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path: root/fs/quota/dquot.c
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Diffstat (limited to 'fs/quota/dquot.c')
-rw-r--r--fs/quota/dquot.c63
1 files changed, 32 insertions, 31 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 53e377a59b05..efaeed35476f 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -267,7 +267,7 @@ hashfn(const struct super_block *sb, unsigned int id, int 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, from_kqid(&init_user_ns, dquot->dq_id), dquot->dq_id.type);
hlist_add_head(&dquot->dq_hash, head);
}
@@ -279,13 +279,13 @@ static inline void remove_dquot_hash(struct dquot *dquot)
static struct dquot *find_dquot(unsigned int hashent, struct super_block *sb,
unsigned int id, int type)
{
+ struct kqid qid = make_kqid(&init_user_ns, type, id);
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;
@@ -351,7 +351,7 @@ int dquot_mark_dquot_dirty(struct dquot *dquot)
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);
@@ -410,17 +410,17 @@ int dquot_acquire(struct dquot *dquot)
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;
@@ -455,7 +455,7 @@ int dquot_commit(struct dquot *dquot)
/* 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:
@@ -477,12 +477,12 @@ int dquot_release(struct dquot *dquot)
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;
@@ -521,7 +521,7 @@ restart:
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)) {
@@ -741,7 +741,8 @@ void dqput(struct dquot *dquot)
#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
@@ -752,7 +753,7 @@ we_slept:
/* 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);
@@ -815,7 +816,7 @@ static struct dquot *get_empty_dquot(struct super_block *sb, int type)
INIT_LIST_HEAD(&dquot->dq_dirty);
init_waitqueue_head(&dquot->dq_wait_unused);
dquot->dq_sb = sb;
- dquot->dq_type = type;
+ dquot->dq_id.type = type;
atomic_set(&dquot->dq_count, 1);
return dquot;
@@ -859,7 +860,7 @@ 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 */
@@ -1219,8 +1220,8 @@ static void prepare_warning(struct dquot_warn *warn, struct dquot *dquot,
return;
warn->w_type = warntype;
warn->w_sb = dquot->dq_sb;
- warn->w_dq_id = dquot->dq_id;
- warn->w_dq_type = dquot->dq_type;
+ warn->w_dq_id = from_kqid(&init_user_ns, dquot->dq_id);
+ warn->w_dq_type = dquot->dq_id.type;
}
/*
@@ -1245,7 +1246,7 @@ static void flush_warnings(struct dquot_warn *warn)
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 ||
@@ -1258,7 +1259,7 @@ static int check_idq(struct dquot *dquot, qsize_t inodes,
{
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;
@@ -1283,7 +1284,7 @@ static int check_idq(struct dquot *dquot, qsize_t inodes,
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;
@@ -1296,7 +1297,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc,
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;
@@ -1327,7 +1328,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc,
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
/*
@@ -1346,7 +1347,7 @@ static int info_idq_free(struct dquot *dquot, qsize_t inodes)
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;
@@ -2362,9 +2363,9 @@ static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
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);
@@ -2403,7 +2404,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
{
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;