wrappers for ->i_mutex access

parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 6 insertions, 6 deletions

diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 2f77f8dfb861..1b38abdaa3ed 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -1284,10 +1284,10 @@ static int check_windows_hibernation_status(ntfs_volume *vol)
          * Find the inode number for the hibernation file by looking up the
          * filename hiberfil.sys in the root directory.
          */
-        mutex_lock(&vol->root_ino->i_mutex);
+        inode_lock(vol->root_ino);
         mref = ntfs_lookup_inode_by_name(NTFS_I(vol->root_ino), hiberfil, 12,
                         &name);
-        mutex_unlock(&vol->root_ino->i_mutex);
+        inode_unlock(vol->root_ino);
         if (IS_ERR_MREF(mref)) {
                 ret = MREF_ERR(mref);
                 /* If the file does not exist, Windows is not hibernated. */
@@ -1377,10 +1377,10 @@ static bool load_and_init_quota(ntfs_volume *vol)
          * Find the inode number for the quota file by looking up the filename
          * $Quota in the extended system files directory $Extend.
          */
-        mutex_lock(&vol->extend_ino->i_mutex);
+        inode_lock(vol->extend_ino);
         mref = ntfs_lookup_inode_by_name(NTFS_I(vol->extend_ino), Quota, 6,
                         &name);
-        mutex_unlock(&vol->extend_ino->i_mutex);
+        inode_unlock(vol->extend_ino);
         if (IS_ERR_MREF(mref)) {
                 /*
                  * If the file does not exist, quotas are disabled and have
@@ -1460,10 +1460,10 @@ static bool load_and_init_usnjrnl(ntfs_volume *vol)
          * Find the inode number for the transaction log file by looking up the
          * filename $UsnJrnl in the extended system files directory $Extend.
          */
-        mutex_lock(&vol->extend_ino->i_mutex);
+        inode_lock(vol->extend_ino);
         mref = ntfs_lookup_inode_by_name(NTFS_I(vol->extend_ino), UsnJrnl, 8,
                         &name);
-        mutex_unlock(&vol->extend_ino->i_mutex);
+        inode_unlock(vol->extend_ino);
         if (IS_ERR_MREF(mref)) {
                 /*
                  * If the file does not exist, transaction logging is disabled,