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-rw-r--r--fs/iomap.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/iomap.c b/fs/iomap.c
index 4ec0d6a..4add7d4 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -888,16 +888,14 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
flags |= IOMAP_WRITE;
}
- if (mapping->nrpages) {
- ret = filemap_write_and_wait_range(mapping, start, end);
- if (ret)
- goto out_free_dio;
+ ret = filemap_write_and_wait_range(mapping, start, end);
+ if (ret)
+ goto out_free_dio;
- ret = invalidate_inode_pages2_range(mapping,
- start >> PAGE_SHIFT, end >> PAGE_SHIFT);
- WARN_ON_ONCE(ret);
- ret = 0;
- }
+ ret = invalidate_inode_pages2_range(mapping,
+ start >> PAGE_SHIFT, end >> PAGE_SHIFT);
+ WARN_ON_ONCE(ret);
+ ret = 0;
inode_dio_begin(inode);
@@ -952,7 +950,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
* one is a pretty crazy thing to do, so we don't support it 100%. If
* this invalidation fails, tough, the write still worked...
*/
- if (iov_iter_rw(iter) == WRITE && mapping->nrpages) {
+ if (iov_iter_rw(iter) == WRITE) {
int err = invalidate_inode_pages2_range(mapping,
start >> PAGE_SHIFT, end >> PAGE_SHIFT);
WARN_ON_ONCE(err);
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