cachefiles: narrow the scope of triggering EPOLLIN events in ondemand mode
authorJia Zhu <zhujia.zj@bytedance.com>
Mon, 20 Nov 2023 04:14:21 +0000 (12:14 +0800)
committerChristian Brauner <brauner@kernel.org>
Sat, 25 Nov 2023 15:03:57 +0000 (16:03 +0100)
commitb817e22b2e91257ace32a6768c3c003faeaa1c5c
treef75d2a726a3c45b95b8ceb02a74328cfabee525b
parent0a7e54c1959c0feb2de23397ec09c7692364313e
cachefiles: narrow the scope of triggering EPOLLIN events in ondemand mode

Don't trigger EPOLLIN when there are only reopening read requests in
xarray.

Suggested-by: Xin Yin <yinxin.x@bytedance.com>
Signed-off-by: Jia Zhu <zhujia.zj@bytedance.com>
Link: https://lore.kernel.org/r/20231120041422.75170-5-zhujia.zj@bytedance.com
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
fs/cachefiles/daemon.c
fs/cachefiles/internal.h