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authorKeith Busch <kbusch@kernel.org>2020-11-13 10:28:30 -0800
committerChristoph Hellwig <hch@lst.de>2020-11-14 09:57:55 +0100
commitf6224b8681326856937420e1db18564a934bf32b (patch)
tree9150e1c2d48c996506980de81d6852ab24b2fd2a /drivers/nvme
parent0f0d2c876c96d4908a9ef40959a44bec21bdd6cf (diff)
nvme: directly cache command effects log
Remove the struct used for tracking known command effects logs in a list. This is now saved in an xarray that doesn't use these elements. Instead, store the log directly instead of the wrapper struct. Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c9
-rw-r--r--drivers/nvme/host/nvme.h6
2 files changed, 4 insertions, 11 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 9b01afcb7777..2f96675cc0cf 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2929,7 +2929,7 @@ int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi,
static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi,
struct nvme_effects_log **log)
{
- struct nvme_cel *cel = xa_load(&ctrl->cels, csi);
+ struct nvme_effects_log *cel = xa_load(&ctrl->cels, csi);
int ret;
if (cel)
@@ -2940,16 +2940,15 @@ static int nvme_get_effects_log(struct nvme_ctrl *ctrl, u8 csi,
return -ENOMEM;
ret = nvme_get_log(ctrl, 0x00, NVME_LOG_CMD_EFFECTS, 0, csi,
- &cel->log, sizeof(cel->log), 0);
+ cel, sizeof(*cel), 0);
if (ret) {
kfree(cel);
return ret;
}
- cel->csi = csi;
- xa_store(&ctrl->cels, cel->csi, cel, GFP_KERNEL);
+ xa_store(&ctrl->cels, csi, cel, GFP_KERNEL);
out:
- *log = &cel->log;
+ *log = cel;
return 0;
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index bc330bf0d3bd..567f7ad18a91 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -226,12 +226,6 @@ struct nvme_fault_inject {
#endif
};
-struct nvme_cel {
- struct list_head entry;
- struct nvme_effects_log log;
- u8 csi;
-};
-
struct nvme_ctrl {
bool comp_seen;
enum nvme_ctrl_state state;