[f2fs-dev] [PATCH 20/20] f2fs: enable subpage block size support

[Daeho Jeong <daeho43@gmail.com>]

From: Daeho Jeong <daehojeong@google.com>

All paths now handle filesystem blocks smaller than PAGE_SIZE, so stop
rejecting a superblock whose log_blocksize is below PAGE_SHIFT.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
---
 fs/f2fs/super.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index b2669057b7d2..4339e4ea7a12 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4173,13 +4173,6 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
 		return -EFSCORRUPTED;
 	}
 
-	/* Subpage block size is enabled after all paths support it. */
-	if (le32_to_cpu(raw_super->log_blocksize) != PAGE_SHIFT) {
-		f2fs_info(sbi, "Subpage block size (%u) is not supported yet",
-			  le32_to_cpu(raw_super->log_blocksize));
-		return -EOPNOTSUPP;
-	}
-
 	/* check log blocks per segment */
 	if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) {
 		f2fs_info(sbi, "Invalid log blocks per segment (%u)",
-- 
2.56.0.317.g454f8302e1-goog



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