f2fs: use F2FS_BLKSIZE to judge bloksize and page_cache_size
In some system PAGE_CACHE_SIZE isn't 4K. So using F2FS_BLKSIZE to judge.
By Jaegeuk Kim:
o f2fs does not support no other 4KB page cache size.
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0b18aee..1d7fe11 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -384,14 +384,23 @@
return 1;
}
+ /* Currently, support only 4KB page cache size */
+ if (F2FS_BLKSIZE != PAGE_CACHE_SIZE) {
+ f2fs_msg(sb, KERN_INFO,
+ "Invalid page_cache_size (%u), supports only 4KB\n",
+ PAGE_CACHE_SIZE);
+ return 1;
+ }
+
/* Currently, support only 4KB block size */
blocksize = 1 << le32_to_cpu(raw_super->log_blocksize);
- if (blocksize != PAGE_CACHE_SIZE) {
+ if (blocksize != F2FS_BLKSIZE) {
f2fs_msg(sb, KERN_INFO,
"Invalid blocksize (%u), supports only 4KB\n",
blocksize);
return 1;
}
+
if (le32_to_cpu(raw_super->log_sectorsize) !=
F2FS_LOG_SECTOR_SIZE) {
f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize");