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authorLiu Bo <liubo2009@cn.fujitsu.com>2012-04-03 09:56:53 +0800
committerDavid Sterba <dsterba@suse.cz>2012-04-18 19:22:13 +0200
commit8d082fb727ac11930ea20bf1612e334ea7c2b697 (patch)
tree417f84a4e3743bf0af435e0e339ef3fc54520a68
parent207a232ccac0a8cb79d304bd17298dbc96e2e082 (diff)
downloadlinux-linaro-stable-8d082fb727ac11930ea20bf1612e334ea7c2b697.tar.gz
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>
-rw-r--r--fs/btrfs/disk-io.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 20196f411206..b9866f27ebd7 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -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;
}