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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: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-02-09 10:34:38 -08:00
parent aaf9607516
commit da17eece03
1 changed files with 3 additions and 1 deletions
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4
fs/f2fs/data.c
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@ -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;