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zram: add pr_fmt to backend files

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Add pr_fmt to each backend so that pr_err() messages are auto-prefixed
with the algorithm name.  While at it, tweak the deflate winbits pr_err to
avoid a duplicated "deflate" prefix.

Link: https://lore.kernel.org/20260804093841.67920-4-haoqinhuang7@gmail.com
Signed-off-by: Haoqin Huang <haoqinhuang@tencent.com>
Signed-off-by: Rongwei Wang <zigiwang@tencent.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: David Sterba <dsterba@suse.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Haoqin Huang
2026-08-04 17:38:39 +08:00
committed by Andrew Morton
parent 6dc404d433
commit 70922d5ef8
7 changed files with 19 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/block/zram/backend_842.c
View File

@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "842: " fmt
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sw842.h>

4
drivers/block/zram/backend_deflate.c
View File

@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "deflate: " fmt
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
@@ -30,7 +32,7 @@ static int deflate_setup_params(struct zcomp_params *params)
s32 wb = params->deflate.winbits;
if ((wb < -15 || wb > -9) && (wb < 9 || wb > 15)) {
pr_err("invalid deflate winbits: %d\n", wb);
pr_err("invalid winbits %d\n", wb);
return -EINVAL;
}
}

4
drivers/block/zram/backend_lz4.c
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@@ -1,3 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "lz4: " fmt
#include <linux/kernel.h>
#include <linux/lz4.h>
#include <linux/slab.h>

4
drivers/block/zram/backend_lz4hc.c
View File

@@ -1,3 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "lz4hc: " fmt
#include <linux/kernel.h>
#include <linux/lz4.h>
#include <linux/slab.h>

2
drivers/block/zram/backend_lzo.c
View File

@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "lzo: " fmt
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lzo.h>

2
drivers/block/zram/backend_lzorle.c
View File

@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "lzo-rle: " fmt
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lzo.h>

2
drivers/block/zram/backend_zstd.c
View File

@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#define pr_fmt(fmt) "zstd: " fmt
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>