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, 9 insertions, 9 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 3c68e6aee2f0..10c5ae79696e 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1014,7 +1014,7 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
         if (!prealloc_cf)
                 return -ENOMEM;
 
-        mutex_lock(&inode->i_mutex);
+        inode_lock(inode);
 
         /* We can write back this queue in page reclaim */
         current->backing_dev_info = inode_to_bdi(inode);
@@ -1070,7 +1070,7 @@ retry_snap:
             (iocb->ki_flags & IOCB_DIRECT) || (fi->flags & CEPH_F_SYNC)) {
                 struct ceph_snap_context *snapc;
                 struct iov_iter data;
-                mutex_unlock(&inode->i_mutex);
+                inode_unlock(inode);
 
                 spin_lock(&ci->i_ceph_lock);
                 if (__ceph_have_pending_cap_snap(ci)) {
@@ -1097,7 +1097,7 @@ retry_snap:
                                 "got EOLDSNAPC, retrying\n",
                                 inode, ceph_vinop(inode),
                                 pos, (unsigned)count);
-                        mutex_lock(&inode->i_mutex);
+                        inode_lock(inode);
                         goto retry_snap;
                 }
                 if (written > 0)
@@ -1117,7 +1117,7 @@ retry_snap:
                         iocb->ki_pos = pos + written;
                 if (inode->i_size > old_size)
                         ceph_fscache_update_objectsize(inode);
-                mutex_unlock(&inode->i_mutex);
+                inode_unlock(inode);
         }
 
         if (written >= 0) {
@@ -1147,7 +1147,7 @@ retry_snap:
         goto out_unlocked;
 
 out:
-        mutex_unlock(&inode->i_mutex);
+        inode_unlock(inode);
 out_unlocked:
         ceph_free_cap_flush(prealloc_cf);
         current->backing_dev_info = NULL;
@@ -1162,7 +1162,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence)
         struct inode *inode = file->f_mapping->host;
         int ret;
 
-        mutex_lock(&inode->i_mutex);
+        inode_lock(inode);
 
         if (whence == SEEK_END || whence == SEEK_DATA || whence == SEEK_HOLE) {
                 ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE, false);
@@ -1207,7 +1207,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence)
         offset = vfs_setpos(file, offset, inode->i_sb->s_maxbytes);
 
 out:
-        mutex_unlock(&inode->i_mutex);
+        inode_unlock(inode);
         return offset;
 }
 
@@ -1363,7 +1363,7 @@ static long ceph_fallocate(struct file *file, int mode,
         if (!prealloc_cf)
                 return -ENOMEM;
 
-        mutex_lock(&inode->i_mutex);
+        inode_lock(inode);
 
         if (ceph_snap(inode) != CEPH_NOSNAP) {
                 ret = -EROFS;
@@ -1418,7 +1418,7 @@ static long ceph_fallocate(struct file *file, int mode,
 
         ceph_put_cap_refs(ci, got);
 unlock:
-        mutex_unlock(&inode->i_mutex);
+        inode_unlock(inode);
         ceph_free_cap_flush(prealloc_cf);
         return ret;
 }