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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-05-22 08:20:01 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-05-28 15:03:04 +0900 |
| commit | 39cf72cf09c8f36a383919e7675bdb15bd4db53b (patch) | |
| tree | c0cfa3c97591790f03224959453a36aa44235e63 /fs/f2fs | |
| parent | b292dcab068e141d8a820b77cbcc88d98c610eb4 (diff) | |
| download | linux-39cf72cf09c8f36a383919e7675bdb15bd4db53b.tar.bz2 | |
f2fs: fix to handle do_recover_data errors
This patch adds error handling codes of check_index_in_prev_nodes and its
caller, do_recover_data.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/recovery.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index eceb6652532d..dcd8e860aad3 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -188,7 +188,7 @@ static void destroy_fsync_dnodes(struct f2fs_sb_info *sbi, } } -static void check_index_in_prev_nodes(struct f2fs_sb_info *sbi, +static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi, block_t blkaddr, struct dnode_of_data *dn) { struct seg_entry *sentry; @@ -205,7 +205,7 @@ static void check_index_in_prev_nodes(struct f2fs_sb_info *sbi, sentry = get_seg_entry(sbi, segno); if (!f2fs_test_bit(blkoff, sentry->cur_valid_map)) - return; + return 0; /* Get the previous summary */ for (i = CURSEG_WARM_DATA; i <= CURSEG_COLD_DATA; i++) { @@ -232,16 +232,18 @@ static void check_index_in_prev_nodes(struct f2fs_sb_info *sbi, tdn.node_page = dn->inode_page; tdn.ofs_in_node = sum.ofs_in_node; truncate_data_blocks_range(&tdn, 1); - return; + return 0; } else if (dn->nid == nid) { struct dnode_of_data tdn = *dn; tdn.ofs_in_node = sum.ofs_in_node; truncate_data_blocks_range(&tdn, 1); - return; + return 0; } /* Get the node page */ node_page = get_node_page(sbi, nid); + if (IS_ERR(node_page)) + return PTR_ERR(node_page); bidx = start_bidx_of_node(ofs_of_node(node_page)) + le16_to_cpu(sum.ofs_in_node); ino = ino_of_node(node_page); @@ -250,10 +252,11 @@ static void check_index_in_prev_nodes(struct f2fs_sb_info *sbi, /* Deallocate previous index in the node page */ inode = f2fs_iget(sbi->sb, ino); if (IS_ERR(inode)) - return; + return PTR_ERR(inode); truncate_hole(inode, bidx, bidx + 1); iput(inode); + return 0; } static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, @@ -301,7 +304,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, } /* Check the previous node page having this index */ - check_index_in_prev_nodes(sbi, dest, &dn); + err = check_index_in_prev_nodes(sbi, dest, &dn); + if (err) + goto err; set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version); @@ -324,13 +329,14 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode, set_page_dirty(dn.node_page); recover_node_page(sbi, dn.node_page, &sum, &ni, blkaddr); +err: f2fs_put_dnode(&dn); mutex_unlock_op(sbi, ilock); f2fs_msg(sbi->sb, KERN_NOTICE, "recover_data: ino = %lx, " - "recovered_data = %d blocks", - inode->i_ino, recovered); - return 0; + "recovered_data = %d blocks, err = %d", + inode->i_ino, recovered, err); + return err; } static int recover_data(struct f2fs_sb_info *sbi, |