[PATCH] f2fs: fix to handle filemap_fdatawrite() error in f2fs_ioc_decompress_file/f2fs_ioc_compress_file

[Yangtao Li]

It seems inappropriate that the current logic does not handle
filemap_fdatawrite() errors, so let's fix it.

Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
---
 fs/f2fs/file.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 15dabeac4690..6de2f27c4eec 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4062,8 +4062,11 @@ static int f2fs_ioc_decompress_file(struct file *filp)
 		if (ret < 0)
 			break;
 
-		if (get_dirty_pages(inode) >= blk_per_seg)
-			filemap_fdatawrite(inode->i_mapping);
+		if (get_dirty_pages(inode) >= blk_per_seg) {
+			ret = filemap_fdatawrite(inode->i_mapping);
+			if (ret < 0)
+				break;
+		}
 
 		count -= len;
 		page_idx += len;
@@ -4133,8 +4136,11 @@ static int f2fs_ioc_compress_file(struct file *filp)
 		if (ret < 0)
 			break;
 
-		if (get_dirty_pages(inode) >= blk_per_seg)
-			filemap_fdatawrite(inode->i_mapping);
+		if (get_dirty_pages(inode) >= blk_per_seg) {
+			ret = filemap_fdatawrite(inode->i_mapping);
+			if (ret < 0)
+				break;
+		}
 
 		count -= len;
 		page_idx += len;
-- 
2.25.1