static void __dquot_initialize(struct inode *inode, int type);
static inline unsigned int
-hashfn(const struct super_block *sb, unsigned int id, int type)
+hashfn(const struct super_block *sb, struct kqid qid)
{
+ unsigned int id = from_kqid(&init_user_ns, qid);
+ int type = qid.type;
unsigned long tmp;
tmp = (((unsigned long)sb>>L1_CACHE_SHIFT) ^ id) * (MAXQUOTAS - type);
static inline void insert_dquot_hash(struct dquot *dquot)
{
struct hlist_head *head;
- head = dquot_hash + hashfn(dquot->dq_sb, dquot->dq_id, dquot->dq_type);
+ head = dquot_hash + hashfn(dquot->dq_sb, dquot->dq_id);
hlist_add_head(&dquot->dq_hash, head);
}
}
static struct dquot *find_dquot(unsigned int hashent, struct super_block *sb,
- unsigned int id, int type)
+ struct kqid qid)
{
struct hlist_node *node;
struct dquot *dquot;
hlist_for_each (node, dquot_hash+hashent) {
dquot = hlist_entry(node, struct dquot, dq_hash);
- if (dquot->dq_sb == sb && dquot->dq_id == id &&
- dquot->dq_type == type)
+ if (dquot->dq_sb == sb && qid_eq(dquot->dq_id, qid))
return dquot;
}
return NULL;
spin_lock(&dq_list_lock);
if (!test_and_set_bit(DQ_MOD_B, &dquot->dq_flags)) {
list_add(&dquot->dq_dirty, &sb_dqopt(dquot->dq_sb)->
- info[dquot->dq_type].dqi_dirty_list);
+ info[dquot->dq_id.type].dqi_dirty_list);
ret = 0;
}
spin_unlock(&dq_list_lock);
mutex_lock(&dquot->dq_lock);
mutex_lock(&dqopt->dqio_mutex);
if (!test_bit(DQ_READ_B, &dquot->dq_flags))
- ret = dqopt->ops[dquot->dq_type]->read_dqblk(dquot);
+ ret = dqopt->ops[dquot->dq_id.type]->read_dqblk(dquot);
if (ret < 0)
goto out_iolock;
set_bit(DQ_READ_B, &dquot->dq_flags);
/* Instantiate dquot if needed */
if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags) && !dquot->dq_off) {
- ret = dqopt->ops[dquot->dq_type]->commit_dqblk(dquot);
+ ret = dqopt->ops[dquot->dq_id.type]->commit_dqblk(dquot);
/* Write the info if needed */
- if (info_dirty(&dqopt->info[dquot->dq_type])) {
- ret2 = dqopt->ops[dquot->dq_type]->write_file_info(
- dquot->dq_sb, dquot->dq_type);
+ if (info_dirty(&dqopt->info[dquot->dq_id.type])) {
+ ret2 = dqopt->ops[dquot->dq_id.type]->write_file_info(
+ dquot->dq_sb, dquot->dq_id.type);
}
if (ret < 0)
goto out_iolock;
/* Inactive dquot can be only if there was error during read/init
* => we have better not writing it */
if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
- ret = dqopt->ops[dquot->dq_type]->commit_dqblk(dquot);
+ ret = dqopt->ops[dquot->dq_id.type]->commit_dqblk(dquot);
else
ret = -EIO;
out_sem:
if (atomic_read(&dquot->dq_count) > 1)
goto out_dqlock;
mutex_lock(&dqopt->dqio_mutex);
- if (dqopt->ops[dquot->dq_type]->release_dqblk) {
- ret = dqopt->ops[dquot->dq_type]->release_dqblk(dquot);
+ if (dqopt->ops[dquot->dq_id.type]->release_dqblk) {
+ ret = dqopt->ops[dquot->dq_id.type]->release_dqblk(dquot);
/* Write the info */
- if (info_dirty(&dqopt->info[dquot->dq_type])) {
- ret2 = dqopt->ops[dquot->dq_type]->write_file_info(
- dquot->dq_sb, dquot->dq_type);
+ if (info_dirty(&dqopt->info[dquot->dq_id.type])) {
+ ret2 = dqopt->ops[dquot->dq_id.type]->write_file_info(
+ dquot->dq_sb, dquot->dq_id.type);
}
if (ret >= 0)
ret = ret2;
list_for_each_entry_safe(dquot, tmp, &inuse_list, dq_inuse) {
if (dquot->dq_sb != sb)
continue;
- if (dquot->dq_type != type)
+ if (dquot->dq_id.type != type)
continue;
/* Wait for dquot users */
if (atomic_read(&dquot->dq_count)) {
#ifdef CONFIG_QUOTA_DEBUG
if (!atomic_read(&dquot->dq_count)) {
quota_error(dquot->dq_sb, "trying to free free dquot of %s %d",
- quotatypes[dquot->dq_type], dquot->dq_id);
+ quotatypes[dquot->dq_id.type],
+ from_kqid(&init_user_ns, dquot->dq_id));
BUG();
}
#endif
/* We have more than one user... nothing to do */
atomic_dec(&dquot->dq_count);
/* Releasing dquot during quotaoff phase? */
- if (!sb_has_quota_active(dquot->dq_sb, dquot->dq_type) &&
+ if (!sb_has_quota_active(dquot->dq_sb, dquot->dq_id.type) &&
atomic_read(&dquot->dq_count) == 1)
wake_up(&dquot->dq_wait_unused);
spin_unlock(&dq_list_lock);
INIT_LIST_HEAD(&dquot->dq_dirty);
init_waitqueue_head(&dquot->dq_wait_unused);
dquot->dq_sb = sb;
- dquot->dq_type = type;
+ dquot->dq_id = make_kqid_invalid(type);
atomic_set(&dquot->dq_count, 1);
return dquot;
*/
struct dquot *dqget(struct super_block *sb, struct kqid qid)
{
- unsigned int type = qid.type;
- unsigned int id = from_kqid(&init_user_ns, qid);
- unsigned int hashent = hashfn(sb, id, type);
+ unsigned int hashent = hashfn(sb, qid);
struct dquot *dquot = NULL, *empty = NULL;
- if (!sb_has_quota_active(sb, type))
+ if (!sb_has_quota_active(sb, qid.type))
return NULL;
we_slept:
spin_lock(&dq_list_lock);
spin_lock(&dq_state_lock);
- if (!sb_has_quota_active(sb, type)) {
+ if (!sb_has_quota_active(sb, qid.type)) {
spin_unlock(&dq_state_lock);
spin_unlock(&dq_list_lock);
goto out;
}
spin_unlock(&dq_state_lock);
- dquot = find_dquot(hashent, sb, id, type);
+ dquot = find_dquot(hashent, sb, qid);
if (!dquot) {
if (!empty) {
spin_unlock(&dq_list_lock);
- empty = get_empty_dquot(sb, type);
+ empty = get_empty_dquot(sb, qid.type);
if (!empty)
schedule(); /* Try to wait for a moment... */
goto we_slept;
}
dquot = empty;
empty = NULL;
- dquot->dq_id = id;
+ dquot->dq_id = qid;
/* all dquots go on the inuse_list */
put_inuse(dquot);
/* hash it first so it can be found */
struct dquot_warn {
struct super_block *w_sb;
- qid_t w_dq_id;
- short w_dq_type;
+ struct kqid w_dq_id;
short w_type;
};
if (!flag_print_warnings)
return 0;
- switch (warn->w_dq_type) {
+ switch (warn->w_dq_id.type) {
case USRQUOTA:
- return current_fsuid() == warn->w_dq_id;
+ return uid_eq(current_fsuid(), warn->w_dq_id.uid);
case GRPQUOTA:
- return in_group_p(warn->w_dq_id);
+ return in_group_p(warn->w_dq_id.gid);
}
return 0;
}
tty_write_message(tty, ": warning, ");
else
tty_write_message(tty, ": write failed, ");
- tty_write_message(tty, quotatypes[warn->w_dq_type]);
+ tty_write_message(tty, quotatypes[warn->w_dq_id.type]);
switch (warntype) {
case QUOTA_NL_IHARDWARN:
msg = " file limit reached.\r\n";
warn->w_type = warntype;
warn->w_sb = dquot->dq_sb;
warn->w_dq_id = dquot->dq_id;
- warn->w_dq_type = dquot->dq_type;
}
/*
#ifdef CONFIG_PRINT_QUOTA_WARNING
print_warning(&warn[i]);
#endif
- quota_send_warning(make_kqid(&init_user_ns, warn[i].w_dq_type, warn[i].w_dq_id),
+ quota_send_warning(warn[i].w_dq_id,
warn[i].w_sb->s_dev, warn[i].w_type);
}
}
static int ignore_hardlimit(struct dquot *dquot)
{
- struct mem_dqinfo *info = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_type];
+ struct mem_dqinfo *info = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_id.type];
return capable(CAP_SYS_RESOURCE) &&
(info->dqi_format->qf_fmt_id != QFMT_VFS_OLD ||
{
qsize_t newinodes = dquot->dq_dqb.dqb_curinodes + inodes;
- if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) ||
+ if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_id.type) ||
test_bit(DQ_FAKE_B, &dquot->dq_flags))
return 0;
dquot->dq_dqb.dqb_itime == 0) {
prepare_warning(warn, dquot, QUOTA_NL_ISOFTWARN);
dquot->dq_dqb.dqb_itime = get_seconds() +
- sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_igrace;
+ sb_dqopt(dquot->dq_sb)->info[dquot->dq_id.type].dqi_igrace;
}
return 0;
qsize_t tspace;
struct super_block *sb = dquot->dq_sb;
- if (!sb_has_quota_limits_enabled(sb, dquot->dq_type) ||
+ if (!sb_has_quota_limits_enabled(sb, dquot->dq_id.type) ||
test_bit(DQ_FAKE_B, &dquot->dq_flags))
return 0;
if (!prealloc) {
prepare_warning(warn, dquot, QUOTA_NL_BSOFTWARN);
dquot->dq_dqb.dqb_btime = get_seconds() +
- sb_dqopt(sb)->info[dquot->dq_type].dqi_bgrace;
+ sb_dqopt(sb)->info[dquot->dq_id.type].dqi_bgrace;
}
else
/*
if (test_bit(DQ_FAKE_B, &dquot->dq_flags) ||
dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit ||
- !sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type))
+ !sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_id.type))
return QUOTA_NL_NOWARN;
newinodes = dquot->dq_dqb.dqb_curinodes - inodes;
if (!dquot_active(inode))
return 0;
- if (iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid)
+ if (iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid))
transfer_to[USRQUOTA] = dqget(sb, make_kqid_uid(iattr->ia_uid));
- if (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)
+ if (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))
transfer_to[GRPQUOTA] = dqget(sb, make_kqid_gid(iattr->ia_gid));
ret = __dquot_transfer(inode, transfer_to);
memset(di, 0, sizeof(*di));
di->d_version = FS_DQUOT_VERSION;
- di->d_flags = dquot->dq_type == USRQUOTA ?
+ di->d_flags = dquot->dq_id.type == USRQUOTA ?
FS_USER_QUOTA : FS_GROUP_QUOTA;
- di->d_id = dquot->dq_id;
+ di->d_id = from_kqid_munged(current_user_ns(), dquot->dq_id);
spin_lock(&dq_data_lock);
di->d_blk_hardlimit = stoqb(dm->dqb_bhardlimit);
{
struct mem_dqblk *dm = &dquot->dq_dqb;
int check_blim = 0, check_ilim = 0;
- struct mem_dqinfo *dqi = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_type];
+ struct mem_dqinfo *dqi = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_id.type];
if (di->d_fieldmask & ~VFS_FS_DQ_MASK)
return -EINVAL;