| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1592556344-2301-1-git-send-email-zhaowuyun@wingtech.com>
Date: Fri, 19 Jun 2020 16:45:44 +0800
From: zhaowuyun@...gtech.com
To: yuchao0@...wei.com, jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net,
linux-kernel@...r.kernel.org, zhaowuyun@...gtech.com
Subject: [PATCH v3] f2fs-tools: introduce set_node_footer to initialize node footer
From: Wuyun Zhao <zhaowuyun@...gtech.com>
the filesystem will use the cold flag, so deal with it to avoid
potential issue of inconsistency
Signed-off-by: Wuyun Zhao <zhaowuyun@...gtech.com>
---
fsck/dir.c | 7 ++-----
fsck/node.c | 12 +++++-------
include/f2fs_fs.h | 23 +++++++++++++++++++++++
mkfs/f2fs_format.c | 34 +++++++++++++---------------------
4 files changed, 43 insertions(+), 33 deletions(-)
diff --git a/fsck/dir.c b/fsck/dir.c
index 5f4f75e..b067aec 100644
--- a/fsck/dir.c
+++ b/fsck/dir.c
@@ -517,11 +517,8 @@ static void init_inode_block(struct f2fs_sb_info *sbi,
}
set_file_temperature(sbi, node_blk, de->name);
-
- node_blk->footer.ino = cpu_to_le32(de->ino);
- node_blk->footer.nid = cpu_to_le32(de->ino);
- node_blk->footer.flag = 0;
- node_blk->footer.cp_ver = ckpt->checkpoint_ver;
+ set_node_footer(node_blk, de->ino, de->ino, 0,
+ le64_to_cpu(ckpt->checkpoint_ver), 0, S_ISDIR(mode));
if (S_ISDIR(mode)) {
make_empty_dir(sbi, node_blk);
diff --git a/fsck/node.c b/fsck/node.c
index 229a99c..ef7ed0b 100644
--- a/fsck/node.c
+++ b/fsck/node.c
@@ -61,7 +61,7 @@ void set_data_blkaddr(struct dnode_of_data *dn)
block_t new_node_block(struct f2fs_sb_info *sbi,
struct dnode_of_data *dn, unsigned int ofs)
{
- struct f2fs_node *f2fs_inode;
+ struct f2fs_node *f2fs_inode = dn->inode_blk;
struct f2fs_node *node_blk;
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
struct f2fs_summary sum;
@@ -69,16 +69,14 @@ block_t new_node_block(struct f2fs_sb_info *sbi,
block_t blkaddr = NULL_ADDR;
int type;
int ret;
-
- f2fs_inode = dn->inode_blk;
+ nid_t ino = le32_to_cpu(f2fs_inode->footer.ino);
+ u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver);
node_blk = calloc(BLOCK_SZ, 1);
ASSERT(node_blk);
- node_blk->footer.nid = cpu_to_le32(dn->nid);
- node_blk->footer.ino = f2fs_inode->footer.ino;
- node_blk->footer.flag = cpu_to_le32(ofs << OFFSET_BIT_SHIFT);
- node_blk->footer.cp_ver = ckpt->checkpoint_ver;
+ set_node_footer(node_blk, dn->nid, ino, ofs, cp_ver, 0,
+ S_ISDIR(le16_to_cpu(f2fs_inode->i.i_mode)));
type = CURSEG_COLD_NODE;
if (IS_DNODE(node_blk)) {
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 709bfd8..ab19eb7 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -923,6 +923,29 @@ struct f2fs_node {
struct node_footer footer;
} __attribute__((packed));
+static inline void set_cold_node(struct f2fs_node *rn, bool is_dir)
+{
+ unsigned int flag = le32_to_cpu(rn->footer.flag);
+
+ if (is_dir)
+ flag &= ~(0x1 << COLD_BIT_SHIFT);
+ else
+ flag |= (0x1 << COLD_BIT_SHIFT);
+ rn->footer.flag = cpu_to_le32(flag);
+}
+
+static inline void set_node_footer(struct f2fs_node *rn, nid_t nid, nid_t ino,
+ u32 ofs, u64 ver, block_t blkaddr,
+ bool is_dir)
+{
+ rn->footer.nid = cpu_to_le32(nid);
+ rn->footer.ino = cpu_to_le32(ino);
+ rn->footer.flag = cpu_to_le32(ofs << OFFSET_BIT_SHIFT);
+ rn->footer.cp_ver = cpu_to_le64(ver);
+ rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
+ set_cold_node(rn, is_dir);
+}
+
/*
* For NAT entries
*/
diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index 44575e0..656023a 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -1094,6 +1094,9 @@ static int f2fs_write_root_inode(void)
struct f2fs_node *raw_node = NULL;
u_int64_t blk_size_bytes, data_blk_nor;
u_int64_t main_area_node_seg_blk_offset = 0;
+ nid_t nid = le32_to_cpu(sb->root_ino);
+ block_t blkaddr = get_sb(main_blkaddr) +
+ c.cur_seg[CURSEG_HOT_NODE] * c.blks_per_seg + 1;
raw_node = calloc(F2FS_BLKSIZE, 1);
if (raw_node == NULL) {
@@ -1101,13 +1104,7 @@ static int f2fs_write_root_inode(void)
return -1;
}
- raw_node->footer.nid = sb->root_ino;
- raw_node->footer.ino = sb->root_ino;
- raw_node->footer.cp_ver = cpu_to_le64(1);
- raw_node->footer.next_blkaddr = cpu_to_le32(
- get_sb(main_blkaddr) +
- c.cur_seg[CURSEG_HOT_NODE] *
- c.blks_per_seg + 1);
+ set_node_footer(raw_node, nid, nid, 0, 1, blkaddr, 1);
raw_node->i.i_mode = cpu_to_le16(0x41ed);
if (c.lpf_ino)
@@ -1256,6 +1253,10 @@ static int f2fs_write_qf_inode(int qtype)
u_int64_t main_area_node_seg_blk_offset = 0;
__le32 raw_id;
int i;
+ nid_t qf_ino = le32_to_cpu(sb->qf_ino[qtype]);
+ block_t blkaddr = get_sb(main_blkaddr) +
+ c.cur_seg[CURSEG_HOT_NODE] *
+ c.blks_per_seg + 1 + qtype + 1;
raw_node = calloc(F2FS_BLKSIZE, 1);
if (raw_node == NULL) {
@@ -1263,13 +1264,7 @@ static int f2fs_write_qf_inode(int qtype)
return -1;
}
- raw_node->footer.nid = sb->qf_ino[qtype];
- raw_node->footer.ino = sb->qf_ino[qtype];
- raw_node->footer.cp_ver = cpu_to_le64(1);
- raw_node->footer.next_blkaddr = cpu_to_le32(
- get_sb(main_blkaddr) +
- c.cur_seg[CURSEG_HOT_NODE] *
- c.blks_per_seg + 1 + qtype + 1);
+ set_node_footer(raw_node, qf_ino, qf_ino, 0, 1, blkaddr, 0);
raw_node->i.i_mode = cpu_to_le16(0x8180);
raw_node->i.i_links = cpu_to_le32(1);
@@ -1447,6 +1442,9 @@ static int f2fs_write_lpf_inode(void)
struct f2fs_node *raw_node;
u_int64_t blk_size_bytes, main_area_node_seg_blk_offset;
block_t data_blk_nor;
+ block_t blkaddr = get_sb(main_blkaddr) +
+ c.cur_seg[CURSEG_HOT_NODE] * c.blks_per_seg +
+ 1 + c.quota_inum + 1;
int err = 0;
ASSERT(c.lpf_ino);
@@ -1457,13 +1455,7 @@ static int f2fs_write_lpf_inode(void)
return -1;
}
- raw_node->footer.nid = cpu_to_le32(c.lpf_ino);
- raw_node->footer.ino = raw_node->footer.nid;
- raw_node->footer.cp_ver = cpu_to_le64(1);
- raw_node->footer.next_blkaddr = cpu_to_le32(
- get_sb(main_blkaddr) +
- c.cur_seg[CURSEG_HOT_NODE] * c.blks_per_seg +
- 1 + c.quota_inum + 1);
+ set_node_footer(raw_node, c.lpf_ino, c.lpf_ino, 0, 1, blkaddr, 1);
raw_node->i.i_mode = cpu_to_le16(0x41c0); /* 0700 */
raw_node->i.i_links = cpu_to_le32(2);
--
2.7.4
Powered by blists - more mailing lists