diff options
| author |   Jan Kara <jack@suse.cz> | 2014-12-16 12:03:51 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2015-03-04 16:06:38 +0100 |
| commit | 5eacb2ac029161d94969a511e0adf7dca28cda1f (patch) | |
| tree | f49c47630dbd2790ae4d297f745f6ab359525ed9 /fs/quota | |
| parent | quota: Remove ->get_xstate and ->get_xstatev callbacks (diff) | |
| download | wireguard-linux-5eacb2ac029161d94969a511e0adf7dca28cda1f.tar.xz wireguard-linux-5eacb2ac029161d94969a511e0adf7dca28cda1f.zip | |
quota: Make ->set_info use structure with neccesary info to VFS and XFS
Change ->set_info to take new qc_info structure which contains all the
necessary information both for XFS and VFS. Convert Q_SETINFO handler
to use this structure.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/quota')
| -rw-r--r-- | fs/quota/dquot.c | 27 | ||||
| -rw-r--r-- | fs/quota/quota.c | 21 |
2 files changed, 36 insertions, 12 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index cf4edd87e854..f37b74eab807 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2649,33 +2649,38 @@ int dquot_get_state(struct super_block *sb, struct qc_state *state) EXPORT_SYMBOL(dquot_get_state); /* Generic routine for setting common part of quota file information */ -int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) +int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii) { struct mem_dqinfo *mi; int err = 0; + if ((ii->i_fieldmask & QC_WARNS_MASK) || + (ii->i_fieldmask & QC_RT_SPC_TIMER)) + return -EINVAL; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); if (!sb_has_quota_active(sb, type)) { err = -ESRCH; goto out; } mi = sb_dqopt(sb)->info + type; - if (ii->dqi_valid & IIF_FLAGS) { - if (ii->dqi_flags & ~DQF_SETINFO_MASK || - (ii->dqi_flags & DQF_ROOT_SQUASH && + if (ii->i_fieldmask & QC_FLAGS) { + if ((ii->i_flags & QCI_ROOT_SQUASH && mi->dqi_format->qf_fmt_id != QFMT_VFS_OLD)) { err = -EINVAL; goto out; } } spin_lock(&dq_data_lock); - if (ii->dqi_valid & IIF_BGRACE) - mi->dqi_bgrace = ii->dqi_bgrace; - if (ii->dqi_valid & IIF_IGRACE) - mi->dqi_igrace = ii->dqi_igrace; - if (ii->dqi_valid & IIF_FLAGS) - mi->dqi_flags = (mi->dqi_flags & ~DQF_SETINFO_MASK) | - (ii->dqi_flags & DQF_SETINFO_MASK); + if (ii->i_fieldmask & QC_SPC_TIMER) + mi->dqi_bgrace = ii->i_spc_timelimit; + if (ii->i_fieldmask & QC_INO_TIMER) + mi->dqi_igrace = ii->i_ino_timelimit; + if (ii->i_fieldmask & QC_FLAGS) { + if (ii->i_flags & QCI_ROOT_SQUASH) + mi->dqi_flags |= DQF_ROOT_SQUASH; + else + mi->dqi_flags &= ~DQF_ROOT_SQUASH; + } spin_unlock(&dq_data_lock); mark_info_dirty(sb, type); /* Force write to disk */ diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 20d11cd21247..741d5a178268 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -149,12 +149,31 @@ static int quota_getinfo(struct super_block *sb, int type, void __user *addr) static int quota_setinfo(struct super_block *sb, int type, void __user *addr) { struct if_dqinfo info; + struct qc_info qinfo; if (copy_from_user(&info, addr, sizeof(info))) return -EFAULT; if (!sb->s_qcop->set_info) return -ENOSYS; - return sb->s_qcop->set_info(sb, type, &info); + if (info.dqi_valid & ~(IIF_FLAGS | IIF_BGRACE | IIF_IGRACE)) + return -EINVAL; + memset(&qinfo, 0, sizeof(qinfo)); + if (info.dqi_valid & IIF_FLAGS) { + if (info.dqi_flags & ~DQF_SETINFO_MASK) + return -EINVAL; + if (info.dqi_flags & DQF_ROOT_SQUASH) + qinfo.i_flags |= QCI_ROOT_SQUASH; + qinfo.i_fieldmask |= QC_FLAGS; + } + if (info.dqi_valid & IIF_BGRACE) { + qinfo.i_spc_timelimit = info.dqi_bgrace; + qinfo.i_fieldmask |= QC_SPC_TIMER; + } + if (info.dqi_valid & IIF_IGRACE) { + qinfo.i_ino_timelimit = info.dqi_igrace; + qinfo.i_fieldmask |= QC_INO_TIMER; + } + return sb->s_qcop->set_info(sb, type, &qinfo); } static inline qsize_t qbtos(qsize_t blocks) |