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Mon, 26 Aug 2024 15:02:41 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemd500012.china.huawei.com (7.221.188.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.34; Mon, 26 Aug 2024 15:02:41 +0800 From: Li Zetao To: , , , , CC: , , , Subject: [RFC PATCH -next 1/3] mm: Support scope-based resource management for folio_lock/unlock Date: Mon, 26 Aug 2024 15:10:34 +0800 Message-ID: <20240826071036.2445717-2-lizetao1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240826071036.2445717-1-lizetao1@huawei.com> References: <20240826071036.2445717-1-lizetao1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemd500012.china.huawei.com (7.221.188.25) X-Rspamd-Queue-Id: 3CA852000C X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 7q65raxzbqnrs988opijxyn7j53aok7n X-HE-Tag: 1724655764-222353 X-HE-Meta: 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 nDMjWxWp kS4aO9EYFkTZSK/bU611eIRu9G/lC4csgyNutFtyrWUqhaCIDK6M5ynrrb2G7ZmlWpQEWquqqZScYi4Ms4mnS84tDZa2T/i3+xXiPRg9nLgkqrm1EAFXW9xI6zJp5XStEOXO6lkN/bGiqFzgf0EBFjU4720/MnEuE1pUDXsJhI88QahOz1zZVOqHX57g0s6qcWCL/ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: By introducing the DEFINE_LOCK_GUARD_1 definition, it is possible to lock and unlock of folio's lock based on scope. At the same time, the use of folio_trylock is also supported. Signed-off-by: Li Zetao --- include/linux/pagemap.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index d9c7edb6422b..ed1831c115cc 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -1537,4 +1537,8 @@ unsigned int i_blocks_per_folio(struct inode *inode, struct folio *folio) { return folio_size(folio) >> inode->i_blkbits; } + +DEFINE_LOCK_GUARD_1(folio, struct folio, folio_lock(_T->lock), folio_unlock(_T->lock)) +DEFINE_LOCK_GUARD_1_COND(folio, _try, folio_trylock(_T->lock)) + #endif /* _LINUX_PAGEMAP_H */