Commit 6403eb1f authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: introduce help macro ADDRS_PER_PAGE() 



Introduce help macro ADDRS_PER_PAGE() to get the number of address pointers in
direct node or inode.

Signed-off-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 2aea39ec

fs/f2fs/data.c

+2 −4
Original line number Diff line number Diff line
@@ -652,8 +652,7 @@ static int get_data_block(struct inode *inode, sector_t iblock, 
		goto put_out;

	}



	end_offset = IS_INODE(dn.node_page) ?

			ADDRS_PER_INODE(F2FS_I(inode)) : ADDRS_PER_BLOCK;

	end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));

	bh_result->b_size = (((size_t)1) << blkbits);

	dn.ofs_in_node++;

	pgofs++;
@@ -675,8 +674,7 @@ static int get_data_block(struct inode *inode, sector_t iblock, 
		if (dn.data_blkaddr == NEW_ADDR)

			goto put_out;



		end_offset = IS_INODE(dn.node_page) ?

			ADDRS_PER_INODE(F2FS_I(inode)) : ADDRS_PER_BLOCK;

		end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));

	}



	if (maxblocks > (bh_result->b_size >> blkbits)) {

fs/f2fs/file.c

+1 −4
Original line number Diff line number Diff line
@@ -288,10 +288,7 @@ int truncate_blocks(struct inode *inode, u64 from) 
		return err;

	}



	if (IS_INODE(dn.node_page))

		count = ADDRS_PER_INODE(F2FS_I(inode));

	else

		count = ADDRS_PER_BLOCK;

	count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));



	count -= dn.ofs_in_node;

	f2fs_bug_on(count < 0);

fs/f2fs/recovery.c

+1 −4
Original line number Diff line number Diff line
@@ -301,10 +301,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, 
		goto out;



	start = start_bidx_of_node(ofs_of_node(page), fi);

	if (IS_INODE(page))

		end = start + ADDRS_PER_INODE(fi);

	else

		end = start + ADDRS_PER_BLOCK;

	end = start + ADDRS_PER_PAGE(page, fi);



	f2fs_lock_op(sbi);

include/linux/f2fs_fs.h

+3 −0
Original line number Diff line number Diff line
@@ -146,6 +146,9 @@ struct f2fs_extent { 
#define ADDRS_PER_BLOCK		1018	/* Address Pointers in a Direct Block */

#define NIDS_PER_BLOCK		1018	/* Node IDs in an Indirect Block */



#define ADDRS_PER_PAGE(page, fi)	\

	(IS_INODE(page) ? ADDRS_PER_INODE(fi) : ADDRS_PER_BLOCK)



#define	NODE_DIR1_BLOCK		(DEF_ADDRS_PER_INODE + 1)

#define	NODE_DIR2_BLOCK		(DEF_ADDRS_PER_INODE + 2)

#define	NODE_IND1_BLOCK		(DEF_ADDRS_PER_INODE + 3)