aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2019-03-11 19:00:36 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2019-03-17 20:52:25 -0400
commit833f4154ed560232120bc475935ee1d6a20e159f (patch)
tree41b4633d794e7591576239e8d9b4749d102a9441 /fs
parentb53119f13a04879c3bf502828d99d13726639ead (diff)
downloadlinux-stericsson-833f4154ed560232120bc475935ee1d6a20e159f.tar.gz
aio: fold lookup_kiocb() into its sole caller
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/aio.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 07083fc0a24b..dada3bd316d5 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -2002,24 +2002,6 @@ COMPAT_SYSCALL_DEFINE3(io_submit, compat_aio_context_t, ctx_id,
}
#endif
-/* lookup_kiocb
- * Finds a given iocb for cancellation.
- */
-static struct aio_kiocb *
-lookup_kiocb(struct kioctx *ctx, struct iocb __user *iocb)
-{
- struct aio_kiocb *kiocb;
-
- assert_spin_locked(&ctx->ctx_lock);
-
- /* TODO: use a hash or array, this sucks. */
- list_for_each_entry(kiocb, &ctx->active_reqs, ki_list) {
- if (kiocb->ki_user_iocb == iocb)
- return kiocb;
- }
- return NULL;
-}
-
/* sys_io_cancel:
* Attempts to cancel an iocb previously passed to io_submit. If
* the operation is successfully cancelled, the resulting event is
@@ -2048,10 +2030,13 @@ SYSCALL_DEFINE3(io_cancel, aio_context_t, ctx_id, struct iocb __user *, iocb,
return -EINVAL;
spin_lock_irq(&ctx->ctx_lock);
- kiocb = lookup_kiocb(ctx, iocb);
- if (kiocb) {
- ret = kiocb->ki_cancel(&kiocb->rw);
- list_del_init(&kiocb->ki_list);
+ /* TODO: use a hash or array, this sucks. */
+ list_for_each_entry(kiocb, &ctx->active_reqs, ki_list) {
+ if (kiocb->ki_user_iocb == iocb) {
+ ret = kiocb->ki_cancel(&kiocb->rw);
+ list_del_init(&kiocb->ki_list);
+ break;
+ }
}
spin_unlock_irq(&ctx->ctx_lock);