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-rw-r--r--fs/sync.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/sync.c b/fs/sync.c
index fbc98ee62..dd5d1711c 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -86,7 +86,12 @@ static void fdatawrite_one_bdev(struct block_device *bdev, void *arg)
static void fdatawait_one_bdev(struct block_device *bdev, void *arg)
{
- filemap_fdatawait(bdev->bd_inode->i_mapping);
+ /*
+ * We keep the error status of individual mapping so that
+ * applications can catch the writeback error using fsync(2).
+ * See filemap_fdatawait_keep_errors() for details.
+ */
+ filemap_fdatawait_keep_errors(bdev->bd_inode->i_mapping);
}
/*
@@ -343,7 +348,8 @@ SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes,
}
if (flags & SYNC_FILE_RANGE_WRITE) {
- ret = filemap_fdatawrite_range(mapping, offset, endbyte);
+ ret = __filemap_fdatawrite_range(mapping, offset, endbyte,
+ WB_SYNC_NONE);
if (ret < 0)
goto out_put;
}