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authorAl Viro <viro@zeniv.linux.org.uk>2012-04-13 11:49:04 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-27 10:16:53 -0700
commitb0f97b2f7316b31570474f501cfc82aaa043b541 (patch)
tree6d828e0e1a1da9853eca643115720c42cc3f6621 /fs
parenta0b81f202cdf44cd9dbbab769bfaa42701785cc7 (diff)
btrfs: btrfs_root_readonly() broken on big-endian
commit 6ed3cf2cdfce4c9f1d73171bd3f27d9cb77b734e upstream. ->root_flags is __le64 and all accesses to it go through the helpers that do proper conversions. Except for btrfs_root_readonly(), which checks bit 0 as in host-endian... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ctree.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 80b6486fd5e6..91128d7e9d39 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2115,7 +2115,7 @@ BTRFS_SETGET_STACK_FUNCS(root_last_snapshot, struct btrfs_root_item,
static inline bool btrfs_root_readonly(struct btrfs_root *root)
{
- return root->root_item.flags & BTRFS_ROOT_SUBVOL_RDONLY;
+ return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_RDONLY)) != 0;
}
/* struct btrfs_root_backup */