Commit 991b6bdf authored by Zhiguo Niu's avatar Zhiguo Niu Committed by Jaegeuk Kim
Browse files

f2fs: fix some ambiguous comments 



After commit d7e9a903 ("f2fs: Support Block Size == Page Size"),
Some comments are confused and just correct with block size is 4KB.

Signed-off-by: default avatarZhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent a798ff17

include/linux/f2fs_fs.h

+7 −3
Original line number Diff line number Diff line
@@ -394,7 +394,8 @@ struct f2fs_nat_block { 


/*

 * F2FS uses 4 bytes to represent block address. As a result, supported size of

 * disk is 16 TB and it equals to 16 * 1024 * 1024 / 2 segments.

 * disk is 16 TB for a 4K page size and 64 TB for a 16K page size and it equals

 * to 16 * 1024 * 1024 / 2 segments.

 */

#define F2FS_MAX_SEGMENT       ((16 * 1024 * 1024) / 2)
@@ -424,8 +425,10 @@ struct f2fs_sit_block { 
/*

 * For segment summary

 *

 * One summary block contains exactly 512 summary entries, which represents

 * exactly one segment by default. Not allow to change the basic units.

 * One summary block with 4KB size contains exactly 512 summary entries, which

 * represents exactly one segment with 2MB size.

 * Similarly, in the case of block with 16KB size, it represents one segment with 8MB size.

 * Not allow to change the basic units.

 *

 * NOTE: For initializing fields, you must use set_summary

 *
@@ -556,6 +559,7 @@ typedef __le32 f2fs_hash_t; 


/*

 * space utilization of regular dentry and inline dentry (w/o extra reservation)

 * when block size is 4KB.

 *		regular dentry		inline dentry (def)	inline dentry (min)

 * bitmap	1 * 27 = 27		1 * 23 = 23		1 * 1 = 1

 * reserved	1 * 3 = 3		1 * 7 = 7		1 * 1 = 1