diff mbox series

[v4,01/19] ext4: fix wrong unit use in ext4_mb_normalize_request

Message ID 20230603150327.3596033-2-shikemeng@huaweicloud.com
State Awaiting Upstream
Headers show
Series Fixes, cleanups and unit test for mballoc | expand

Commit Message

Kemeng Shi June 3, 2023, 3:03 p.m. UTC 
NRL_CHECK_SIZE will compare input req and size, so req and size should
be in same unit. Input req "fe_len" is in cluster unit while input
size "(8<<20)>>bsbits" is in block unit. Convert "fe_len" to block
unit to fix the mismatch.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
---
 fs/ext4/mballoc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 20f67a260df5..7d88f76070be 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4283,7 +4283,7 @@  ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 		start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
 							(22 - bsbits)) << 22;
 		size = 4 * 1024 * 1024;
-	} else if (NRL_CHECK_SIZE(ac->ac_o_ex.fe_len,
+	} else if (NRL_CHECK_SIZE(EXT4_C2B(sbi, ac->ac_o_ex.fe_len),
 					(8<<20)>>bsbits, max, 8 * 1024)) {
 		start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
 							(23 - bsbits)) << 23;