diff mbox series

[2/4] fs: add bio alloc cache kiocb flag

Message ID 20210809212401.19807-3-axboe@kernel.dk (mailing list archive)
State New, archived
Headers show
Series Enable bio recycling for polled IO | expand

Commit Message

Jens Axboe Aug. 9, 2021, 9:23 p.m. UTC 
We'll be using this to implement a recycling cache for the bio units
used to do IO.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 include/linux/fs.h | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 640574294216..2ac1b01a4902 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -319,6 +319,8 @@  enum rw_hint {
 /* iocb->ki_waitq is valid */
 #define IOCB_WAITQ		(1 << 19)
 #define IOCB_NOIO		(1 << 20)
+/* bio cache can be used */
+#define IOCB_ALLOC_CACHE	(1 << 21)
 
 struct kiocb {
 	struct file		*ki_filp;