Commit da17eece authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: call set_buffer_new for get_block 



This patch fixes wrong handling of buffer_new flag in get_block.
If f2fs allocates new blocks and mapped buffer_head, it needs to set buffer_new
for the bh_result.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent aaf96075

fs/f2fs/data.c

+3 −1
Original line number Diff line number Diff line
@@ -274,7 +274,7 @@ static int check_extent_cache(struct inode *inode, pgoff_t pgofs, 
		unsigned int blkbits = inode->i_sb->s_blocksize_bits;

		size_t count;



		clear_buffer_new(bh_result);

		set_buffer_new(bh_result);

		map_bh(bh_result, inode->i_sb,

				start_blkaddr + pgofs - start_fofs);

		count = end_fofs - pgofs + 1;
@@ -634,12 +634,14 @@ static int __get_data_block(struct inode *inode, sector_t iblock, 
		goto put_out;



	if (dn.data_blkaddr != NULL_ADDR) {

		set_buffer_new(bh_result);

		map_bh(bh_result, inode->i_sb, dn.data_blkaddr);

	} else if (create) {

		err = __allocate_data_block(&dn);

		if (err)

			goto put_out;

		allocated = true;

		set_buffer_new(bh_result);

		map_bh(bh_result, inode->i_sb, dn.data_blkaddr);

	} else {

		goto put_out;