From c33fbe8f673c55c178bfe69d0d9f06f1a68bf6cf Mon Sep 17 00:00:00 2001
From: Ritesh Harjani <riteshh@linux.ibm.com>
Date: Wed, 16 Oct 2019 13:07:11 +0530
Subject: [PATCH] ext4: Enable blocksize < pagesize for dioread_nolock
All support is now added for blocksize < pagesize for dioread_nolock.
This patch removes those checks which disables dioread_nolock
feature for blocksize != pagesize.
Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/20191016073711.4141-6-riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
fs/ext4/super.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index dd654e53ba3d98..7796e2ffc29425 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2105,16 +2105,6 @@ static int parse_options(char *options, struct super_block *sb,
}
}
#endif
- if (test_opt(sb, DIOREAD_NOLOCK)) {
- int blocksize =
- BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
-
- if (blocksize < PAGE_SIZE) {
- ext4_msg(sb, KERN_ERR, "can't mount with "
- "dioread_nolock if block size != PAGE_SIZE");
- return 0;
- }
- }
return 1;
}
--
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