From 48620808e5d02b17a279d13e2e7915721251b685 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Thu, 25 Jan 2018 14:58:45 +0800 Subject: [PATCH] f2fs-tools: support inode creation time This patch supports inode_crtime feature to enable recording inode creation time in inode layout. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fsck/mount.c | 7 +++++++ include/f2fs_fs.h | 5 ++++- mkfs/f2fs_format.c | 5 +++++ mkfs/f2fs_format_main.c | 7 +++++++ 4 files changed, 23 insertions(+), 1 deletion(-) diff --git a/fsck/mount.c b/fsck/mount.c index fe0d510..54eb061 100644 --- a/fsck/mount.c +++ b/fsck/mount.c @@ -233,6 +233,10 @@ void print_inode_info(struct f2fs_sb_info *sbi, DISP_u32(inode, i_projid); if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CHKSUM)) DISP_u32(inode, i_inode_checksum); + if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CRTIME)) { + DISP_u64(inode, i_crtime); + DISP_u32(inode, i_crtime_nsec); + } } DISP_u32(inode, i_addr[ofs]); /* Pointers to data blocks */ @@ -453,6 +457,9 @@ void print_sb_state(struct f2fs_super_block *sb) if (f & cpu_to_le32(F2FS_FEATURE_QUOTA_INO)) { MSG(0, "%s", " quota_ino"); } + if (f & cpu_to_le32(F2FS_FEATURE_INODE_CRTIME)) { + MSG(0, "%s", " inode_crtime"); + } MSG(0, "\n"); MSG(0, "Info: superblock encrypt level = %d, salt = ", sb->encryption_level); diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h index 67f31d8..053ccbe 100644 --- a/include/f2fs_fs.h +++ b/include/f2fs_fs.h @@ -550,6 +550,7 @@ enum { #define F2FS_FEATURE_INODE_CHKSUM 0x0020 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 #define F2FS_FEATURE_QUOTA_INO 0x0080 +#define F2FS_FEATURE_INODE_CRTIME 0x0100 #define MAX_VOLUME_NAME 512 @@ -785,8 +786,10 @@ struct f2fs_inode { __le16 i_inline_xattr_size; /* inline xattr size, unit: 4 bytes */ __le32 i_projid; /* project id */ __le32 i_inode_checksum;/* inode meta checksum */ + __le64 i_crtime; /* creation time */ + __le32 i_crtime_nsec; /* creation time in nano scale */ __le32 i_extra_end[0]; /* for attribute size calculation */ - }; + } __attribute__((packed)); __le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */ }; __le32 i_nid[5]; /* direct(2), indirect(2), diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c index 9d7e180..0fc8b30 100644 --- a/mkfs/f2fs_format.c +++ b/mkfs/f2fs_format.c @@ -1021,6 +1021,11 @@ static int f2fs_write_root_inode(void) if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA)) raw_node->i.i_projid = cpu_to_le32(F2FS_DEF_PROJID); + if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CRTIME)) { + raw_node->i.i_crtime = cpu_to_le32(time(NULL)); + raw_node->i.i_crtime_nsec = 0; + } + 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); diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c index e41bcb1..e522b2f 100644 --- a/mkfs/f2fs_format_main.c +++ b/mkfs/f2fs_format_main.c @@ -92,6 +92,8 @@ static void parse_feature(const char *features) c.feature |= cpu_to_le32(F2FS_FEATURE_FLEXIBLE_INLINE_XATTR); } else if (!strcmp(features, "quota")) { c.feature |= cpu_to_le32(F2FS_FEATURE_QUOTA_INO); + } else if (!strcmp(features, "inode_crtime")) { + c.feature |= cpu_to_le32(F2FS_FEATURE_INODE_CRTIME); } else { MSG(0, "Error: Wrong features\n"); mkfs_usage(); @@ -187,6 +189,11 @@ static void f2fs_parse_options(int argc, char *argv[]) "enabled with extra attr feature\n"); exit(1); } + if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CRTIME)) { + MSG(0, "\tInfo: inode crtime feature should always been" + "enabled with extra attr feature\n"); + exit(1); + } } if (optind >= argc) { -- 2.7.4