mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 02:26:56 +07:00
f2fs: support quota sys files
This patch supports hidden quota files in the system, which will be used for Android. It requires up-to-date f2fs-tools later than v1.9.0. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
parent
234a968961
commit
ea6767337f
@ -615,6 +615,9 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi)
|
||||
block_t start_blk, orphan_blocks, i, j;
|
||||
unsigned int s_flags = sbi->sb->s_flags;
|
||||
int err = 0;
|
||||
#ifdef CONFIG_QUOTA
|
||||
int quota_enabled;
|
||||
#endif
|
||||
|
||||
if (!is_set_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG))
|
||||
return 0;
|
||||
@ -627,8 +630,9 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi)
|
||||
#ifdef CONFIG_QUOTA
|
||||
/* Needed for iput() to work correctly and not trash data */
|
||||
sbi->sb->s_flags |= MS_ACTIVE;
|
||||
|
||||
/* Turn on quotas so that they are updated correctly */
|
||||
f2fs_enable_quota_files(sbi);
|
||||
quota_enabled = f2fs_enable_quota_files(sbi, s_flags & MS_RDONLY);
|
||||
#endif
|
||||
|
||||
start_blk = __start_cp_addr(sbi) + 1 + __cp_payload(sbi);
|
||||
@ -656,7 +660,8 @@ int recover_orphan_inodes(struct f2fs_sb_info *sbi)
|
||||
out:
|
||||
#ifdef CONFIG_QUOTA
|
||||
/* Turn quotas off */
|
||||
f2fs_quota_off_umount(sbi->sb);
|
||||
if (quota_enabled)
|
||||
f2fs_quota_off_umount(sbi->sb);
|
||||
#endif
|
||||
sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */
|
||||
|
||||
|
||||
@ -1384,6 +1384,13 @@ static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
|
||||
return le64_to_cpu(cp->checkpoint_ver);
|
||||
}
|
||||
|
||||
static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
|
||||
{
|
||||
if (type < F2FS_MAX_QUOTAS)
|
||||
return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
|
||||
{
|
||||
size_t crc_offset = le32_to_cpu(cp->checksum_offset);
|
||||
@ -2526,7 +2533,7 @@ static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
|
||||
*/
|
||||
int f2fs_inode_dirtied(struct inode *inode, bool sync);
|
||||
void f2fs_inode_synced(struct inode *inode);
|
||||
void f2fs_enable_quota_files(struct f2fs_sb_info *sbi);
|
||||
int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
|
||||
void f2fs_quota_off_umount(struct super_block *sb);
|
||||
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
|
||||
int f2fs_sync_fs(struct super_block *sb, int sync);
|
||||
|
||||
@ -594,6 +594,9 @@ int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
|
||||
int ret = 0;
|
||||
unsigned long s_flags = sbi->sb->s_flags;
|
||||
bool need_writecp = false;
|
||||
#ifdef CONFIG_QUOTA
|
||||
int quota_enabled;
|
||||
#endif
|
||||
|
||||
if (s_flags & MS_RDONLY) {
|
||||
f2fs_msg(sbi->sb, KERN_INFO, "orphan cleanup on readonly fs");
|
||||
@ -604,7 +607,7 @@ int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
|
||||
/* Needed for iput() to work correctly and not trash data */
|
||||
sbi->sb->s_flags |= MS_ACTIVE;
|
||||
/* Turn on quotas so that they are updated correctly */
|
||||
f2fs_enable_quota_files(sbi);
|
||||
quota_enabled = f2fs_enable_quota_files(sbi, s_flags & MS_RDONLY);
|
||||
#endif
|
||||
|
||||
fsync_entry_slab = f2fs_kmem_cache_create("f2fs_fsync_inode_entry",
|
||||
@ -665,7 +668,8 @@ int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
|
||||
out:
|
||||
#ifdef CONFIG_QUOTA
|
||||
/* Turn quotas off */
|
||||
f2fs_quota_off_umount(sbi->sb);
|
||||
if (quota_enabled)
|
||||
f2fs_quota_off_umount(sbi->sb);
|
||||
#endif
|
||||
sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */
|
||||
|
||||
|
||||
149
fs/f2fs/super.c
149
fs/f2fs/super.c
@ -213,6 +213,12 @@ static int f2fs_set_qf_name(struct super_block *sb, int qtype,
|
||||
"quota options when quota turned on");
|
||||
return -EINVAL;
|
||||
}
|
||||
if (f2fs_sb_has_quota_ino(sb)) {
|
||||
f2fs_msg(sb, KERN_INFO,
|
||||
"QUOTA feature is enabled, so ignore qf_name");
|
||||
return 0;
|
||||
}
|
||||
|
||||
qname = match_strdup(args);
|
||||
if (!qname) {
|
||||
f2fs_msg(sb, KERN_ERR,
|
||||
@ -291,6 +297,18 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if (f2fs_sb_has_quota_ino(sbi->sb) && sbi->s_jquota_fmt) {
|
||||
f2fs_msg(sbi->sb, KERN_INFO,
|
||||
"QUOTA feature is enabled, so ignore jquota_fmt");
|
||||
sbi->s_jquota_fmt = 0;
|
||||
}
|
||||
if (f2fs_sb_has_quota_ino(sbi->sb) && sb_rdonly(sbi->sb)) {
|
||||
f2fs_msg(sbi->sb, KERN_INFO,
|
||||
"Filesystem with quota feature cannot be mounted RDWR "
|
||||
"without CONFIG_QUOTA");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
@ -1172,6 +1190,9 @@ static void default_options(struct f2fs_sb_info *sbi)
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef CONFIG_QUOTA
|
||||
static int f2fs_enable_quotas(struct super_block *sb);
|
||||
#endif
|
||||
static int f2fs_remount(struct super_block *sb, int *flags, char *data)
|
||||
{
|
||||
struct f2fs_sb_info *sbi = F2FS_SB(sb);
|
||||
@ -1238,6 +1259,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
|
||||
if (f2fs_readonly(sb) && (*flags & MS_RDONLY))
|
||||
goto skip;
|
||||
|
||||
#ifdef CONFIG_QUOTA
|
||||
if (!f2fs_readonly(sb) && (*flags & MS_RDONLY)) {
|
||||
err = dquot_suspend(sb, -1);
|
||||
if (err < 0)
|
||||
@ -1245,9 +1267,15 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
|
||||
} else {
|
||||
/* dquot_resume needs RW */
|
||||
sb->s_flags &= ~MS_RDONLY;
|
||||
dquot_resume(sb, -1);
|
||||
if (sb_any_quota_suspended(sb)) {
|
||||
dquot_resume(sb, -1);
|
||||
} else if (f2fs_sb_has_quota_ino(sb)) {
|
||||
err = f2fs_enable_quotas(sb);
|
||||
if (err)
|
||||
goto restore_opts;
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
/* disallow enable/disable extent_cache dynamically */
|
||||
if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) {
|
||||
err = -EINVAL;
|
||||
@ -1454,19 +1482,91 @@ static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type)
|
||||
sbi->s_jquota_fmt, type);
|
||||
}
|
||||
|
||||
void f2fs_enable_quota_files(struct f2fs_sb_info *sbi)
|
||||
int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly)
|
||||
{
|
||||
int i, ret;
|
||||
int enabled = 0;
|
||||
int i, err;
|
||||
|
||||
if (f2fs_sb_has_quota_ino(sbi->sb) && rdonly) {
|
||||
err = f2fs_enable_quotas(sbi->sb);
|
||||
if (err) {
|
||||
f2fs_msg(sbi->sb, KERN_ERR,
|
||||
"Cannot turn on quota_ino: %d", err);
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (i = 0; i < MAXQUOTAS; i++) {
|
||||
if (sbi->s_qf_names[i]) {
|
||||
ret = f2fs_quota_on_mount(sbi, i);
|
||||
if (ret < 0)
|
||||
f2fs_msg(sbi->sb, KERN_ERR,
|
||||
"Cannot turn on journaled "
|
||||
"quota: error %d", ret);
|
||||
err = f2fs_quota_on_mount(sbi, i);
|
||||
if (!err) {
|
||||
enabled = 1;
|
||||
continue;
|
||||
}
|
||||
f2fs_msg(sbi->sb, KERN_ERR,
|
||||
"Cannot turn on quotas: %d on %d", err, i);
|
||||
}
|
||||
}
|
||||
return enabled;
|
||||
}
|
||||
|
||||
static int f2fs_quota_enable(struct super_block *sb, int type, int format_id,
|
||||
unsigned int flags)
|
||||
{
|
||||
struct inode *qf_inode;
|
||||
unsigned long qf_inum;
|
||||
int err;
|
||||
|
||||
BUG_ON(!f2fs_sb_has_quota_ino(sb));
|
||||
|
||||
qf_inum = f2fs_qf_ino(sb, type);
|
||||
if (!qf_inum)
|
||||
return -EPERM;
|
||||
|
||||
qf_inode = f2fs_iget(sb, qf_inum);
|
||||
if (IS_ERR(qf_inode)) {
|
||||
f2fs_msg(sb, KERN_ERR,
|
||||
"Bad quota inode %u:%lu", type, qf_inum);
|
||||
return PTR_ERR(qf_inode);
|
||||
}
|
||||
|
||||
/* Don't account quota for quota files to avoid recursion */
|
||||
qf_inode->i_flags |= S_NOQUOTA;
|
||||
err = dquot_enable(qf_inode, type, format_id, flags);
|
||||
iput(qf_inode);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int f2fs_enable_quotas(struct super_block *sb)
|
||||
{
|
||||
int type, err = 0;
|
||||
unsigned long qf_inum;
|
||||
bool quota_mopt[MAXQUOTAS] = {
|
||||
test_opt(F2FS_SB(sb), USRQUOTA),
|
||||
test_opt(F2FS_SB(sb), GRPQUOTA),
|
||||
test_opt(F2FS_SB(sb), PRJQUOTA),
|
||||
};
|
||||
|
||||
sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NOLIST_DIRTY;
|
||||
for (type = 0; type < MAXQUOTAS; type++) {
|
||||
qf_inum = f2fs_qf_ino(sb, type);
|
||||
if (qf_inum) {
|
||||
err = f2fs_quota_enable(sb, type, QFMT_VFS_V1,
|
||||
DQUOT_USAGE_ENABLED |
|
||||
(quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0));
|
||||
if (err) {
|
||||
f2fs_msg(sb, KERN_ERR,
|
||||
"Failed to enable quota tracking "
|
||||
"(type=%d, err=%d). Please run "
|
||||
"fsck to fix.", type, err);
|
||||
for (type--; type >= 0; type--)
|
||||
dquot_quota_off(sb, type);
|
||||
return err;
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int f2fs_quota_sync(struct super_block *sb, int type)
|
||||
@ -1537,7 +1637,7 @@ static int f2fs_quota_off(struct super_block *sb, int type)
|
||||
f2fs_quota_sync(sb, type);
|
||||
|
||||
err = dquot_quota_off(sb, type);
|
||||
if (err)
|
||||
if (err || f2fs_sb_has_quota_ino(sb))
|
||||
goto out_put;
|
||||
|
||||
inode_lock(inode);
|
||||
@ -2364,7 +2464,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
||||
|
||||
#ifdef CONFIG_QUOTA
|
||||
sb->dq_op = &f2fs_quota_operations;
|
||||
sb->s_qcop = &f2fs_quotactl_ops;
|
||||
if (f2fs_sb_has_quota_ino(sb))
|
||||
sb->s_qcop = &dquot_quotactl_sysfile_ops;
|
||||
else
|
||||
sb->s_qcop = &f2fs_quotactl_ops;
|
||||
sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ;
|
||||
#endif
|
||||
|
||||
@ -2535,10 +2638,24 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
||||
if (err)
|
||||
goto free_root_inode;
|
||||
|
||||
#ifdef CONFIG_QUOTA
|
||||
/*
|
||||
* Turn on quotas which were not enabled for read-only mounts if
|
||||
* filesystem has quota feature, so that they are updated correctly.
|
||||
*/
|
||||
if (f2fs_sb_has_quota_ino(sb) && !sb_rdonly(sb)) {
|
||||
err = f2fs_enable_quotas(sb);
|
||||
if (err) {
|
||||
f2fs_msg(sb, KERN_ERR,
|
||||
"Cannot turn on quotas: error %d", err);
|
||||
goto free_sysfs;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
/* if there are nt orphan nodes free them */
|
||||
err = recover_orphan_inodes(sbi);
|
||||
if (err)
|
||||
goto free_sysfs;
|
||||
goto free_meta;
|
||||
|
||||
/* recover fsynced data */
|
||||
if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
|
||||
@ -2572,7 +2689,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
||||
err = -EINVAL;
|
||||
f2fs_msg(sb, KERN_ERR,
|
||||
"Need to recover fsync data");
|
||||
goto free_sysfs;
|
||||
goto free_meta;
|
||||
}
|
||||
}
|
||||
skip_recovery:
|
||||
@ -2606,6 +2723,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
||||
return 0;
|
||||
|
||||
free_meta:
|
||||
#ifdef CONFIG_QUOTA
|
||||
if (f2fs_sb_has_quota_ino(sb) && !sb_rdonly(sb))
|
||||
f2fs_quota_off_umount(sbi->sb);
|
||||
#endif
|
||||
f2fs_sync_inode_meta(sbi);
|
||||
/*
|
||||
* Some dirty meta pages can be produced by recover_orphan_inodes()
|
||||
@ -2614,7 +2735,9 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
|
||||
* falls into an infinite loop in sync_meta_pages().
|
||||
*/
|
||||
truncate_inode_pages_final(META_MAPPING(sbi));
|
||||
#ifdef CONFIG_QUOTA
|
||||
free_sysfs:
|
||||
#endif
|
||||
f2fs_unregister_sysfs(sbi);
|
||||
free_root_inode:
|
||||
dput(sb->s_root);
|
||||
|
||||
@ -36,7 +36,6 @@
|
||||
#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 */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user