cachefiles: stop sending new request when dropping object

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[ Upstream commit b2415d1f45 ]

Added CACHEFILES_ONDEMAND_OBJSTATE_DROPPING indicates that the cachefiles
object is being dropped, and is set after the close request for the dropped
object completes, and no new requests are allowed to be sent after this
state.

This prepares for the later addition of cancel_work_sync(). It prevents
leftover reopen requests from being sent, to avoid processing unnecessary
requests and to avoid cancel_work_sync() blocking by waiting for daemon to
complete the reopen requests.

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Link: https://lore.kernel.org/r/20240628062930.2467993-6-libaokun@huaweicloud.com
Acked-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Stable-dep-of: 12e009d608 ("cachefiles: wait for ondemand_object_worker to finish when dropping object")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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This commit is contained in:

Baokun Li 2024-06-28 14:29:26 +08:00 • committed by Greg Kroah-Hartman

parent 0e19a18f99

commit 16d47ba6ca

2 changed files with 10 additions and 2 deletions

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2

fs/cachefiles/internal.h

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10

fs/cachefiles/ondemand.c

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