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f2fs: fix to check current blkaddr in __allocate_data_blocks 

In __allocate_data_blocks, we should check current blkaddr which is located at
ofs_in_node of dnode page instead of checking first blkaddr all the time.
Otherwise we can only allocate one blkaddr in each dnode page. Fix it.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2015-03-12 17:04:24 +08:00 committed by Jaegeuk Kim
parent 0bfcfcca3d
commit d6d4f1cb91
1 changed files with 4 additions and 1 deletions
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5
fs/f2fs/data.c
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@ -1066,7 +1066,10 @@ static void __allocate_data_blocks(struct inode *inode, loff_t offset,
end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
while (dn.ofs_in_node < end_offset && len) {
if (dn.data_blkaddr == NULL_ADDR) {
block_t blkaddr;
blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
if (blkaddr == NULL_ADDR) {
if (__allocate_data_block(&dn))
goto sync_out;
allocated = true;