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f2fs: add quota_ino feature infra 

This patch adds quota_ino feature infra to be used for quota files.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Jaegeuk Kim 2017-10-05 21:03:06 -07:00
parent 37a0ab2a3b
commit 234a968961
3 changed files with 18 additions and 1 deletions
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6
fs/f2fs/f2fs.h
View File

@ -122,6 +122,7 @@ struct f2fs_mount_info {
#define F2FS_FEATURE_PRJQUOTA 0x0010
#define F2FS_FEATURE_INODE_CHKSUM 0x0020
#define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
#define F2FS_FEATURE_QUOTA_INO 0x0080
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
@ -3070,6 +3071,11 @@ static inline int f2fs_sb_has_flexible_inline_xattr(struct super_block *sb)
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_FLEXIBLE_INLINE_XATTR);
}
static inline int f2fs_sb_has_quota_ino(struct super_block *sb)
{
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_QUOTA_INO);
}
#ifdef CONFIG_BLK_DEV_ZONED
static inline int get_blkz_type(struct f2fs_sb_info *sbi,
struct block_device *bdev, block_t blkaddr)

7
fs/f2fs/sysfs.c
View File

@ -110,6 +110,9 @@ static ssize_t features_show(struct f2fs_attr *a,
if (f2fs_sb_has_flexible_inline_xattr(sb))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "flexible_inline_xattr");
if (f2fs_sb_has_quota_ino(sb))
len += snprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "quota_ino");
len += snprintf(buf + len, PAGE_SIZE - len, "\n");
return len;
}
@ -227,6 +230,7 @@ enum feat_id {
FEAT_PROJECT_QUOTA,
FEAT_INODE_CHECKSUM,
FEAT_FLEXIBLE_INLINE_XATTR,
FEAT_QUOTA_INO,
};
static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@ -240,6 +244,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
case FEAT_PROJECT_QUOTA:
case FEAT_INODE_CHECKSUM:
case FEAT_FLEXIBLE_INLINE_XATTR:
case FEAT_QUOTA_INO:
return snprintf(buf, PAGE_SIZE, "supported\n");
}
return 0;
@ -314,6 +319,7 @@ F2FS_FEATURE_RO_ATTR(extra_attr, FEAT_EXTRA_ATTR);
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);
#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = {
@ -364,6 +370,7 @@ static struct attribute *f2fs_feat_attrs[] = {
ATTR_LIST(project_quota),
ATTR_LIST(inode_checksum),
ATTR_LIST(flexible_inline_xattr),
ATTR_LIST(quota_ino),
NULL,
};

6
include/linux/f2fs_fs.h
View File

@ -36,6 +36,9 @@
#define F2FS_NODE_INO(sbi) ((sbi)->node_ino_num)
#define F2FS_META_INO(sbi) ((sbi)->meta_ino_num)
#define F2FS_QUOTA_INO 3
#define F2FS_MAX_QUOTAS 3
#define F2FS_IO_SIZE(sbi) (1 << (sbi)->write_io_size_bits) /* Blocks */
#define F2FS_IO_SIZE_KB(sbi) (1 << ((sbi)->write_io_size_bits + 2)) /* KB */
#define F2FS_IO_SIZE_BYTES(sbi) (1 << ((sbi)->write_io_size_bits + 12)) /* B */
@ -108,7 +111,8 @@ struct f2fs_super_block {
__u8 encryption_level; /* versioning level for encryption */
__u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
struct f2fs_device devs[MAX_DEVICES]; /* device list */
__u8 reserved[327]; /* valid reserved region */
__le32 qf_ino[F2FS_MAX_QUOTAS]; /* quota inode numbers */
__u8 reserved[315]; /* valid reserved region */
} __packed;
/*