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* [PATCH v2] f2fs: support inode creation time
@ 2018-01-22 15:26 Chao Yu
  2018-01-24  5:38 ` Jaegeuk Kim
  0 siblings, 1 reply; 4+ messages in thread
From: Chao Yu @ 2018-01-22 15:26 UTC (permalink / raw)
  To: jaegeuk; +Cc: linux-f2fs-devel, linux-kernel, Chao Yu

From: Chao Yu <yuchao0@huawei.com>

This patch adds creation time field in inode layout to support showing
kstat.btime in ->statx.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
v2:
- add missing sysfs entry.
 fs/f2fs/f2fs.h          |  7 +++++++
 fs/f2fs/file.c          |  9 +++++++++
 fs/f2fs/inode.c         | 16 ++++++++++++++++
 fs/f2fs/namei.c         |  3 ++-
 fs/f2fs/sysfs.c         |  7 +++++++
 include/linux/f2fs_fs.h |  2 ++
 6 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index b7ba496af28f..6300ac5bcbe4 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -124,6 +124,7 @@ struct f2fs_mount_info {
 #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 F2FS_HAS_FEATURE(sb, mask)					\
 	((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
@@ -635,6 +636,7 @@ struct f2fs_inode_info {
 	int i_extra_isize;		/* size of extra space located in i_addr */
 	kprojid_t i_projid;		/* id for project quota */
 	int i_inline_xattr_size;	/* inline xattr size */
+	struct timespec i_crtime;	/* inode creation time */
 };
 
 static inline void get_extent_info(struct extent_info *ext,
@@ -3205,6 +3207,11 @@ static inline int f2fs_sb_has_quota_ino(struct super_block *sb)
 	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO);
 }
 
+static inline int f2fs_sb_has_inode_crtime(struct super_block *sb)
+{
+	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CRTIME);
+}
+
 #ifdef CONFIG_BLK_DEV_ZONED
 static inline int get_blkz_type(struct f2fs_sb_info *sbi,
 			struct block_device *bdev, block_t blkaddr)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b9b1efe61d29..0873ba12ebc6 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -672,8 +672,17 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
 {
 	struct inode *inode = d_inode(path->dentry);
 	struct f2fs_inode_info *fi = F2FS_I(inode);
+	struct f2fs_inode *ri;
 	unsigned int flags;
 
+	if (f2fs_has_extra_attr(inode) &&
+			f2fs_sb_has_inode_crtime(inode->i_sb) &&
+			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
+		stat->result_mask |= STATX_BTIME;
+		stat->btime.tv_sec = fi->i_crtime.tv_sec;
+		stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
+	}
+
 	flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
 	if (flags & FS_APPEND_FL)
 		stat->attributes |= STATX_ATTR_APPEND;
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 1dc77a40d0ad..99ee72bff628 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -278,6 +278,13 @@ static int do_read_inode(struct inode *inode)
 		i_projid = F2FS_DEF_PROJID;
 	fi->i_projid = make_kprojid(&init_user_ns, i_projid);
 
+	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
+			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
+		fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
+		fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
+	}
+
+
 	f2fs_put_page(node_page, 1);
 
 	stat_inc_inline_xattr(inode);
@@ -421,6 +428,15 @@ void update_inode(struct inode *inode, struct page *node_page)
 						F2FS_I(inode)->i_projid);
 			ri->i_projid = cpu_to_le32(i_projid);
 		}
+
+		if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
+			F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
+								i_crtime)) {
+			ri->i_crtime =
+				cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
+			ri->i_crtime_nsec =
+				cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
+		}
 	}
 
 	__set_inode_rdev(inode, ri);
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 3ee97ba9d2d7..c4c94c7e9f4f 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -50,7 +50,8 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 
 	inode->i_ino = ino;
 	inode->i_blocks = 0;
-	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+	inode->i_mtime = inode->i_atime = inode->i_ctime =
+			F2FS_I(inode)->i_crtime = current_time(inode);
 	inode->i_generation = sbi->s_next_generation++;
 
 	err = insert_inode_locked(inode);
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 41887e6ec1b3..d978c7b6ea04 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -113,6 +113,9 @@ static ssize_t features_show(struct f2fs_attr *a,
 	if (f2fs_sb_has_quota_ino(sb))
 		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "quota_ino");
+	if (f2fs_sb_has_inode_crtime(sb))
+		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
+				len ? ", " : "", "inode_crtime");
 	len += snprintf(buf + len, PAGE_SIZE - len, "\n");
 	return len;
 }
@@ -232,6 +235,7 @@ enum feat_id {
 	FEAT_INODE_CHECKSUM,
 	FEAT_FLEXIBLE_INLINE_XATTR,
 	FEAT_QUOTA_INO,
+	FEAT_INODE_CRTIME,
 };
 
 static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@@ -246,6 +250,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
 	case FEAT_INODE_CHECKSUM:
 	case FEAT_FLEXIBLE_INLINE_XATTR:
 	case FEAT_QUOTA_INO:
+	case FEAT_INODE_CRTIME:
 		return snprintf(buf, PAGE_SIZE, "supported\n");
 	}
 	return 0;
@@ -323,6 +328,7 @@ F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
 F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
 F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
 F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
+F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
 
 #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
 static struct attribute *f2fs_attrs[] = {
@@ -376,6 +382,7 @@ static struct attribute *f2fs_feat_attrs[] = {
 	ATTR_LIST(inode_checksum),
 	ATTR_LIST(flexible_inline_xattr),
 	ATTR_LIST(quota_ino),
+	ATTR_LIST(inode_crtime),
 	NULL,
 };
 
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 6eed677b6d9a..73af22dc300a 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -253,6 +253,8 @@ 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 */
 		};
 		__le32 i_addr[DEF_ADDRS_PER_INODE];	/* Pointers to data blocks */
-- 
2.14.1.145.gb3622a4ee

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] f2fs: support inode creation time
  2018-01-22 15:26 [PATCH v2] f2fs: support inode creation time Chao Yu
@ 2018-01-24  5:38 ` Jaegeuk Kim
  2018-01-24 14:59   ` Chao Yu
  0 siblings, 1 reply; 4+ messages in thread
From: Jaegeuk Kim @ 2018-01-24  5:38 UTC (permalink / raw)
  To: Chao Yu; +Cc: linux-f2fs-devel, linux-kernel, Chao Yu

On 01/22, Chao Yu wrote:
> From: Chao Yu <yuchao0@huawei.com>
> 
> This patch adds creation time field in inode layout to support showing
> kstat.btime in ->statx.

Hi Chao,

Could you please check this patch again? I reverted this due to kernel panic.

Thanks,

> 
> Signed-off-by: Chao Yu <yuchao0@huawei.com>
> ---
> v2:
> - add missing sysfs entry.
>  fs/f2fs/f2fs.h          |  7 +++++++
>  fs/f2fs/file.c          |  9 +++++++++
>  fs/f2fs/inode.c         | 16 ++++++++++++++++
>  fs/f2fs/namei.c         |  3 ++-
>  fs/f2fs/sysfs.c         |  7 +++++++
>  include/linux/f2fs_fs.h |  2 ++
>  6 files changed, 43 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index b7ba496af28f..6300ac5bcbe4 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -124,6 +124,7 @@ struct f2fs_mount_info {
>  #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 F2FS_HAS_FEATURE(sb, mask)					\
>  	((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
> @@ -635,6 +636,7 @@ struct f2fs_inode_info {
>  	int i_extra_isize;		/* size of extra space located in i_addr */
>  	kprojid_t i_projid;		/* id for project quota */
>  	int i_inline_xattr_size;	/* inline xattr size */
> +	struct timespec i_crtime;	/* inode creation time */
>  };
>  
>  static inline void get_extent_info(struct extent_info *ext,
> @@ -3205,6 +3207,11 @@ static inline int f2fs_sb_has_quota_ino(struct super_block *sb)
>  	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO);
>  }
>  
> +static inline int f2fs_sb_has_inode_crtime(struct super_block *sb)
> +{
> +	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CRTIME);
> +}
> +
>  #ifdef CONFIG_BLK_DEV_ZONED
>  static inline int get_blkz_type(struct f2fs_sb_info *sbi,
>  			struct block_device *bdev, block_t blkaddr)
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index b9b1efe61d29..0873ba12ebc6 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -672,8 +672,17 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
>  {
>  	struct inode *inode = d_inode(path->dentry);
>  	struct f2fs_inode_info *fi = F2FS_I(inode);
> +	struct f2fs_inode *ri;
>  	unsigned int flags;
>  
> +	if (f2fs_has_extra_attr(inode) &&
> +			f2fs_sb_has_inode_crtime(inode->i_sb) &&
> +			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
> +		stat->result_mask |= STATX_BTIME;
> +		stat->btime.tv_sec = fi->i_crtime.tv_sec;
> +		stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
> +	}
> +
>  	flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
>  	if (flags & FS_APPEND_FL)
>  		stat->attributes |= STATX_ATTR_APPEND;
> diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
> index 1dc77a40d0ad..99ee72bff628 100644
> --- a/fs/f2fs/inode.c
> +++ b/fs/f2fs/inode.c
> @@ -278,6 +278,13 @@ static int do_read_inode(struct inode *inode)
>  		i_projid = F2FS_DEF_PROJID;
>  	fi->i_projid = make_kprojid(&init_user_ns, i_projid);
>  
> +	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
> +			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
> +		fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
> +		fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
> +	}
> +
> +
>  	f2fs_put_page(node_page, 1);
>  
>  	stat_inc_inline_xattr(inode);
> @@ -421,6 +428,15 @@ void update_inode(struct inode *inode, struct page *node_page)
>  						F2FS_I(inode)->i_projid);
>  			ri->i_projid = cpu_to_le32(i_projid);
>  		}
> +
> +		if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
> +			F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
> +								i_crtime)) {
> +			ri->i_crtime =
> +				cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
> +			ri->i_crtime_nsec =
> +				cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
> +		}
>  	}
>  
>  	__set_inode_rdev(inode, ri);
> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
> index 3ee97ba9d2d7..c4c94c7e9f4f 100644
> --- a/fs/f2fs/namei.c
> +++ b/fs/f2fs/namei.c
> @@ -50,7 +50,8 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
>  
>  	inode->i_ino = ino;
>  	inode->i_blocks = 0;
> -	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
> +	inode->i_mtime = inode->i_atime = inode->i_ctime =
> +			F2FS_I(inode)->i_crtime = current_time(inode);
>  	inode->i_generation = sbi->s_next_generation++;
>  
>  	err = insert_inode_locked(inode);
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 41887e6ec1b3..d978c7b6ea04 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -113,6 +113,9 @@ static ssize_t features_show(struct f2fs_attr *a,
>  	if (f2fs_sb_has_quota_ino(sb))
>  		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
>  				len ? ", " : "", "quota_ino");
> +	if (f2fs_sb_has_inode_crtime(sb))
> +		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
> +				len ? ", " : "", "inode_crtime");
>  	len += snprintf(buf + len, PAGE_SIZE - len, "\n");
>  	return len;
>  }
> @@ -232,6 +235,7 @@ enum feat_id {
>  	FEAT_INODE_CHECKSUM,
>  	FEAT_FLEXIBLE_INLINE_XATTR,
>  	FEAT_QUOTA_INO,
> +	FEAT_INODE_CRTIME,
>  };
>  
>  static ssize_t f2fs_feature_show(struct f2fs_attr *a,
> @@ -246,6 +250,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>  	case FEAT_INODE_CHECKSUM:
>  	case FEAT_FLEXIBLE_INLINE_XATTR:
>  	case FEAT_QUOTA_INO:
> +	case FEAT_INODE_CRTIME:
>  		return snprintf(buf, PAGE_SIZE, "supported\n");
>  	}
>  	return 0;
> @@ -323,6 +328,7 @@ F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
>  F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
>  F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
>  F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
> +F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
>  
>  #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
>  static struct attribute *f2fs_attrs[] = {
> @@ -376,6 +382,7 @@ static struct attribute *f2fs_feat_attrs[] = {
>  	ATTR_LIST(inode_checksum),
>  	ATTR_LIST(flexible_inline_xattr),
>  	ATTR_LIST(quota_ino),
> +	ATTR_LIST(inode_crtime),
>  	NULL,
>  };
>  
> diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
> index 6eed677b6d9a..73af22dc300a 100644
> --- a/include/linux/f2fs_fs.h
> +++ b/include/linux/f2fs_fs.h
> @@ -253,6 +253,8 @@ 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 */
>  		};
>  		__le32 i_addr[DEF_ADDRS_PER_INODE];	/* Pointers to data blocks */
> -- 
> 2.14.1.145.gb3622a4ee

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] f2fs: support inode creation time
  2018-01-24  5:38 ` Jaegeuk Kim
@ 2018-01-24 14:59   ` Chao Yu
  2018-01-25  6:52     ` Chao Yu
  0 siblings, 1 reply; 4+ messages in thread
From: Chao Yu @ 2018-01-24 14:59 UTC (permalink / raw)
  To: Jaegeuk Kim; +Cc: linux-f2fs-devel, linux-kernel, Chao Yu

Hi Jaegeuk,

On 2018/1/24 13:38, Jaegeuk Kim wrote:
> On 01/22, Chao Yu wrote:
>> From: Chao Yu <yuchao0@huawei.com>
>>
>> This patch adds creation time field in inode layout to support showing
>> kstat.btime in ->statx.
> 
> Hi Chao,
> 
> Could you please check this patch again? I reverted this due to kernel panic.

I can't reproduce it, could you show me your call stack?

And, could you please have a try with kernel patch only?

Thanks,

> 
> Thanks,
> 
>>
>> Signed-off-by: Chao Yu <yuchao0@huawei.com>
>> ---
>> v2:
>> - add missing sysfs entry.
>>  fs/f2fs/f2fs.h          |  7 +++++++
>>  fs/f2fs/file.c          |  9 +++++++++
>>  fs/f2fs/inode.c         | 16 ++++++++++++++++
>>  fs/f2fs/namei.c         |  3 ++-
>>  fs/f2fs/sysfs.c         |  7 +++++++
>>  include/linux/f2fs_fs.h |  2 ++
>>  6 files changed, 43 insertions(+), 1 deletion(-)
>>
>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>> index b7ba496af28f..6300ac5bcbe4 100644
>> --- a/fs/f2fs/f2fs.h
>> +++ b/fs/f2fs/f2fs.h
>> @@ -124,6 +124,7 @@ struct f2fs_mount_info {
>>  #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 F2FS_HAS_FEATURE(sb, mask)					\
>>  	((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
>> @@ -635,6 +636,7 @@ struct f2fs_inode_info {
>>  	int i_extra_isize;		/* size of extra space located in i_addr */
>>  	kprojid_t i_projid;		/* id for project quota */
>>  	int i_inline_xattr_size;	/* inline xattr size */
>> +	struct timespec i_crtime;	/* inode creation time */
>>  };
>>  
>>  static inline void get_extent_info(struct extent_info *ext,
>> @@ -3205,6 +3207,11 @@ static inline int f2fs_sb_has_quota_ino(struct super_block *sb)
>>  	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO);
>>  }
>>  
>> +static inline int f2fs_sb_has_inode_crtime(struct super_block *sb)
>> +{
>> +	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CRTIME);
>> +}
>> +
>>  #ifdef CONFIG_BLK_DEV_ZONED
>>  static inline int get_blkz_type(struct f2fs_sb_info *sbi,
>>  			struct block_device *bdev, block_t blkaddr)
>> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
>> index b9b1efe61d29..0873ba12ebc6 100644
>> --- a/fs/f2fs/file.c
>> +++ b/fs/f2fs/file.c
>> @@ -672,8 +672,17 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
>>  {
>>  	struct inode *inode = d_inode(path->dentry);
>>  	struct f2fs_inode_info *fi = F2FS_I(inode);
>> +	struct f2fs_inode *ri;
>>  	unsigned int flags;
>>  
>> +	if (f2fs_has_extra_attr(inode) &&
>> +			f2fs_sb_has_inode_crtime(inode->i_sb) &&
>> +			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
>> +		stat->result_mask |= STATX_BTIME;
>> +		stat->btime.tv_sec = fi->i_crtime.tv_sec;
>> +		stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
>> +	}
>> +
>>  	flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
>>  	if (flags & FS_APPEND_FL)
>>  		stat->attributes |= STATX_ATTR_APPEND;
>> diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
>> index 1dc77a40d0ad..99ee72bff628 100644
>> --- a/fs/f2fs/inode.c
>> +++ b/fs/f2fs/inode.c
>> @@ -278,6 +278,13 @@ static int do_read_inode(struct inode *inode)
>>  		i_projid = F2FS_DEF_PROJID;
>>  	fi->i_projid = make_kprojid(&init_user_ns, i_projid);
>>  
>> +	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
>> +			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
>> +		fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
>> +		fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
>> +	}
>> +
>> +
>>  	f2fs_put_page(node_page, 1);
>>  
>>  	stat_inc_inline_xattr(inode);
>> @@ -421,6 +428,15 @@ void update_inode(struct inode *inode, struct page *node_page)
>>  						F2FS_I(inode)->i_projid);
>>  			ri->i_projid = cpu_to_le32(i_projid);
>>  		}
>> +
>> +		if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
>> +			F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
>> +								i_crtime)) {
>> +			ri->i_crtime =
>> +				cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
>> +			ri->i_crtime_nsec =
>> +				cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
>> +		}
>>  	}
>>  
>>  	__set_inode_rdev(inode, ri);
>> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
>> index 3ee97ba9d2d7..c4c94c7e9f4f 100644
>> --- a/fs/f2fs/namei.c
>> +++ b/fs/f2fs/namei.c
>> @@ -50,7 +50,8 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
>>  
>>  	inode->i_ino = ino;
>>  	inode->i_blocks = 0;
>> -	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
>> +	inode->i_mtime = inode->i_atime = inode->i_ctime =
>> +			F2FS_I(inode)->i_crtime = current_time(inode);
>>  	inode->i_generation = sbi->s_next_generation++;
>>  
>>  	err = insert_inode_locked(inode);
>> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
>> index 41887e6ec1b3..d978c7b6ea04 100644
>> --- a/fs/f2fs/sysfs.c
>> +++ b/fs/f2fs/sysfs.c
>> @@ -113,6 +113,9 @@ static ssize_t features_show(struct f2fs_attr *a,
>>  	if (f2fs_sb_has_quota_ino(sb))
>>  		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
>>  				len ? ", " : "", "quota_ino");
>> +	if (f2fs_sb_has_inode_crtime(sb))
>> +		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
>> +				len ? ", " : "", "inode_crtime");
>>  	len += snprintf(buf + len, PAGE_SIZE - len, "\n");
>>  	return len;
>>  }
>> @@ -232,6 +235,7 @@ enum feat_id {
>>  	FEAT_INODE_CHECKSUM,
>>  	FEAT_FLEXIBLE_INLINE_XATTR,
>>  	FEAT_QUOTA_INO,
>> +	FEAT_INODE_CRTIME,
>>  };
>>  
>>  static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>> @@ -246,6 +250,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>>  	case FEAT_INODE_CHECKSUM:
>>  	case FEAT_FLEXIBLE_INLINE_XATTR:
>>  	case FEAT_QUOTA_INO:
>> +	case FEAT_INODE_CRTIME:
>>  		return snprintf(buf, PAGE_SIZE, "supported\n");
>>  	}
>>  	return 0;
>> @@ -323,6 +328,7 @@ F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
>>  F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
>>  F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
>>  F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
>> +F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
>>  
>>  #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
>>  static struct attribute *f2fs_attrs[] = {
>> @@ -376,6 +382,7 @@ static struct attribute *f2fs_feat_attrs[] = {
>>  	ATTR_LIST(inode_checksum),
>>  	ATTR_LIST(flexible_inline_xattr),
>>  	ATTR_LIST(quota_ino),
>> +	ATTR_LIST(inode_crtime),
>>  	NULL,
>>  };
>>  
>> diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
>> index 6eed677b6d9a..73af22dc300a 100644
>> --- a/include/linux/f2fs_fs.h
>> +++ b/include/linux/f2fs_fs.h
>> @@ -253,6 +253,8 @@ 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 */
>>  		};
>>  		__le32 i_addr[DEF_ADDRS_PER_INODE];	/* Pointers to data blocks */
>> -- 
>> 2.14.1.145.gb3622a4ee

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] f2fs: support inode creation time
  2018-01-24 14:59   ` Chao Yu
@ 2018-01-25  6:52     ` Chao Yu
  0 siblings, 0 replies; 4+ messages in thread
From: Chao Yu @ 2018-01-25  6:52 UTC (permalink / raw)
  To: Chao Yu, Jaegeuk Kim; +Cc: linux-f2fs-devel, linux-kernel

On 2018/1/24 22:59, Chao Yu wrote:
> Hi Jaegeuk,
> 
> On 2018/1/24 13:38, Jaegeuk Kim wrote:
>> On 01/22, Chao Yu wrote:
>>> From: Chao Yu <yuchao0@huawei.com>
>>>
>>> This patch adds creation time field in inode layout to support showing
>>> kstat.btime in ->statx.
>>
>> Hi Chao,
>>
>> Could you please check this patch again? I reverted this due to kernel panic.
> 
> I can't reproduce it, could you show me your call stack?
> 
> And, could you please have a try with kernel patch only?

Sigh, it's address alignment issue, which will make sizeof(f2fs_node)
exceeding 4096... let me resend the patch.

Thanks,

> 
> Thanks,
> 
>>
>> Thanks,
>>
>>>
>>> Signed-off-by: Chao Yu <yuchao0@huawei.com>
>>> ---
>>> v2:
>>> - add missing sysfs entry.
>>>  fs/f2fs/f2fs.h          |  7 +++++++
>>>  fs/f2fs/file.c          |  9 +++++++++
>>>  fs/f2fs/inode.c         | 16 ++++++++++++++++
>>>  fs/f2fs/namei.c         |  3 ++-
>>>  fs/f2fs/sysfs.c         |  7 +++++++
>>>  include/linux/f2fs_fs.h |  2 ++
>>>  6 files changed, 43 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>>> index b7ba496af28f..6300ac5bcbe4 100644
>>> --- a/fs/f2fs/f2fs.h
>>> +++ b/fs/f2fs/f2fs.h
>>> @@ -124,6 +124,7 @@ struct f2fs_mount_info {
>>>  #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 F2FS_HAS_FEATURE(sb, mask)					\
>>>  	((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
>>> @@ -635,6 +636,7 @@ struct f2fs_inode_info {
>>>  	int i_extra_isize;		/* size of extra space located in i_addr */
>>>  	kprojid_t i_projid;		/* id for project quota */
>>>  	int i_inline_xattr_size;	/* inline xattr size */
>>> +	struct timespec i_crtime;	/* inode creation time */
>>>  };
>>>  
>>>  static inline void get_extent_info(struct extent_info *ext,
>>> @@ -3205,6 +3207,11 @@ static inline int f2fs_sb_has_quota_ino(struct super_block *sb)
>>>  	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO);
>>>  }
>>>  
>>> +static inline int f2fs_sb_has_inode_crtime(struct super_block *sb)
>>> +{
>>> +	return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_INODE_CRTIME);
>>> +}
>>> +
>>>  #ifdef CONFIG_BLK_DEV_ZONED
>>>  static inline int get_blkz_type(struct f2fs_sb_info *sbi,
>>>  			struct block_device *bdev, block_t blkaddr)
>>> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
>>> index b9b1efe61d29..0873ba12ebc6 100644
>>> --- a/fs/f2fs/file.c
>>> +++ b/fs/f2fs/file.c
>>> @@ -672,8 +672,17 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
>>>  {
>>>  	struct inode *inode = d_inode(path->dentry);
>>>  	struct f2fs_inode_info *fi = F2FS_I(inode);
>>> +	struct f2fs_inode *ri;
>>>  	unsigned int flags;
>>>  
>>> +	if (f2fs_has_extra_attr(inode) &&
>>> +			f2fs_sb_has_inode_crtime(inode->i_sb) &&
>>> +			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
>>> +		stat->result_mask |= STATX_BTIME;
>>> +		stat->btime.tv_sec = fi->i_crtime.tv_sec;
>>> +		stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
>>> +	}
>>> +
>>>  	flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
>>>  	if (flags & FS_APPEND_FL)
>>>  		stat->attributes |= STATX_ATTR_APPEND;
>>> diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
>>> index 1dc77a40d0ad..99ee72bff628 100644
>>> --- a/fs/f2fs/inode.c
>>> +++ b/fs/f2fs/inode.c
>>> @@ -278,6 +278,13 @@ static int do_read_inode(struct inode *inode)
>>>  		i_projid = F2FS_DEF_PROJID;
>>>  	fi->i_projid = make_kprojid(&init_user_ns, i_projid);
>>>  
>>> +	if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
>>> +			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
>>> +		fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
>>> +		fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
>>> +	}
>>> +
>>> +
>>>  	f2fs_put_page(node_page, 1);
>>>  
>>>  	stat_inc_inline_xattr(inode);
>>> @@ -421,6 +428,15 @@ void update_inode(struct inode *inode, struct page *node_page)
>>>  						F2FS_I(inode)->i_projid);
>>>  			ri->i_projid = cpu_to_le32(i_projid);
>>>  		}
>>> +
>>> +		if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
>>> +			F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
>>> +								i_crtime)) {
>>> +			ri->i_crtime =
>>> +				cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
>>> +			ri->i_crtime_nsec =
>>> +				cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
>>> +		}
>>>  	}
>>>  
>>>  	__set_inode_rdev(inode, ri);
>>> diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
>>> index 3ee97ba9d2d7..c4c94c7e9f4f 100644
>>> --- a/fs/f2fs/namei.c
>>> +++ b/fs/f2fs/namei.c
>>> @@ -50,7 +50,8 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
>>>  
>>>  	inode->i_ino = ino;
>>>  	inode->i_blocks = 0;
>>> -	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
>>> +	inode->i_mtime = inode->i_atime = inode->i_ctime =
>>> +			F2FS_I(inode)->i_crtime = current_time(inode);
>>>  	inode->i_generation = sbi->s_next_generation++;
>>>  
>>>  	err = insert_inode_locked(inode);
>>> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
>>> index 41887e6ec1b3..d978c7b6ea04 100644
>>> --- a/fs/f2fs/sysfs.c
>>> +++ b/fs/f2fs/sysfs.c
>>> @@ -113,6 +113,9 @@ static ssize_t features_show(struct f2fs_attr *a,
>>>  	if (f2fs_sb_has_quota_ino(sb))
>>>  		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
>>>  				len ? ", " : "", "quota_ino");
>>> +	if (f2fs_sb_has_inode_crtime(sb))
>>> +		len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
>>> +				len ? ", " : "", "inode_crtime");
>>>  	len += snprintf(buf + len, PAGE_SIZE - len, "\n");
>>>  	return len;
>>>  }
>>> @@ -232,6 +235,7 @@ enum feat_id {
>>>  	FEAT_INODE_CHECKSUM,
>>>  	FEAT_FLEXIBLE_INLINE_XATTR,
>>>  	FEAT_QUOTA_INO,
>>> +	FEAT_INODE_CRTIME,
>>>  };
>>>  
>>>  static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>>> @@ -246,6 +250,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>>>  	case FEAT_INODE_CHECKSUM:
>>>  	case FEAT_FLEXIBLE_INLINE_XATTR:
>>>  	case FEAT_QUOTA_INO:
>>> +	case FEAT_INODE_CRTIME:
>>>  		return snprintf(buf, PAGE_SIZE, "supported\n");
>>>  	}
>>>  	return 0;
>>> @@ -323,6 +328,7 @@ F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
>>>  F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
>>>  F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
>>>  F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
>>> +F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
>>>  
>>>  #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
>>>  static struct attribute *f2fs_attrs[] = {
>>> @@ -376,6 +382,7 @@ static struct attribute *f2fs_feat_attrs[] = {
>>>  	ATTR_LIST(inode_checksum),
>>>  	ATTR_LIST(flexible_inline_xattr),
>>>  	ATTR_LIST(quota_ino),
>>> +	ATTR_LIST(inode_crtime),
>>>  	NULL,
>>>  };
>>>  
>>> diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
>>> index 6eed677b6d9a..73af22dc300a 100644
>>> --- a/include/linux/f2fs_fs.h
>>> +++ b/include/linux/f2fs_fs.h
>>> @@ -253,6 +253,8 @@ 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 */
>>>  		};
>>>  		__le32 i_addr[DEF_ADDRS_PER_INODE];	/* Pointers to data blocks */
>>> -- 
>>> 2.14.1.145.gb3622a4ee
> 
> .
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2018-01-25  6:52 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2018-01-22 15:26 [PATCH v2] f2fs: support inode creation time Chao Yu
2018-01-24  5:38 ` Jaegeuk Kim
2018-01-24 14:59   ` Chao Yu
2018-01-25  6:52     ` Chao Yu

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