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Date: Fri, 19 Jun 2020 16:49:22 +0800
From: "Zac" <zhaowuyun@...gtech.com>
To: "'Chao Yu'" <yuchao0@...wei.com>, <jaegeuk@...nel.org>
Cc: <linux-f2fs-devel@...ts.sourceforge.net>,
<linux-kernel@...r.kernel.org>
Subject: 回复: [PATCH v2] f2fs-tools: introduce set_node_footer to initialize node footer
> On 2020/6/19 14:37, zhaowuyun@...gtech.com wrote:
> > 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 | 6 +-----
> > fsck/node.c | 9 +++++----
> > include/f2fs_fs.h | 20 ++++++++++++++++++++
> > mkfs/f2fs_format.c | 14 +++++---------
> > 4 files changed, 31 insertions(+), 18 deletions(-)
> >
> > diff --git a/fsck/dir.c b/fsck/dir.c
> > index 5f4f75e..64aa539 100644
> > --- a/fsck/dir.c
> > +++ b/fsck/dir.c
> > @@ -517,11 +517,7 @@ 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), 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..66e8a81 100644
> > --- a/fsck/node.c
> > +++ b/fsck/node.c
> > @@ -69,16 +69,17 @@ block_t new_node_block(struct f2fs_sb_info *sbi,
> > block_t blkaddr = NULL_ADDR;
> > int type;
> > int ret;
> > + u32 ino;
>
> nid_t ino;
>
> > + u64 cp_ver;
> >
> > f2fs_inode = dn->inode_blk;
> >
> > 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;
> > + ino = le32_to_cpu(f2fs_inode->footer.ino);
> > + cp_ver = le64_to_cpu(ckpt->checkpoint_ver);
> > + set_node_footer(node_blk, dn->nid, ino, ofs, cp_ver,
> 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..3583df4 100644
> > --- a/include/f2fs_fs.h
> > +++ b/include/f2fs_fs.h
> > @@ -923,6 +923,26 @@ 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, u32 nid, u32
ino,
> u32 ofs, u64 ver, bool is_dir)
>
> Sorry, I forgot to add parameter for next_blkaddr...
>
> Could you check this?
Sent v3 patch, please help to review, thanks.
> From: Wuyun Zhao <zhaowuyun@...gtech.com>
> Subject: [PATCH] f2fs-tools: introduce set_node_footer to initialize node
> footer
>
> 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 | 8 ++++----
> include/f2fs_fs.h | 23 +++++++++++++++++++++++
> mkfs/f2fs_format.c | 34 +++++++++++++---------------------
> 4 files changed, 42 insertions(+), 30 deletions(-)
>
> diff --git a/fsck/dir.c b/fsck/dir.c
> index 5f4f75ebed77..b067aec9cffd 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 229a99cab481..da010ff669cc 100644
> --- a/fsck/node.c
> +++ b/fsck/node.c
> @@ -69,16 +69,16 @@ block_t new_node_block(struct f2fs_sb_info *sbi,
> block_t blkaddr = NULL_ADDR;
> int type;
> int ret;
> + nid_t ino = le32_to_cpu(f2fs_inode->footer.ino);
> + u64 cp_ver = le64_to_cpu(ckpt->checkpoint_ver);
>
> f2fs_inode = dn->inode_blk;
>
> 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 265f50c69fd1..0fe478ed820c 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, u32 nid, u32
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 44575e0049fa..cb40e5a76332 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 = cpu_to_le32(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 = cpu_to_le32(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 = cpu_to_le32(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);
> --
> 2.26.2
>
>
>
>
> > +{
> > + 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);
> > + set_cold_node(rn, is_dir);
> > +}
> > +
> > /*
> > * For NAT entries
> > */
> > diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
> > index 44575e0..b371adf 100644
> > --- a/mkfs/f2fs_format.c
> > +++ b/mkfs/f2fs_format.c
> > @@ -1101,9 +1101,7 @@ 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);
> > + set_node_footer(raw_node, le32_to_cpu(sb->root_ino),
> le32_to_cpu(sb->root_ino), 0, 1, 1);
> > raw_node->footer.next_blkaddr = cpu_to_le32(
> > get_sb(main_blkaddr) +
> > c.cur_seg[CURSEG_HOT_NODE] *
> > @@ -1256,6 +1254,7 @@ static int f2fs_write_qf_inode(int qtype)
> > u_int64_t main_area_node_seg_blk_offset = 0;
> > __le32 raw_id;
> > int i;
> > + u32 qf_ino;
> >
> > raw_node = calloc(F2FS_BLKSIZE, 1);
> > if (raw_node == NULL) {
> > @@ -1263,9 +1262,8 @@ 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);
> > + qf_ino = le32_to_cpu(sb->qf_ino[qtype]);
> > + set_node_footer(raw_node, qf_ino, qf_ino, 0, 1, 0);
> > raw_node->footer.next_blkaddr = cpu_to_le32(
> > get_sb(main_blkaddr) +
> > c.cur_seg[CURSEG_HOT_NODE] *
> > @@ -1457,9 +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);
> > + set_node_footer(raw_node, c.lpf_ino, c.lpf_ino, 0, 1, 1);
> > raw_node->footer.next_blkaddr = cpu_to_le32(
> > get_sb(main_blkaddr) +
> > c.cur_seg[CURSEG_HOT_NODE] * c.blks_per_seg +
> >
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