From: Guixin Liu <kanie@linux.alibaba.com>
To: kbusch@kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me
Cc: linux-nvme@lists.infradead.org
Subject: [PATCH] nvme: move nvme_dsm_range size check to _nvme_check_size()
Date: Fri, 23 Feb 2024 11:29:47 +0800 [thread overview]
Message-ID: <20240223032947.55086-1-kanie@linux.alibaba.com> (raw)
Move nvme_dsm_range size check to _nvme_check_size(), and remove
redundant same check.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
---
drivers/nvme/host/core.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 5cdd22f591f9..848d4b896fec 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1800,9 +1800,6 @@ static void nvme_config_discard(struct nvme_ctrl *ctrl, struct gendisk *disk,
return;
}
- BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) <
- NVME_DSM_MAX_RANGES);
-
/*
* If discard is already enabled, don't reset queue limits.
*
@@ -4602,8 +4599,6 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive;
ctrl->ka_last_check_time = jiffies;
- BUILD_BUG_ON(NVME_DSM_MAX_RANGES * sizeof(struct nvme_dsm_range) >
- PAGE_SIZE);
ctrl->discard_page = alloc_page(GFP_KERNEL);
if (!ctrl->discard_page) {
ret = -ENOMEM;
@@ -4823,6 +4818,8 @@ static inline void _nvme_check_size(void)
BUILD_BUG_ON(sizeof(struct nvme_dbbuf) != 64);
BUILD_BUG_ON(sizeof(struct nvme_directive_cmd) != 64);
BUILD_BUG_ON(sizeof(struct nvme_feat_host_behavior) != 512);
+ BUILD_BUG_ON(NVME_DSM_MAX_RANGES * sizeof(struct nvme_dsm_range) >
+ PAGE_SIZE);
}
--
2.43.0
next reply other threads:[~2024-02-23 3:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-23 3:29 Guixin Liu [this message]
2024-02-27 6:05 ` [PATCH] nvme: move nvme_dsm_range size check to _nvme_check_size() Guixin Liu
2024-02-27 15:21 ` Christoph Hellwig
2024-03-07 9:39 ` Sagi Grimberg
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