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f2fs: support project quota 

This patch adds to support plain project quota.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2017-07-26 00:01:41 +08:00 committed by Jaegeuk Kim
parent a6d3a479ae
commit 5c57132eaf
8 changed files with 109 additions and 16 deletions
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1
Documentation/filesystems/f2fs.txt
View File

@ -164,6 +164,7 @@ io_bits=%u Set the bit size of write IO requests. It should be set
with "mode=lfs".
usrquota Enable plain user disk quota accounting.
grpquota Enable plain group disk quota accounting.
prjquota Enable plain project quota accounting.
================================================================================
DEBUGFS ENTRIES

29
fs/f2fs/f2fs.h
View File

@ -91,6 +91,7 @@ extern char *fault_name[FAULT_MAX];
#define F2FS_MOUNT_LFS 0x00040000
#define F2FS_MOUNT_USRQUOTA 0x00080000
#define F2FS_MOUNT_GRPQUOTA 0x00100000
#define F2FS_MOUNT_PRJQUOTA 0x00200000
#define clear_opt(sbi, option) ((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option)
#define set_opt(sbi, option) ((sbi)->mount_opt.opt |= F2FS_MOUNT_##option)
@ -114,6 +115,7 @@ struct f2fs_mount_info {
#define F2FS_FEATURE_BLKZONED 0x0002
#define F2FS_FEATURE_ATOMIC_WRITE 0x0004
#define F2FS_FEATURE_EXTRA_ATTR 0x0008
#define F2FS_FEATURE_PRJQUOTA 0x0010
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
@ -570,6 +572,7 @@ struct f2fs_inode_info {
struct rw_semaphore i_mmap_sem;
int i_extra_isize; /* size of extra space located in i_addr */
kprojid_t i_projid; /* id for project quota */
};
static inline void get_extent_info(struct extent_info *ext,
@ -1887,6 +1890,20 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
*addr ^= mask;
}
#define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL))
#define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL)
#define F2FS_FL_INHERITED (FS_PROJINHERIT_FL)
static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
{
if (S_ISDIR(mode))
return flags;
else if (S_ISREG(mode))
return flags & F2FS_REG_FLMASK;
else
return flags & F2FS_OTHER_FLMASK;
}
/* used for f2fs_inode_info->flags */
enum {
FI_NEW_INODE, /* indicate newly allocated inode */
@ -1916,6 +1933,7 @@ enum {
FI_NO_PREALLOC, /* indicate skipped preallocated blocks */
FI_HOT_DATA, /* indicate file is hot */
FI_EXTRA_ATTR, /* indicate file has extra attribute */
FI_PROJ_INHERIT, /* indicate file inherits projectid */
};
static inline void __mark_inode_dirty_flag(struct inode *inode,
@ -2239,6 +2257,12 @@ static inline int get_extra_isize(struct inode *inode)
(offsetof(struct f2fs_inode, i_extra_end) - \
offsetof(struct f2fs_inode, i_extra_isize)) \
#define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
#define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
((offsetof(typeof(*f2fs_inode), field) + \
sizeof((f2fs_inode)->field)) \
<= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \
/*
* file.c
*/
@ -2836,6 +2860,11 @@ static inline int f2fs_sb_has_extra_attr(struct super_block *sb)
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_EXTRA_ATTR);
}
static inline int f2fs_sb_has_project_quota(struct super_block *sb)
{
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_PRJQUOTA);
}
#ifdef CONFIG_BLK_DEV_ZONED
static inline int get_blkz_type(struct f2fs_sb_info *sbi,
struct block_device *bdev, block_t blkaddr)

13
fs/f2fs/file.c
View File

@ -1518,19 +1518,6 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
return 0;
}
#define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL))
#define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL)
static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
{
if (S_ISDIR(mode))
return flags;
else if (S_ISREG(mode))
return flags & F2FS_REG_FLMASK;
else
return flags & F2FS_OTHER_FLMASK;
}
static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);

24
fs/f2fs/inode.c
View File

@ -114,6 +114,7 @@ static int do_read_inode(struct inode *inode)
struct f2fs_inode_info *fi = F2FS_I(inode);
struct page *node_page;
struct f2fs_inode *ri;
projid_t i_projid;
/* Check if ino is within scope */
if (check_nid_range(sbi, inode->i_ino)) {
@ -173,6 +174,16 @@ static int do_read_inode(struct inode *inode)
if (!need_inode_block_update(sbi, inode->i_ino))
fi->last_disk_size = inode->i_size;
if (fi->i_flags & FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) &&
F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
i_projid = (projid_t)le32_to_cpu(ri->i_projid);
else
i_projid = F2FS_DEF_PROJID;
fi->i_projid = make_kprojid(&init_user_ns, i_projid);
f2fs_put_page(node_page, 1);
stat_inc_inline_xattr(inode);
@ -299,9 +310,20 @@ int update_inode(struct inode *inode, struct page *node_page)
ri->i_generation = cpu_to_le32(inode->i_generation);
ri->i_dir_level = F2FS_I(inode)->i_dir_level;
if (f2fs_has_extra_attr(inode))
if (f2fs_has_extra_attr(inode)) {
ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)->sb) &&
F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
i_projid)) {
projid_t i_projid;
i_projid = from_kprojid(&init_user_ns,
F2FS_I(inode)->i_projid);
ri->i_projid = cpu_to_le32(i_projid);
}
}
__set_inode_rdev(inode, ri);
set_cold_node(inode, node_page);

31
fs/f2fs/namei.c
View File

@ -58,6 +58,13 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
goto fail;
}
if (f2fs_sb_has_project_quota(sbi->sb) &&
(F2FS_I(dir)->i_flags & FS_PROJINHERIT_FL))
F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid;
else
F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns,
F2FS_DEF_PROJID);
err = dquot_initialize(inode);
if (err)
goto fail_drop;
@ -90,6 +97,12 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
stat_inc_inline_inode(inode);
stat_inc_inline_dir(inode);
F2FS_I(inode)->i_flags =
f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
if (F2FS_I(inode)->i_flags & FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
trace_f2fs_new_inode(inode, 0);
return inode;
@ -209,6 +222,11 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
!fscrypt_has_permitted_context(dir, inode))
return -EPERM;
if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(dir)->i_projid,
F2FS_I(old_dentry->d_inode)->i_projid)))
return -EXDEV;
err = dquot_initialize(dir);
if (err)
return err;
@ -733,6 +751,11 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
}
if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(new_dir)->i_projid,
F2FS_I(old_dentry->d_inode)->i_projid)))
return -EXDEV;
err = dquot_initialize(old_dir);
if (err)
goto out;
@ -921,6 +944,14 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
!fscrypt_has_permitted_context(old_dir, new_inode)))
return -EPERM;
if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(new_dir)->i_projid,
F2FS_I(old_dentry->d_inode)->i_projid)) ||
(is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(old_dir)->i_projid,
F2FS_I(new_dentry->d_inode)->i_projid)))
return -EXDEV;
err = dquot_initialize(old_dir);
if (err)
goto out;

7
fs/f2fs/node.c
View File

@ -2265,8 +2265,13 @@ retry:
dst->i_links = cpu_to_le32(1);
dst->i_xattr_nid = 0;
dst->i_inline = src->i_inline & (F2FS_INLINE_XATTR | F2FS_EXTRA_ATTR);
if (dst->i_inline & F2FS_EXTRA_ATTR)
if (dst->i_inline & F2FS_EXTRA_ATTR) {
dst->i_extra_isize = src->i_extra_isize;
if (f2fs_sb_has_project_quota(sbi->sb) &&
F2FS_FITS_IN_INODE(src, le16_to_cpu(src->i_extra_isize),
i_projid))
dst->i_projid = src->i_projid;
}
new_ni = old_ni;
new_ni.ino = ino;

17
fs/f2fs/super.c
View File

@ -109,6 +109,7 @@ enum {
Opt_nolazytime,
Opt_usrquota,
Opt_grpquota,
Opt_prjquota,
Opt_err,
};
@ -146,6 +147,7 @@ static match_table_t f2fs_tokens = {
{Opt_nolazytime, "nolazytime"},
{Opt_usrquota, "usrquota"},
{Opt_grpquota, "grpquota"},
{Opt_prjquota, "prjquota"},
{Opt_err, NULL},
};
@ -392,9 +394,13 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_grpquota:
set_opt(sbi, GRPQUOTA);
break;
case Opt_prjquota:
set_opt(sbi, PRJQUOTA);
break;
#else
case Opt_usrquota:
case Opt_grpquota:
case Opt_prjquota:
f2fs_msg(sb, KERN_INFO,
"quota operations not supported");
break;
@ -814,6 +820,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",usrquota");
if (test_opt(sbi, GRPQUOTA))
seq_puts(seq, ",grpquota");
if (test_opt(sbi, PRJQUOTA))
seq_puts(seq, ",prjquota");
#endif
return 0;
@ -1172,6 +1180,12 @@ static void f2fs_quota_off_umount(struct super_block *sb)
f2fs_quota_off(sb, type);
}
int f2fs_get_projid(struct inode *inode, kprojid_t *projid)
{
*projid = F2FS_I(inode)->i_projid;
return 0;
}
static const struct dquot_operations f2fs_quota_operations = {
.get_reserved_space = f2fs_get_reserved_space,
.write_dquot = dquot_commit,
@ -1181,6 +1195,7 @@ static const struct dquot_operations f2fs_quota_operations = {
.write_info = dquot_commit_info,
.alloc_dquot = dquot_alloc,
.destroy_dquot = dquot_destroy,
.get_projid = f2fs_get_projid,
.get_next_id = dquot_get_next_id,
};
@ -1964,7 +1979,7 @@ try_onemore:
#ifdef CONFIG_QUOTA
sb->dq_op = &f2fs_quota_operations;
sb->s_qcop = &f2fs_quotactl_ops;
sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP;
sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ;
#endif
sb->s_op = &f2fs_sops;

3
include/linux/f2fs_fs.h
View File

@ -239,6 +239,7 @@ struct f2fs_inode {
struct {
__le16 i_extra_isize; /* extra inode attribute size */
__le16 i_padding; /* padding */
__le32 i_projid; /* project id */
__le32 i_extra_end[0]; /* for attribute size calculation */
};
__le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */
@ -522,4 +523,6 @@ enum {
#define S_SHIFT 12
#define F2FS_DEF_PROJID 0 /* default project ID */
#endif /* _LINUX_F2FS_FS_H */