From 000519f27866afdfde020d097b76cf2c4038595e Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Thu, 6 Jul 2017 01:11:31 +0800 Subject: f2fs: don't count inode block in in-memory inode.i_blocks Previously, we count all inode consumed blocks including inode block, xattr block, index block, data block into i_blocks, for other generic filesystems, they won't count inode block into i_blocks, so for userspace applications or quota system, they may detect incorrect block count according to i_blocks value in inode. This patch changes to count all blocks into inode.i_blocks excluding inode block, for on-disk i_blocks, we keep counting inode block for backward compatibility. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) (limited to 'fs/f2fs/node.c') diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index fd57ffd88508..b9f14ba6441f 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -678,15 +678,11 @@ static void truncate_node(struct dnode_of_data *dn) struct node_info ni; get_node_info(sbi, dn->nid, &ni); - if (dn->inode->i_blocks == 0) { - f2fs_bug_on(sbi, ni.blk_addr != NULL_ADDR); - goto invalidate; - } f2fs_bug_on(sbi, ni.blk_addr == NULL_ADDR); /* Deallocate node address */ invalidate_blocks(sbi, ni.blk_addr); - dec_valid_node_count(sbi, dn->inode); + dec_valid_node_count(sbi, dn->inode, dn->nid == dn->inode->i_ino); set_node_addr(sbi, &ni, NULL_ADDR, false); if (dn->nid == dn->inode->i_ino) { @@ -694,7 +690,7 @@ static void truncate_node(struct dnode_of_data *dn) dec_valid_inode_count(sbi); f2fs_inode_synced(dn->inode); } -invalidate: + clear_node_page_dirty(dn->node_page); set_sbi_flag(sbi, SBI_IS_DIRTY); @@ -1044,7 +1040,7 @@ struct page *new_node_page(struct dnode_of_data *dn, if (!page) return ERR_PTR(-ENOMEM); - if (unlikely(!inc_valid_node_count(sbi, dn->inode))) { + if (unlikely(!inc_valid_node_count(sbi, dn->inode, !ofs))) { err = -ENOSPC; goto fail; } @@ -2207,14 +2203,14 @@ int recover_xattr_data(struct inode *inode, struct page *page, block_t blkaddr) get_node_info(sbi, prev_xnid, &ni); f2fs_bug_on(sbi, ni.blk_addr == NULL_ADDR); invalidate_blocks(sbi, ni.blk_addr); - dec_valid_node_count(sbi, inode); + dec_valid_node_count(sbi, inode, false); set_node_addr(sbi, &ni, NULL_ADDR, false); recover_xnid: /* 2: update xattr nid in inode */ remove_free_nid(sbi, new_xnid); f2fs_i_xnid_write(inode, new_xnid); - if (unlikely(!inc_valid_node_count(sbi, inode))) + if (unlikely(!inc_valid_node_count(sbi, inode, false))) f2fs_bug_on(sbi, 1); update_inode_page(inode); @@ -2272,7 +2268,7 @@ retry: new_ni = old_ni; new_ni.ino = ino; - if (unlikely(!inc_valid_node_count(sbi, NULL))) + if (unlikely(!inc_valid_node_count(sbi, NULL, true))) WARN_ON(1); set_node_addr(sbi, &new_ni, NEW_ADDR, false); inc_valid_inode_count(sbi); -- cgit v1.2.3