[PATCH RESEND 11/11] splice: splice_to_socket: always request MSG_DONTWAIT

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Otherwise we risk sleeping with the pipe locked for indeterminate
lengths of time.

Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx>
---
 fs/splice.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/splice.c b/fs/splice.c
index 81788bf7daa1..d5885032f9a8 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -869,13 +869,11 @@ ssize_t splice_to_socket(struct pipe_inode_info *pipe, struct file *out,
 		if (!bc)
 			break;
 
-		msg.msg_flags = MSG_SPLICE_PAGES;
+		msg.msg_flags = MSG_SPLICE_PAGES | MSG_DONTWAIT;
 		if (flags & SPLICE_F_MORE)
 			msg.msg_flags |= MSG_MORE;
 		if (remain && pipe_occupancy(pipe->head, tail) > 0)
 			msg.msg_flags |= MSG_MORE;
-		if (out->f_flags & O_NONBLOCK)
-			msg.msg_flags |= MSG_DONTWAIT;
 
 		iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, bvec, bc,
 			      len - remain);
-- 
2.39.2

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux