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H A Dondemand.cdiff 955190e1851afb386309e6affcf1a127a9ea0204 Sun Nov 19 22:14:18 CST 2023 Jia Zhu <zhujia.zj@bytedance.com> cachefiles: introduce object ondemand state

[ Upstream commit 357a18d033143617e9c7d420c8f0dd4cbab5f34d ]

Previously, @ondemand_id field was used not only to identify ondemand
state of the object, but also to represent the index of the xarray.
This commit introduces @state field to decouple the role of @ondemand_id
and adds helpers to access it.

Signed-off-by: Jia Zhu <zhujia.zj@bytedance.com>
Link: https://lore.kernel.org/r/20231120041422.75170-2-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>
Stable-dep-of: 0a790040838c ("cachefiles: add spin_lock for cachefiles_ondemand_info")
Signed-off-by: Sasha Levin <sashal@kernel.org>
H A Dinternal.hdiff 955190e1851afb386309e6affcf1a127a9ea0204 Sun Nov 19 22:14:18 CST 2023 Jia Zhu <zhujia.zj@bytedance.com> cachefiles: introduce object ondemand state

[ Upstream commit 357a18d033143617e9c7d420c8f0dd4cbab5f34d ]

Previously, @ondemand_id field was used not only to identify ondemand
state of the object, but also to represent the index of the xarray.
This commit introduces @state field to decouple the role of @ondemand_id
and adds helpers to access it.

Signed-off-by: Jia Zhu <zhujia.zj@bytedance.com>
Link: https://lore.kernel.org/r/20231120041422.75170-2-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>
Stable-dep-of: 0a790040838c ("cachefiles: add spin_lock for cachefiles_ondemand_info")
Signed-off-by: Sasha Levin <sashal@kernel.org>