* [PATCH] f2fs: initialize page_array_entry slab only if compression feature is on
@ 2022-06-18 17:51 Chao Yu
0 siblings, 0 replies; only message in thread
From: Chao Yu @ 2022-06-18 17:51 UTC (permalink / raw)
To: jaegeuk; +Cc: linux-f2fs-devel, linux-kernel, Chao Yu, Chao Yu
Otherwise, in image which doesn't support compression feature,
page_array_entry will be initialized w/o use.
Signed-off-by: Chao Yu <chao.yu@oppo.com>
---
fs/f2fs/compress.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 24824cd96f36..fa237e5c7173 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1908,6 +1908,9 @@ int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi)
dev_t dev = sbi->sb->s_bdev->bd_dev;
char slab_name[32];
+ if (!f2fs_sb_has_compression(sbi))
+ return 0;
+
sprintf(slab_name, "f2fs_page_array_entry-%u:%u", MAJOR(dev), MINOR(dev));
sbi->page_array_slab_size = sizeof(struct page *) <<
--
2.36.1
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