If nid's block address is assigned as:
NULL_ADDR -> NEW_ADDR -> NULL_ADDR, we can reset this nid, since its node page
has never written back.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/node.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 16532b3..15f55ae 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -317,10 +317,16 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
}
/* change address */
- nat_set_blkaddr(e, new_blkaddr);
- if (new_blkaddr == NEW_ADDR || new_blkaddr == NULL_ADDR)
- set_nat_flag(e, IS_CHECKPOINTED, false);
- __set_nat_cache_dirty(nm_i, e);
+ if (nat_get_blkaddr(e) == NEW_ADDR && new_blkaddr == NULL_ADDR) {
+ nat_set_blkaddr(e, new_blkaddr);
+ nat_reset_flag(e);
+ __clear_nat_cache_dirty(nm_i, e);
+ } else {
+ nat_set_blkaddr(e, new_blkaddr);
+ if (new_blkaddr == NEW_ADDR || new_blkaddr == NULL_ADDR)
+ set_nat_flag(e, IS_CHECKPOINTED, false);
+ __set_nat_cache_dirty(nm_i, e);
+ }
/* update fsync_mark if its inode nat entry is still alive */
if (ni->nid != ni->ino)
--
2.6.3
--
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