[PATCH v4 11/11] exfat: make exfat_truncate() return error code

[Namjae Jeon <linkinjeon@kernel.org>]

Convert exfat_truncate() to return int, and make it return the error
code on failure. Update exfat_setattr() to handle the returned error
appropriately.

Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
 fs/exfat/file.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index d9c4e8dd9fd8..1271202b35ed 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -292,7 +292,7 @@ int __exfat_truncate(struct inode *inode)
 	return 0;
 }
 
-static void exfat_truncate(struct inode *inode)
+static int exfat_truncate(struct inode *inode)
 {
 	struct super_block *sb = inode->i_sb;
 	struct exfat_sb_info *sbi = EXFAT_SB(sb);
@@ -315,6 +315,8 @@ static void exfat_truncate(struct inode *inode)
 	inode->i_blocks = round_up(i_size_read(inode), sbi->cluster_size) >> 9;
 write_size:
 	mutex_unlock(&sbi->s_lock);
+
+	return err;
 }
 
 int exfat_getattr(struct mnt_idmap *idmap, const struct path *path,
@@ -400,7 +402,7 @@ int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 		 * __exfat_write_inode() is called from exfat_truncate(), inode
 		 * is already written by it, so mark_inode_dirty() is unneeded.
 		 */
-		exfat_truncate(inode);
+		error = exfat_truncate(inode);
 		up_write(&EXFAT_I(inode)->truncate_lock);
 	} else
 		mark_inode_dirty(inode);
-- 
2.25.1