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

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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>
This commit is contained in:
Liu Bo 2012-04-03 09:56:53 +08:00 committed by David Sterba
parent 207a232cca
commit 8d082fb727
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/disk-io.c
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@ -2254,9 +2254,9 @@ int open_ctree(struct super_block *sb,
goto fail_sb_buffer; goto fail_sb_buffer;
} }
if (sectorsize < PAGE_SIZE) { if (sectorsize != PAGE_SIZE) {
printk(KERN_WARNING "btrfs: Incompatible sector size " printk(KERN_WARNING "btrfs: Incompatible sector size(%lu) "
"found on %s\n", sb->s_id); "found on %s\n", (unsigned long)sectorsize, sb->s_id);
goto fail_sb_buffer; goto fail_sb_buffer;
} }