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-rw-r--r--fs/splice.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/splice.c b/fs/splice.c
index 5428b0f..2282650 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -378,10 +378,11 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
* If in nonblock mode then dont block on waiting
* for an in-flight io page
*/
- if (flags & SPLICE_F_NONBLOCK)
- break;
-
- lock_page(page);
+ if (flags & SPLICE_F_NONBLOCK) {
+ if (TestSetPageLocked(page))
+ break;
+ } else
+ lock_page(page);
/*
* page was truncated, stop here. if this isn't the
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