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path: root/fs/overlayfs/readdir.c
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Diffstat (limited to 'fs/overlayfs/readdir.c')
-rw-r--r--fs/overlayfs/readdir.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 70e9af551600..fdaf28f75e12 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -228,7 +228,7 @@ static int ovl_check_whiteouts(struct dentry *dir, struct ovl_readdir_data *rdd)
dput(dentry);
}
}
- mutex_unlock(&dir->d_inode->i_mutex);
+ inode_unlock(dir->d_inode);
}
revert_creds(old_cred);
put_cred(override_cred);
@@ -399,7 +399,7 @@ static loff_t ovl_dir_llseek(struct file *file, loff_t offset, int origin)
loff_t res;
struct ovl_dir_file *od = file->private_data;
- mutex_lock(&file_inode(file)->i_mutex);
+ inode_lock(file_inode(file));
if (!file->f_pos)
ovl_dir_reset(file);
@@ -429,7 +429,7 @@ static loff_t ovl_dir_llseek(struct file *file, loff_t offset, int origin)
res = offset;
}
out_unlock:
- mutex_unlock(&file_inode(file)->i_mutex);
+ inode_unlock(file_inode(file));
return res;
}
@@ -454,10 +454,10 @@ static int ovl_dir_fsync(struct file *file, loff_t start, loff_t end,
ovl_path_upper(dentry, &upperpath);
realfile = ovl_path_open(&upperpath, O_RDONLY);
smp_mb__before_spinlock();
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
if (!od->upperfile) {
if (IS_ERR(realfile)) {
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return PTR_ERR(realfile);
}
od->upperfile = realfile;
@@ -467,7 +467,7 @@ static int ovl_dir_fsync(struct file *file, loff_t start, loff_t end,
fput(realfile);
realfile = od->upperfile;
}
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
}
}
@@ -479,9 +479,9 @@ static int ovl_dir_release(struct inode *inode, struct file *file)
struct ovl_dir_file *od = file->private_data;
if (od->cache) {
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
ovl_cache_put(od, file->f_path.dentry);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
}
fput(od->realfile);
if (od->upperfile)
@@ -557,7 +557,7 @@ void ovl_cleanup_whiteouts(struct dentry *upper, struct list_head *list)
{
struct ovl_cache_entry *p;
- mutex_lock_nested(&upper->d_inode->i_mutex, I_MUTEX_CHILD);
+ inode_lock_nested(upper->d_inode, I_MUTEX_CHILD);
list_for_each_entry(p, list, l_node) {
struct dentry *dentry;
@@ -571,8 +571,9 @@ void ovl_cleanup_whiteouts(struct dentry *upper, struct list_head *list)
(int) PTR_ERR(dentry));
continue;
}
- ovl_cleanup(upper->d_inode, dentry);
+ if (dentry->d_inode)
+ ovl_cleanup(upper->d_inode, dentry);
dput(dentry);
}
- mutex_unlock(&upper->d_inode->i_mutex);
+ inode_unlock(upper->d_inode);
}