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Christoph Hellwig <hch@infradead.org> wrote: > > + * This takes the block device bd_mount_sem to make sure no new mounts > + * happen on bdev until unlockfs is called. If a super is found on this > + * block device, we hould a read lock on the s->s_umount sem to make sure > + * nobody unmounts until the snapshot creation is done > + */ > +struct super_block *freeze_bdev(struct block_device *bdev) I think you do need s_umount, as the comments say. But this patch doesn't touch it. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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