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Commit 8d082fb7 authored Apr 03, 2012 by Liu Bo Committed by David Sterba Apr 18, 2012

Btrfs: do not mount when we have a sectorsize unequal to PAGE_SIZE



Our code is not ready to cope with a sectorsize that's not equal to PAGE_SIZE.
It will lead to hanging-on while writing something.

Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>

parent 207a232c

fs/btrfs/disk-io.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -2254,9 +2254,9 @@ int open_ctree(struct super_block *sb,
		goto fail_sb_buffer;
		}

		if (sectorsize < PAGE_SIZE) {
		printk(KERN_WARNING "btrfs: Incompatible sector size "
		"found on %s\n", sb->s_id);
		if (sectorsize != PAGE_SIZE) {
		printk(KERN_WARNING "btrfs: Incompatible sector size(%lu) "
		"found on %s\n", (unsigned long)sectorsize, sb->s_id);
		goto fail_sb_buffer;
		}