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-rw-r--r--fs/xfs/linux-2.6/xfs_super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 62d485888496..c3d004bc4621 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -270,7 +270,7 @@ xfs_parseargs(
return EINVAL;
}
iosize = simple_strtoul(value, &eov, 10);
- iosizelog = (uint8_t) iosize;
+ iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,