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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index ad75a9cc3604..69ea09659d47 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1205,7 +1205,8 @@ static noinline int lock_delalloc_pages(struct inode *inode,
*/
if (pages[i] != locked_page) {
lock_page(pages[i]);
- if (pages[i]->mapping != inode->i_mapping) {
+ if (!PageDirty(pages[i]) ||
+ pages[i]->mapping != inode->i_mapping) {
ret = -EAGAIN;
unlock_page(pages[i]);
page_cache_release(pages[i]);