f2fs: handle f2fs_truncate error correctly

This patch fixes to return error number of f2fs_truncate, so that we
can handle the error correctly in callers.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

2 files changed, 18 insertions, 10 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ece5e704dfd0..806439f1c886 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1595,7 +1595,7 @@ static inline bool f2fs_may_extent_tree(struct inode *inode)
 int f2fs_sync_file(struct file *, loff_t, loff_t, int);
 void truncate_data_blocks(struct dnode_of_data *);
 int truncate_blocks(struct inode *, u64, bool);
-void f2fs_truncate(struct inode *, bool);
+int f2fs_truncate(struct inode *, bool);
 int f2fs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 int f2fs_setattr(struct dentry *, struct iattr *);
 int truncate_hole(struct inode *, pgoff_t, pgoff_t);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7faafb5043e0..86a5c76eb106 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -579,24 +579,30 @@ out:
         return err;
 }
 
-void f2fs_truncate(struct inode *inode, bool lock)
+int f2fs_truncate(struct inode *inode, bool lock)
 {
+        int err;
+
         if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
                                 S_ISLNK(inode->i_mode)))
-                return;
+                return 0;
 
         trace_f2fs_truncate(inode);
 
         /* we should check inline_data size */
         if (f2fs_has_inline_data(inode) && !f2fs_may_inline_data(inode)) {
-                if (f2fs_convert_inline_inode(inode))
-                        return;
+                err = f2fs_convert_inline_inode(inode);
+                if (err)
+                        return err;
         }
 
-        if (!truncate_blocks(inode, i_size_read(inode), lock)) {
-                inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-                mark_inode_dirty(inode);
-        }
+        err = truncate_blocks(inode, i_size_read(inode), lock);
+        if (err)
+                return err;
+
+        inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+        mark_inode_dirty(inode);
+        return 0;
 }
 
 int f2fs_getattr(struct vfsmount *mnt,
@@ -656,7 +662,9 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
 
                 if (attr->ia_size <= i_size_read(inode)) {
                         truncate_setsize(inode, attr->ia_size);
-                        f2fs_truncate(inode, true);
+                        err = f2fs_truncate(inode, true);
+                        if (err)
+                                return err;
                         f2fs_balance_fs(F2FS_I_SB(inode));
                 } else {
                         /*