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f2fs: fix to check current blkaddr in __allocate_data_blocks

PATCH New Chao Yu 1 participant 1 message Mar 12, 2015 F2FS file system

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Chao Yu

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PATCH 1/1 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 <[email protected]>
---
 fs/f2fs/data.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
fs/f2fs/data.c +4 -1
index 0057d4b..ba70a78 100644
@@ -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;
Signature · 1 line
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