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Merge branch 'for_linus' into for_next

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This commit is contained in:
Jan Kara
2015-01-30 10:16:33 +01:00
parent a39427007e 14bf61ffe6
commit 1cd6b7be92
248 changed files with 2661 additions and 1584 deletions
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83
fs/quota/dquot.c
View File

@@ -2396,30 +2396,25 @@ static inline qsize_t stoqb(qsize_t space)
}
/* Generic routine for getting common part of quota structure */
static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
static void do_get_dqblk(struct dquot *dquot, struct qc_dqblk *di)
{
struct mem_dqblk *dm = &dquot->dq_dqb;
memset(di, 0, sizeof(*di));
di->d_version = FS_DQUOT_VERSION;
di->d_flags = dquot->dq_id.type == USRQUOTA ?
FS_USER_QUOTA : FS_GROUP_QUOTA;
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);
di->d_blk_softlimit = stoqb(dm->dqb_bsoftlimit);
di->d_spc_hardlimit = dm->dqb_bhardlimit;
di->d_spc_softlimit = dm->dqb_bsoftlimit;
di->d_ino_hardlimit = dm->dqb_ihardlimit;
di->d_ino_softlimit = dm->dqb_isoftlimit;
di->d_bcount = dm->dqb_curspace + dm->dqb_rsvspace;
di->d_icount = dm->dqb_curinodes;
di->d_btimer = dm->dqb_btime;
di->d_itimer = dm->dqb_itime;
di->d_space = dm->dqb_curspace + dm->dqb_rsvspace;
di->d_ino_count = dm->dqb_curinodes;
di->d_spc_timer = dm->dqb_btime;
di->d_ino_timer = dm->dqb_itime;
spin_unlock(&dq_data_lock);
}
int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
struct fs_disk_quota *di)
struct qc_dqblk *di)
{
struct dquot *dquot;
@@ -2433,70 +2428,70 @@ int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
}
EXPORT_SYMBOL(dquot_get_dqblk);
#define VFS_FS_DQ_MASK \
(FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \
FS_DQ_ICOUNT | FS_DQ_ISOFT | FS_DQ_IHARD | \
FS_DQ_BTIMER | FS_DQ_ITIMER)
#define VFS_QC_MASK \
(QC_SPACE | QC_SPC_SOFT | QC_SPC_HARD | \
QC_INO_COUNT | QC_INO_SOFT | QC_INO_HARD | \
QC_SPC_TIMER | QC_INO_TIMER)
/* Generic routine for setting common part of quota structure */
static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
static int do_set_dqblk(struct dquot *dquot, struct qc_dqblk *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_id.type];
if (di->d_fieldmask & ~VFS_FS_DQ_MASK)
if (di->d_fieldmask & ~VFS_QC_MASK)
return -EINVAL;
if (((di->d_fieldmask & FS_DQ_BSOFT) &&
(di->d_blk_softlimit > dqi->dqi_maxblimit)) ||
((di->d_fieldmask & FS_DQ_BHARD) &&
(di->d_blk_hardlimit > dqi->dqi_maxblimit)) ||
((di->d_fieldmask & FS_DQ_ISOFT) &&
if (((di->d_fieldmask & QC_SPC_SOFT) &&
stoqb(di->d_spc_softlimit) > dqi->dqi_maxblimit) ||
((di->d_fieldmask & QC_SPC_HARD) &&
stoqb(di->d_spc_hardlimit) > dqi->dqi_maxblimit) ||
((di->d_fieldmask & QC_INO_SOFT) &&
(di->d_ino_softlimit > dqi->dqi_maxilimit)) ||
((di->d_fieldmask & FS_DQ_IHARD) &&
((di->d_fieldmask & QC_INO_HARD) &&
(di->d_ino_hardlimit > dqi->dqi_maxilimit)))
return -ERANGE;
spin_lock(&dq_data_lock);
if (di->d_fieldmask & FS_DQ_BCOUNT) {
dm->dqb_curspace = di->d_bcount - dm->dqb_rsvspace;
if (di->d_fieldmask & QC_SPACE) {
dm->dqb_curspace = di->d_space - dm->dqb_rsvspace;
check_blim = 1;
set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
}
if (di->d_fieldmask & FS_DQ_BSOFT)
dm->dqb_bsoftlimit = qbtos(di->d_blk_softlimit);
if (di->d_fieldmask & FS_DQ_BHARD)
dm->dqb_bhardlimit = qbtos(di->d_blk_hardlimit);
if (di->d_fieldmask & (FS_DQ_BSOFT | FS_DQ_BHARD)) {
if (di->d_fieldmask & QC_SPC_SOFT)
dm->dqb_bsoftlimit = di->d_spc_softlimit;
if (di->d_fieldmask & QC_SPC_HARD)
dm->dqb_bhardlimit = di->d_spc_hardlimit;
if (di->d_fieldmask & (QC_SPC_SOFT | QC_SPC_HARD)) {
check_blim = 1;
set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
}
if (di->d_fieldmask & FS_DQ_ICOUNT) {
dm->dqb_curinodes = di->d_icount;
if (di->d_fieldmask & QC_INO_COUNT) {
dm->dqb_curinodes = di->d_ino_count;
check_ilim = 1;
set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
}
if (di->d_fieldmask & FS_DQ_ISOFT)
if (di->d_fieldmask & QC_INO_SOFT)
dm->dqb_isoftlimit = di->d_ino_softlimit;
if (di->d_fieldmask & FS_DQ_IHARD)
if (di->d_fieldmask & QC_INO_HARD)
dm->dqb_ihardlimit = di->d_ino_hardlimit;
if (di->d_fieldmask & (FS_DQ_ISOFT | FS_DQ_IHARD)) {
if (di->d_fieldmask & (QC_INO_SOFT | QC_INO_HARD)) {
check_ilim = 1;
set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
}
if (di->d_fieldmask & FS_DQ_BTIMER) {
dm->dqb_btime = di->d_btimer;
if (di->d_fieldmask & QC_SPC_TIMER) {
dm->dqb_btime = di->d_spc_timer;
check_blim = 1;
set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
}
if (di->d_fieldmask & FS_DQ_ITIMER) {
dm->dqb_itime = di->d_itimer;
if (di->d_fieldmask & QC_INO_TIMER) {
dm->dqb_itime = di->d_ino_timer;
check_ilim = 1;
set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
}
@@ -2506,7 +2501,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
dm->dqb_curspace < dm->dqb_bsoftlimit) {
dm->dqb_btime = 0;
clear_bit(DQ_BLKS_B, &dquot->dq_flags);
} else if (!(di->d_fieldmask & FS_DQ_BTIMER))
} else if (!(di->d_fieldmask & QC_SPC_TIMER))
/* Set grace only if user hasn't provided his own... */
dm->dqb_btime = get_seconds() + dqi->dqi_bgrace;
}
@@ -2515,7 +2510,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
dm->dqb_curinodes < dm->dqb_isoftlimit) {
dm->dqb_itime = 0;
clear_bit(DQ_INODES_B, &dquot->dq_flags);
} else if (!(di->d_fieldmask & FS_DQ_ITIMER))
} else if (!(di->d_fieldmask & QC_INO_TIMER))
/* Set grace only if user hasn't provided his own... */
dm->dqb_itime = get_seconds() + dqi->dqi_igrace;
}
@@ -2531,7 +2526,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
}
int dquot_set_dqblk(struct super_block *sb, struct kqid qid,
struct fs_disk_quota *di)
struct qc_dqblk *di)
{
struct dquot *dquot;
int rc;

162
fs/quota/quota.c
View File

@@ -118,17 +118,27 @@ static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
return sb->s_qcop->set_info(sb, type, &info);
}
static void copy_to_if_dqblk(struct if_dqblk *dst, struct fs_disk_quota *src)
static inline qsize_t qbtos(qsize_t blocks)
{
return blocks << QIF_DQBLKSIZE_BITS;
}
static inline qsize_t stoqb(qsize_t space)
{
return (space + QIF_DQBLKSIZE - 1) >> QIF_DQBLKSIZE_BITS;
}
static void copy_to_if_dqblk(struct if_dqblk *dst, struct qc_dqblk *src)
{
memset(dst, 0, sizeof(*dst));
dst->dqb_bhardlimit = src->d_blk_hardlimit;
dst->dqb_bsoftlimit = src->d_blk_softlimit;
dst->dqb_curspace = src->d_bcount;
dst->dqb_bhardlimit = stoqb(src->d_spc_hardlimit);
dst->dqb_bsoftlimit = stoqb(src->d_spc_softlimit);
dst->dqb_curspace = src->d_space;
dst->dqb_ihardlimit = src->d_ino_hardlimit;
dst->dqb_isoftlimit = src->d_ino_softlimit;
dst->dqb_curinodes = src->d_icount;
dst->dqb_btime = src->d_btimer;
dst->dqb_itime = src->d_itimer;
dst->dqb_curinodes = src->d_ino_count;
dst->dqb_btime = src->d_spc_timer;
dst->dqb_itime = src->d_ino_timer;
dst->dqb_valid = QIF_ALL;
}
@@ -136,7 +146,7 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
void __user *addr)
{
struct kqid qid;
struct fs_disk_quota fdq;
struct qc_dqblk fdq;
struct if_dqblk idq;
int ret;
@@ -154,36 +164,36 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
return 0;
}
static void copy_from_if_dqblk(struct fs_disk_quota *dst, struct if_dqblk *src)
static void copy_from_if_dqblk(struct qc_dqblk *dst, struct if_dqblk *src)
{
dst->d_blk_hardlimit = src->dqb_bhardlimit;
dst->d_blk_softlimit = src->dqb_bsoftlimit;
dst->d_bcount = src->dqb_curspace;
dst->d_spc_hardlimit = qbtos(src->dqb_bhardlimit);
dst->d_spc_softlimit = qbtos(src->dqb_bsoftlimit);
dst->d_space = src->dqb_curspace;
dst->d_ino_hardlimit = src->dqb_ihardlimit;
dst->d_ino_softlimit = src->dqb_isoftlimit;
dst->d_icount = src->dqb_curinodes;
dst->d_btimer = src->dqb_btime;
dst->d_itimer = src->dqb_itime;
dst->d_ino_count = src->dqb_curinodes;
dst->d_spc_timer = src->dqb_btime;
dst->d_ino_timer = src->dqb_itime;
dst->d_fieldmask = 0;
if (src->dqb_valid & QIF_BLIMITS)
dst->d_fieldmask |= FS_DQ_BSOFT | FS_DQ_BHARD;
dst->d_fieldmask |= QC_SPC_SOFT | QC_SPC_HARD;
if (src->dqb_valid & QIF_SPACE)
dst->d_fieldmask |= FS_DQ_BCOUNT;
dst->d_fieldmask |= QC_SPACE;
if (src->dqb_valid & QIF_ILIMITS)
dst->d_fieldmask |= FS_DQ_ISOFT | FS_DQ_IHARD;
dst->d_fieldmask |= QC_INO_SOFT | QC_INO_HARD;
if (src->dqb_valid & QIF_INODES)
dst->d_fieldmask |= FS_DQ_ICOUNT;
dst->d_fieldmask |= QC_INO_COUNT;
if (src->dqb_valid & QIF_BTIME)
dst->d_fieldmask |= FS_DQ_BTIMER;
dst->d_fieldmask |= QC_SPC_TIMER;
if (src->dqb_valid & QIF_ITIME)
dst->d_fieldmask |= FS_DQ_ITIMER;
dst->d_fieldmask |= QC_INO_TIMER;
}
static int quota_setquota(struct super_block *sb, int type, qid_t id,
void __user *addr)
{
struct fs_disk_quota fdq;
struct qc_dqblk fdq;
struct if_dqblk idq;
struct kqid qid;
@@ -247,10 +257,78 @@ static int quota_getxstatev(struct super_block *sb, void __user *addr)
return ret;
}
/*
* XFS defines BBTOB and BTOBB macros inside fs/xfs/ and we cannot move them
* out of there as xfsprogs rely on definitions being in that header file. So
* just define same functions here for quota purposes.
*/
#define XFS_BB_SHIFT 9
static inline u64 quota_bbtob(u64 blocks)
{
return blocks << XFS_BB_SHIFT;
}
static inline u64 quota_btobb(u64 bytes)
{
return (bytes + (1 << XFS_BB_SHIFT) - 1) >> XFS_BB_SHIFT;
}
static void copy_from_xfs_dqblk(struct qc_dqblk *dst, struct fs_disk_quota *src)
{
dst->d_spc_hardlimit = quota_bbtob(src->d_blk_hardlimit);
dst->d_spc_softlimit = quota_bbtob(src->d_blk_softlimit);
dst->d_ino_hardlimit = src->d_ino_hardlimit;
dst->d_ino_softlimit = src->d_ino_softlimit;
dst->d_space = quota_bbtob(src->d_bcount);
dst->d_ino_count = src->d_icount;
dst->d_ino_timer = src->d_itimer;
dst->d_spc_timer = src->d_btimer;
dst->d_ino_warns = src->d_iwarns;
dst->d_spc_warns = src->d_bwarns;
dst->d_rt_spc_hardlimit = quota_bbtob(src->d_rtb_hardlimit);
dst->d_rt_spc_softlimit = quota_bbtob(src->d_rtb_softlimit);
dst->d_rt_space = quota_bbtob(src->d_rtbcount);
dst->d_rt_spc_timer = src->d_rtbtimer;
dst->d_rt_spc_warns = src->d_rtbwarns;
dst->d_fieldmask = 0;
if (src->d_fieldmask & FS_DQ_ISOFT)
dst->d_fieldmask |= QC_INO_SOFT;
if (src->d_fieldmask & FS_DQ_IHARD)
dst->d_fieldmask |= QC_INO_HARD;
if (src->d_fieldmask & FS_DQ_BSOFT)
dst->d_fieldmask |= QC_SPC_SOFT;
if (src->d_fieldmask & FS_DQ_BHARD)
dst->d_fieldmask |= QC_SPC_HARD;
if (src->d_fieldmask & FS_DQ_RTBSOFT)
dst->d_fieldmask |= QC_RT_SPC_SOFT;
if (src->d_fieldmask & FS_DQ_RTBHARD)
dst->d_fieldmask |= QC_RT_SPC_HARD;
if (src->d_fieldmask & FS_DQ_BTIMER)
dst->d_fieldmask |= QC_SPC_TIMER;
if (src->d_fieldmask & FS_DQ_ITIMER)
dst->d_fieldmask |= QC_INO_TIMER;
if (src->d_fieldmask & FS_DQ_RTBTIMER)
dst->d_fieldmask |= QC_RT_SPC_TIMER;
if (src->d_fieldmask & FS_DQ_BWARNS)
dst->d_fieldmask |= QC_SPC_WARNS;
if (src->d_fieldmask & FS_DQ_IWARNS)
dst->d_fieldmask |= QC_INO_WARNS;
if (src->d_fieldmask & FS_DQ_RTBWARNS)
dst->d_fieldmask |= QC_RT_SPC_WARNS;
if (src->d_fieldmask & FS_DQ_BCOUNT)
dst->d_fieldmask |= QC_SPACE;
if (src->d_fieldmask & FS_DQ_ICOUNT)
dst->d_fieldmask |= QC_INO_COUNT;
if (src->d_fieldmask & FS_DQ_RTBCOUNT)
dst->d_fieldmask |= QC_RT_SPACE;
}
static int quota_setxquota(struct super_block *sb, int type, qid_t id,
void __user *addr)
{
struct fs_disk_quota fdq;
struct qc_dqblk qdq;
struct kqid qid;
if (copy_from_user(&fdq, addr, sizeof(fdq)))
@@ -260,13 +338,44 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id,
qid = make_kqid(current_user_ns(), type, id);
if (!qid_valid(qid))
return -EINVAL;
return sb->s_qcop->set_dqblk(sb, qid, &fdq);
copy_from_xfs_dqblk(&qdq, &fdq);
return sb->s_qcop->set_dqblk(sb, qid, &qdq);
}
static void copy_to_xfs_dqblk(struct fs_disk_quota *dst, struct qc_dqblk *src,
int type, qid_t id)
{
memset(dst, 0, sizeof(*dst));
dst->d_version = FS_DQUOT_VERSION;
dst->d_id = id;
if (type == USRQUOTA)
dst->d_flags = FS_USER_QUOTA;
else if (type == PRJQUOTA)
dst->d_flags = FS_PROJ_QUOTA;
else
dst->d_flags = FS_GROUP_QUOTA;
dst->d_blk_hardlimit = quota_btobb(src->d_spc_hardlimit);
dst->d_blk_softlimit = quota_btobb(src->d_spc_softlimit);
dst->d_ino_hardlimit = src->d_ino_hardlimit;
dst->d_ino_softlimit = src->d_ino_softlimit;
dst->d_bcount = quota_btobb(src->d_space);
dst->d_icount = src->d_ino_count;
dst->d_itimer = src->d_ino_timer;
dst->d_btimer = src->d_spc_timer;
dst->d_iwarns = src->d_ino_warns;
dst->d_bwarns = src->d_spc_warns;
dst->d_rtb_hardlimit = quota_btobb(src->d_rt_spc_hardlimit);
dst->d_rtb_softlimit = quota_btobb(src->d_rt_spc_softlimit);
dst->d_rtbcount = quota_btobb(src->d_rt_space);
dst->d_rtbtimer = src->d_rt_spc_timer;
dst->d_rtbwarns = src->d_rt_spc_warns;
}
static int quota_getxquota(struct super_block *sb, int type, qid_t id,
void __user *addr)
{
struct fs_disk_quota fdq;
struct qc_dqblk qdq;
struct kqid qid;
int ret;
@@ -275,8 +384,11 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id,
qid = make_kqid(current_user_ns(), type, id);
if (!qid_valid(qid))
return -EINVAL;
ret = sb->s_qcop->get_dqblk(sb, qid, &fdq);
if (!ret && copy_to_user(addr, &fdq, sizeof(fdq)))
ret = sb->s_qcop->get_dqblk(sb, qid, &qdq);
if (ret)
return ret;
copy_to_xfs_dqblk(&fdq, &qdq, type, id);
if (copy_to_user(addr, &fdq, sizeof(fdq)))
return -EFAULT;
return ret;
}