Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8603ec81487a5fefbc29611ff0d635b33b6da990
Commit: 8603ec81487a5fefbc29611ff0d635b33b6da990
Parent: a6ea4cceed18edebe1eb6001cb9e0f88cd741a6c
Author: Jeff Dike <[EMAIL PROTECTED]>
AuthorDate: Sun May 6 14:51:44 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon May 7 12:13:03 2007 -0700
uml: aIO deadlock avoidance
Allow deadlocks to be avoided in the AIO code by setting the pipe to the I/O
thread non-blocking.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Cc: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/um/os-Linux/aio.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index 5d258eb..9bf944f 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -221,6 +221,11 @@ static int init_aio_24(void)
aio_req_fd_w = fds[0];
aio_req_fd_r = fds[1];
+
+ err = os_set_fd_block(aio_req_fd_w, 0);
+ if(err)
+ goto out_close_pipe;
+
err = run_helper_thread(not_aio_thread, NULL,
CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0);
if(err < 0)
-
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