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Thu, 26 Oct 2023 17:21:32 -0700 (PDT) From: Daeho Jeong To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Date: Thu, 26 Oct 2023 17:21:23 -0700 Message-ID: <20231027002123.1195780-1-daeho43@gmail.com> X-Mailer: git-send-email 2.42.0.820.g83a721a137-goog MIME-Version: 1.0 X-Headers-End: 1qwAba-0004SV-Eo Subject: [f2fs-dev] [PATCH v2] f2fs-tools: do not reuse corrupted quota inodes X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daeho Jeong Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Daeho Jeong When we detect quota inode corruption, we better deallocate the current space and allocate new ones for a clean start. Signed-off-by: Daeho Jeong --- v2: change node count check when creating a new node block --- fsck/fsck.c | 148 +++++++++++++++++++++++++++++++++++-------------- fsck/segment.c | 5 +- 2 files changed, 109 insertions(+), 44 deletions(-) diff --git a/fsck/fsck.c b/fsck/fsck.c index 99cface..dc8e282 100644 --- a/fsck/fsck.c +++ b/fsck/fsck.c @@ -67,6 +67,14 @@ int f2fs_set_sit_bitmap(struct f2fs_sb_info *sbi, u32 blk) return f2fs_set_bit(BLKOFF_FROM_MAIN(sbi, blk), fsck->sit_area_bitmap); } +static inline int f2fs_clear_sit_bitmap(struct f2fs_sb_info *sbi, u32 blk) +{ + struct f2fs_fsck *fsck = F2FS_FSCK(sbi); + + return f2fs_clear_bit(BLKOFF_FROM_MAIN(sbi, blk), + fsck->sit_area_bitmap); +} + static int add_into_hard_link_list(struct f2fs_sb_info *sbi, u32 nid, u32 link_cnt) { @@ -2150,6 +2158,9 @@ int fsck_chk_quota_node(struct f2fs_sb_info *sbi) return ret; } +static void fsck_disconnect_file(struct f2fs_sb_info *sbi, nid_t ino, + bool dealloc); + int fsck_chk_quota_files(struct f2fs_sb_info *sbi) { struct f2fs_fsck *fsck = F2FS_FSCK(sbi); @@ -2181,6 +2192,8 @@ int fsck_chk_quota_files(struct f2fs_sb_info *sbi) if (c.fix_on) { DBG(0, "Fixing Quota file ([%3d] ino [0x%x])\n", qtype, ino); + fsck_disconnect_file(sbi, ino, true); + f2fs_rebuild_qf_inode(sbi, qtype); f2fs_filesize_update(sbi, ino, 0); ret = quota_write_inode(sbi, qtype); if (!ret) { @@ -2874,10 +2887,53 @@ static int fsck_do_reconnect_file(struct f2fs_sb_info *sbi, return 0; } -static void fsck_failed_reconnect_file_dnode(struct f2fs_sb_info *sbi, - struct f2fs_inode *inode, nid_t nid) +static inline void release_inode_cnt(struct f2fs_sb_info *sbi, bool dealloc) +{ + F2FS_FSCK(sbi)->chk.valid_inode_cnt--; + if (dealloc) + sbi->total_valid_inode_count--; +} + +static inline void release_node_cnt(struct f2fs_sb_info *sbi, bool dealloc) +{ + F2FS_FSCK(sbi)->chk.valid_node_cnt--; + if (dealloc) + sbi->total_valid_node_count--; +} + +static inline void release_block_cnt(struct f2fs_sb_info *sbi, bool dealloc) +{ + F2FS_FSCK(sbi)->chk.valid_blk_cnt--; + if (dealloc) + sbi->total_valid_block_count--; +} + +static inline void release_block(struct f2fs_sb_info *sbi, u64 blkaddr, + bool dealloc) +{ + f2fs_clear_main_bitmap(sbi, blkaddr); + if (dealloc) { + struct seg_entry *se; + u64 offset; + + se = get_seg_entry(sbi, GET_SEGNO(sbi, blkaddr)); + offset = OFFSET_IN_SEG(sbi, blkaddr); + se->valid_blocks--; + f2fs_clear_bit(offset, (char *)se->cur_valid_map); + se->dirty = 1; + f2fs_clear_sit_bitmap(sbi, blkaddr); + } +} + +static inline void release_nat_entry(struct f2fs_sb_info *sbi, u32 nid) +{ + nullify_nat_entry(sbi, nid); + F2FS_FSCK(sbi)->chk.valid_nat_entry_cnt--; +} + +static void fsck_disconnect_file_dnode(struct f2fs_sb_info *sbi, + struct f2fs_inode *inode, nid_t nid, bool dealloc) { - struct f2fs_fsck *fsck = F2FS_FSCK(sbi); struct f2fs_node *node; struct node_info ni; u32 addr; @@ -2890,27 +2946,29 @@ static void fsck_failed_reconnect_file_dnode(struct f2fs_sb_info *sbi, err = dev_read_block(node, ni.blk_addr); ASSERT(err >= 0); - fsck->chk.valid_node_cnt--; - fsck->chk.valid_blk_cnt--; - f2fs_clear_main_bitmap(sbi, ni.blk_addr); + release_node_cnt(sbi, dealloc); + release_block_cnt(sbi, dealloc); + release_block(sbi, ni.blk_addr, dealloc); for (i = 0; i < ADDRS_PER_BLOCK(inode); i++) { addr = le32_to_cpu(node->dn.addr[i]); if (!addr) continue; - fsck->chk.valid_blk_cnt--; + release_block_cnt(sbi, dealloc); if (addr == NEW_ADDR || addr == COMPRESS_ADDR) continue; - f2fs_clear_main_bitmap(sbi, addr); + release_block(sbi, addr, dealloc); } + if (dealloc) + release_nat_entry(sbi, nid); + free(node); } -static void fsck_failed_reconnect_file_idnode(struct f2fs_sb_info *sbi, - struct f2fs_inode *inode, nid_t nid) +static void fsck_disconnect_file_idnode(struct f2fs_sb_info *sbi, + struct f2fs_inode *inode, nid_t nid, bool dealloc) { - struct f2fs_fsck *fsck = F2FS_FSCK(sbi); struct f2fs_node *node; struct node_info ni; nid_t tmp; @@ -2923,24 +2981,26 @@ static void fsck_failed_reconnect_file_idnode(struct f2fs_sb_info *sbi, err = dev_read_block(node, ni.blk_addr); ASSERT(err >= 0); - fsck->chk.valid_node_cnt--; - fsck->chk.valid_blk_cnt--; - f2fs_clear_main_bitmap(sbi, ni.blk_addr); + release_node_cnt(sbi, dealloc); + release_block_cnt(sbi, dealloc); + release_block(sbi, ni.blk_addr, dealloc); for (i = 0; i < NIDS_PER_BLOCK; i++) { tmp = le32_to_cpu(node->in.nid[i]); if (!tmp) continue; - fsck_failed_reconnect_file_dnode(sbi, inode, tmp); + fsck_disconnect_file_dnode(sbi, inode, tmp, dealloc); } + if (dealloc) + release_nat_entry(sbi, nid); + free(node); } -static void fsck_failed_reconnect_file_didnode(struct f2fs_sb_info *sbi, - struct f2fs_inode *inode, nid_t nid) +static void fsck_disconnect_file_didnode(struct f2fs_sb_info *sbi, + struct f2fs_inode *inode, nid_t nid, bool dealloc) { - struct f2fs_fsck *fsck = F2FS_FSCK(sbi); struct f2fs_node *node; struct node_info ni; nid_t tmp; @@ -2953,28 +3013,26 @@ static void fsck_failed_reconnect_file_didnode(struct f2fs_sb_info *sbi, err = dev_read_block(node, ni.blk_addr); ASSERT(err >= 0); - fsck->chk.valid_node_cnt--; - fsck->chk.valid_blk_cnt--; - f2fs_clear_main_bitmap(sbi, ni.blk_addr); + release_node_cnt(sbi, dealloc); + release_block_cnt(sbi, dealloc); + release_block(sbi, ni.blk_addr, dealloc); for (i = 0; i < NIDS_PER_BLOCK; i++) { tmp = le32_to_cpu(node->in.nid[i]); if (!tmp) continue; - fsck_failed_reconnect_file_idnode(sbi, inode, tmp); + fsck_disconnect_file_idnode(sbi, inode, tmp, dealloc); } + if (dealloc) + release_nat_entry(sbi, nid); + free(node); } -/* - * Counters and main_area_bitmap are already changed during checking - * inode block, so clear them. There is no need to clear new blocks - * allocted to lost+found. - */ -static void fsck_failed_reconnect_file(struct f2fs_sb_info *sbi, nid_t ino) +static void fsck_disconnect_file(struct f2fs_sb_info *sbi, nid_t ino, + bool dealloc) { - struct f2fs_fsck *fsck = F2FS_FSCK(sbi); struct f2fs_node *node; struct node_info ni; nid_t nid; @@ -2988,18 +3046,18 @@ static void fsck_failed_reconnect_file(struct f2fs_sb_info *sbi, nid_t ino) ASSERT(err >= 0); /* clear inode counters */ - fsck->chk.valid_inode_cnt--; - fsck->chk.valid_node_cnt--; - fsck->chk.valid_blk_cnt--; - f2fs_clear_main_bitmap(sbi, ni.blk_addr); + release_inode_cnt(sbi, dealloc); + release_node_cnt(sbi, dealloc); + release_block_cnt(sbi, dealloc); + release_block(sbi, ni.blk_addr, dealloc); /* clear xnid counters */ if (node->i.i_xattr_nid) { nid = le32_to_cpu(node->i.i_xattr_nid); - fsck->chk.valid_node_cnt--; - fsck->chk.valid_blk_cnt--; + release_node_cnt(sbi, dealloc); + release_block_cnt(sbi, dealloc); get_node_info(sbi, nid, &ni); - f2fs_clear_main_bitmap(sbi, ni.blk_addr); + release_block(sbi, ni.blk_addr, dealloc); } /* clear data counters */ @@ -3009,10 +3067,10 @@ static void fsck_failed_reconnect_file(struct f2fs_sb_info *sbi, nid_t ino) block_t addr = le32_to_cpu(node->i.i_addr[ofs + i]); if (!addr) continue; - fsck->chk.valid_blk_cnt--; + release_block_cnt(sbi, dealloc); if (addr == NEW_ADDR || addr == COMPRESS_ADDR) continue; - f2fs_clear_main_bitmap(sbi, addr); + release_block(sbi, addr, dealloc); } } @@ -3024,18 +3082,24 @@ static void fsck_failed_reconnect_file(struct f2fs_sb_info *sbi, nid_t ino) switch (i) { case 0: /* direct node */ case 1: - fsck_failed_reconnect_file_dnode(sbi, &node->i, nid); + fsck_disconnect_file_dnode(sbi, &node->i, nid, + dealloc); break; case 2: /* indirect node */ case 3: - fsck_failed_reconnect_file_idnode(sbi, &node->i, nid); + fsck_disconnect_file_idnode(sbi, &node->i, nid, + dealloc); break; case 4: /* double indirect node */ - fsck_failed_reconnect_file_didnode(sbi, &node->i, nid); + fsck_disconnect_file_didnode(sbi, &node->i, nid, + dealloc); break; } } + if (dealloc) + release_nat_entry(sbi, ino); + free(node); } @@ -3121,7 +3185,7 @@ static int fsck_reconnect_file(struct f2fs_sb_info *sbi) if (fsck_do_reconnect_file(sbi, lpf_node, node)) { DBG(1, "Failed to reconnect inode [0x%x]\n", nid); - fsck_failed_reconnect_file(sbi, nid); + fsck_disconnect_file(sbi, nid, false); continue; } diff --git a/fsck/segment.c b/fsck/segment.c index 3a9500f..4e326c4 100644 --- a/fsck/segment.c +++ b/fsck/segment.c @@ -37,7 +37,7 @@ int reserve_new_block(struct f2fs_sb_info *sbi, block_t *to, return -ENOSPC; } if (is_node && fsck->chk.valid_node_cnt >= - sbi->total_valid_node_count) { + sbi->total_node_count) { ERR_MSG("Not enough space for node block\n"); return -ENOSPC; } @@ -76,7 +76,7 @@ int reserve_new_block(struct f2fs_sb_info *sbi, block_t *to, se = get_seg_entry(sbi, GET_SEGNO(sbi, blkaddr)); offset = OFFSET_IN_SEG(sbi, blkaddr); - se->type = type; + se->type = se->orig_type = type; if (se->valid_blocks == 0) SM_I(sbi)->free_segments--; se->valid_blocks++; @@ -101,6 +101,7 @@ int reserve_new_block(struct f2fs_sb_info *sbi, block_t *to, if (c.func == FSCK) { fsck->chk.valid_blk_cnt++; if (is_node) { + fsck->chk.valid_nat_entry_cnt++; fsck->chk.valid_node_cnt++; if (is_inode) fsck->chk.valid_inode_cnt++;