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b=FQaWmq4yLy6MKgkjxIgqjzC2VzS+L1XH44j5h34R9KKcMQBrG0Vlo+3/ZgMoNuUSU 5/pXXQTfq9LmAYKo+RwKjUpIuJJLcSC84nEy+4hX0qgfm6eWae3fQodfz7GFKdq7/L upNiVRHGspdJ8caR+1ECmafpqxqC+1jTV/p3UosO/pvubCypMg1PCYfxNPOW4d5cq7 FtNLFhOtBfuZNNXj+ayRl9he6O5J8LtwpE7Ku4WUpjKS8wNKrP9mXIdNhQPQaDuMTd 8bP+X/KVD+wu1VmgT91BjWrT7EGBOS06ceCB0RnCzMstCJkWB4FcQRJshJTAYM9WdS vnd0GL417qoYA== Date: Wed, 17 May 2023 18:36:22 -0700 From: Jaegeuk Kim To: Chao Yu Message-ID: References: <20230517082632.748914-1-chao@kernel.org> <20230517082632.748914-3-chao@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230517082632.748914-3-chao@kernel.org> X-Headers-End: 1pzSZC-0006Jr-HW Subject: Re: [f2fs-dev] [PATCH 3/4] mkfs.f2fs: cleanup w/ alloc_next_free_block() 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: linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 05/17, Chao Yu wrote: > Introduce alloc_next_free_block() to wrap below openned codes: > > blkaddr = get_sb(main_blkaddr) + > c.cur_seg[curseg_type] * c.blks_per_seg + > c.curseg_offset[curseg_type]; > > Meanwhile add curseg_offset field in f2fs_configuration to record > last blkaddr in each log. > > Signed-off-by: Chao Yu > --- > include/f2fs_fs.h | 2 + > mkfs/f2fs_format.c | 101 +++++++++++++++++++-------------------------- > 2 files changed, 45 insertions(+), 58 deletions(-) > > diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h > index 8475645..05d27ba 100644 > --- a/include/f2fs_fs.h > +++ b/include/f2fs_fs.h > @@ -603,6 +603,8 @@ struct f2fs_configuration { > > /* compression support for sload.f2fs */ > compress_config_t compress; > + > + block_t curseg_offset[6]; NR_CURSEG_TYPE? > }; > > #ifdef CONFIG_64BIT > diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c > index 620f779..2ca5f48 100644 > --- a/mkfs/f2fs_format.c > +++ b/mkfs/f2fs_format.c > @@ -1230,11 +1230,24 @@ static int f2fs_discard_obsolete_dnode(void) > } > #endif > > +static block_t alloc_next_free_block(int curseg_type, int blkcnt) > +{ > + block_t blkaddr; > + > + blkaddr = get_sb(main_blkaddr) + > + c.cur_seg[curseg_type] * c.blks_per_seg + > + c.curseg_offset[curseg_type]; > + > + c.curseg_offset[curseg_type] += blkcnt; > + > + return blkaddr; > +} > + > static int f2fs_write_root_inode(void) > { > struct f2fs_node *raw_node = NULL; > - uint64_t data_blk_nor; > - uint64_t main_area_node_seg_blk_offset = 0; > + block_t data_blkaddr; > + block_t node_blkaddr; > > raw_node = calloc(F2FS_BLKSIZE, 1); > if (raw_node == NULL) { > @@ -1248,24 +1261,15 @@ static int f2fs_write_root_inode(void) > if (c.lpf_ino) > raw_node->i.i_links = cpu_to_le32(3); > > - raw_node->footer.next_blkaddr = cpu_to_le32( > - get_sb(main_blkaddr) + > - c.cur_seg[CURSEG_HOT_NODE] * > - c.blks_per_seg + 1); > - > - data_blk_nor = get_sb(main_blkaddr) + > - c.cur_seg[CURSEG_HOT_DATA] * c.blks_per_seg; > - raw_node->i.i_addr[get_extra_isize(raw_node)] = cpu_to_le32(data_blk_nor); > - > - main_area_node_seg_blk_offset = get_sb(main_blkaddr); > - main_area_node_seg_blk_offset += c.cur_seg[CURSEG_HOT_NODE] * > - c.blks_per_seg; > - > - DBG(1, "\tWriting root inode (hot node), %x %x %x at offset 0x%08"PRIu64"\n", > - get_sb(main_blkaddr), > - c.cur_seg[CURSEG_HOT_NODE], > - c.blks_per_seg, main_area_node_seg_blk_offset); > - if (write_inode(raw_node, main_area_node_seg_blk_offset) < 0) { > + data_blkaddr = alloc_next_free_block(CURSEG_HOT_DATA, 1); > + raw_node->i.i_addr[get_extra_isize(raw_node)] = > + cpu_to_le32(data_blkaddr); > + > + node_blkaddr = alloc_next_free_block(CURSEG_HOT_NODE, 1); > + raw_node->footer.next_blkaddr = cpu_to_le32(node_blkaddr + 1); > + > + DBG(1, "\tWriting root inode (hot node), offset 0x%x\n", node_blkaddr); > + if (write_inode(raw_node, node_blkaddr) < 0) { > MSG(1, "\tError: While writing the raw_node to disk!!!\n"); > free(raw_node); > return -1; > @@ -1349,8 +1353,8 @@ static int f2fs_write_default_quota(int qtype, unsigned int blkaddr, > static int f2fs_write_qf_inode(int qtype, int offset) > { > struct f2fs_node *raw_node = NULL; > - uint64_t data_blk_nor; > - uint64_t main_area_node_seg_blk_offset = 0; > + block_t data_blkaddr; > + block_t node_blkaddr; > __le32 raw_id; > int i; > > @@ -1366,14 +1370,10 @@ static int f2fs_write_qf_inode(int qtype, int offset) > raw_node->i.i_blocks = cpu_to_le64(1 + QUOTA_DATA(qtype)); > raw_node->i.i_flags = F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL; > > - 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); > + node_blkaddr = alloc_next_free_block(CURSEG_HOT_NODE, 1); > + raw_node->footer.next_blkaddr = cpu_to_le32(node_blkaddr + 1); > > - data_blk_nor = get_sb(main_blkaddr) + > - c.cur_seg[CURSEG_HOT_DATA] * c.blks_per_seg + 1 > - + offset * QUOTA_DATA(i); > + data_blkaddr = alloc_next_free_block(CURSEG_HOT_DATA, QUOTA_DATA(i)); > > if (qtype == 0) > raw_id = raw_node->i.i_uid; > @@ -1385,24 +1385,17 @@ static int f2fs_write_qf_inode(int qtype, int offset) > ASSERT(0); > > /* write two blocks */ > - if (f2fs_write_default_quota(qtype, data_blk_nor, raw_id)) { > + if (f2fs_write_default_quota(qtype, data_blkaddr, raw_id)) { > free(raw_node); > return -1; > } > > for (i = 0; i < QUOTA_DATA(qtype); i++) > raw_node->i.i_addr[get_extra_isize(raw_node) + i] = > - cpu_to_le32(data_blk_nor + i); > + cpu_to_le32(data_blkaddr + i); > > - main_area_node_seg_blk_offset = get_sb(main_blkaddr); > - main_area_node_seg_blk_offset += c.cur_seg[CURSEG_HOT_NODE] * > - c.blks_per_seg + offset + 1; > - > - DBG(1, "\tWriting quota inode (hot node), %x %x %x at offset 0x%08"PRIu64"\n", > - get_sb(main_blkaddr), > - c.cur_seg[CURSEG_HOT_NODE], > - c.blks_per_seg, main_area_node_seg_blk_offset); > - if (write_inode(raw_node, main_area_node_seg_blk_offset) < 0) { > + DBG(1, "\tWriting quota inode (hot node), offset 0x%x\n", node_blkaddr); > + if (write_inode(raw_node, node_blkaddr) < 0) { > MSG(1, "\tError: While writing the raw_node to disk!!!\n"); > free(raw_node); > return -1; > @@ -1492,8 +1485,8 @@ static block_t f2fs_add_default_dentry_lpf(void) > static int f2fs_write_lpf_inode(void) > { > struct f2fs_node *raw_node; > - uint64_t main_area_node_seg_blk_offset; > - block_t data_blk_nor; > + block_t data_blkaddr; > + block_t node_blkaddr; > int err = 0; > > ASSERT(c.lpf_ino); > @@ -1510,28 +1503,20 @@ static int f2fs_write_lpf_inode(void) > raw_node->i.i_namelen = le32_to_cpu(strlen(LPF)); > memcpy(raw_node->i.i_name, LPF, strlen(LPF)); > > - 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); > + node_blkaddr = alloc_next_free_block(CURSEG_HOT_NODE, 1); > + raw_node->footer.next_blkaddr = cpu_to_le32(node_blkaddr + 1); > > - data_blk_nor = f2fs_add_default_dentry_lpf(); > - if (data_blk_nor == 0) { > + data_blkaddr = f2fs_add_default_dentry_lpf(); > + if (data_blkaddr == 0) { > MSG(1, "\tError: Failed to add default dentries for lost+found!!!\n"); > err = -1; > goto exit; > } > - raw_node->i.i_addr[get_extra_isize(raw_node)] = cpu_to_le32(data_blk_nor); > - > - main_area_node_seg_blk_offset = get_sb(main_blkaddr); > - main_area_node_seg_blk_offset += c.cur_seg[CURSEG_HOT_NODE] * > - c.blks_per_seg + c.quota_inum + 1; > + raw_node->i.i_addr[get_extra_isize(raw_node)] = cpu_to_le32(data_blkaddr); > > - DBG(1, "\tWriting lost+found inode (hot node), %x %x %x at offset 0x%08"PRIu64"\n", > - get_sb(main_blkaddr), > - c.cur_seg[CURSEG_HOT_NODE], > - c.blks_per_seg, main_area_node_seg_blk_offset); > - if (write_inode(raw_node, main_area_node_seg_blk_offset) < 0) { > + DBG(1, "\tWriting lost+found inode (hot node), offset 0x%x\n", > + node_blkaddr); > + if (write_inode(raw_node, node_blkaddr) < 0) { > MSG(1, "\tError: While writing the raw_node to disk!!!\n"); > err = -1; > goto exit; > -- > 2.40.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel