btrfs: fix typos in comments

Correct a typo in the chunk_mutex name to make it grepable.

Since it is better to fix several typos at once, fixing the 2 more in the
same file.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index dab51118b972b6218451ff0528befbe674812895..957976d9d627bddf67b729d67e1e0c075578ad12 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1484,10 +1484,10 @@ static int setup_security_options(struct btrfs_fs_info *fs_info,
                memcpy(&fs_info->security_opts, sec_opts, sizeof(*sec_opts));
        } else {
                /*
-                * Since SELinux(the only one supports security_mnt_opts) does
-                * NOT support changing context during remount/mount same sb,
-                * This must be the same or part of the same security options,
-                * just free it.
+                * Since SELinux (the only one supporting security_mnt_opts)
+                * does NOT support changing context during remount/mount of
+                * the same sb, this must be the same or part of the same
+                * security options, just free it.
                 */
                security_free_mnt_opts(sec_opts);
        }
@@ -1665,8 +1665,8 @@ static inline void btrfs_remount_cleanup(struct btrfs_fs_info *fs_info,
                                         unsigned long old_opts)
 {
        /*
-        * We need cleanup all defragable inodes if the autodefragment is
-        * close or the fs is R/O.
+        * We need to cleanup all defragable inodes if the autodefragment is
+        * close or the filesystem is read only.
         */
        if (btrfs_raw_test_opt(old_opts, AUTO_DEFRAG) &&
            (!btrfs_raw_test_opt(fs_info->mount_opt, AUTO_DEFRAG) ||
@@ -2049,7 +2049,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
        u64 thresh = 0;
 
        /*
-        * holding chunk_muext to avoid allocating new chunks, holding
+        * holding chunk_mutex to avoid allocating new chunks, holding
         * device_list_mutex to avoid the device being removed
         */
        rcu_read_lock();