 2017-04-12 12:24:47 +02:00 • committed by Jens Axboe
commit c1844d536d
6 changed files with 1 additions and 11 deletions
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5
fs/super.c
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@ -446,10 +446,9 @@ void generic_shutdown_super(struct super_block *sb)
hlist_del_init(&sb->s_instances);
spin_unlock(&sb_lock);
up_write(&sb->s_umount);
if (sb->s_iflags & SB_I_DYNBDI) {
if (sb->s_bdi != &noop_backing_dev_info) {
bdi_put(sb->s_bdi);
sb->s_bdi = &noop_backing_dev_info;
sb->s_iflags &= ~SB_I_DYNBDI;
}
}
@ -1055,7 +1054,6 @@ static int set_bdev_super(struct super_block *s, void *data)
s->s_bdev = data;
s->s_dev = s->s_bdev->bd_dev;
s->s_bdi = bdi_get(s->s_bdev->bd_bdi);
s->s_iflags |= SB_I_DYNBDI;
return 0;
}
@ -1282,7 +1280,6 @@ int super_setup_bdi_name(struct super_block *sb, char *fmt, ...)
}
WARN_ON(sb->s_bdi != &noop_backing_dev_info);
sb->s_bdi = bdi;
sb->s_iflags |= SB_I_DYNBDI;
return 0;
}