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sys/ufs/ufs/ufs_vfsops.c
| Show First 20 Lines • Show All 81 Lines • ▼ Show 20 Lines | ufs_root(mp, flags, vpp) | ||||
| *vpp = nvp; | *vpp = nvp; | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| /* | /* | ||||
| * Do operations associated with quotas | * Do operations associated with quotas | ||||
| */ | */ | ||||
| int | int | ||||
| ufs_quotactl(mp, cmds, id, arg) | ufs_quotactl(mp, cmds, id, arg, mp_busy) | ||||
| struct mount *mp; | struct mount *mp; | ||||
| int cmds; | int cmds; | ||||
| uid_t id; | uid_t id; | ||||
| void *arg; | void *arg; | ||||
| bool *mp_busy; | |||||
| { | { | ||||
| #ifndef QUOTA | #ifndef QUOTA | ||||
| if ((cmds >> SUBCMDSHIFT) == Q_QUOTAON || | |||||
| (cmds >> SUBCMDSHIFT) == Q_QUOTAOFF) | |||||
| vfs_unbusy(mp); | |||||
| return (EOPNOTSUPP); | return (EOPNOTSUPP); | ||||
| #else | #else | ||||
| struct thread *td; | struct thread *td; | ||||
| int cmd, type, error; | int cmd, type, error; | ||||
| td = curthread; | td = curthread; | ||||
| cmd = cmds >> SUBCMDSHIFT; | cmd = cmds >> SUBCMDSHIFT; | ||||
| type = cmds & SUBCMDMASK; | type = cmds & SUBCMDMASK; | ||||
| if (id == -1) { | if (id == -1) { | ||||
| switch (type) { | switch (type) { | ||||
| case USRQUOTA: | case USRQUOTA: | ||||
| id = td->td_ucred->cr_ruid; | id = td->td_ucred->cr_ruid; | ||||
| break; | break; | ||||
| case GRPQUOTA: | case GRPQUOTA: | ||||
| id = td->td_ucred->cr_rgid; | id = td->td_ucred->cr_rgid; | ||||
| break; | break; | ||||
| default: | default: | ||||
| if (cmd == Q_QUOTAON || cmd == Q_QUOTAOFF) | |||||
| vfs_unbusy(mp); | |||||
| return (EINVAL); | return (EINVAL); | ||||
| } | } | ||||
| } | } | ||||
| if ((u_int)type >= MAXQUOTAS) { | if ((u_int)type >= MAXQUOTAS) | ||||
| if (cmd == Q_QUOTAON || cmd == Q_QUOTAOFF) | |||||
| vfs_unbusy(mp); | |||||
| return (EINVAL); | return (EINVAL); | ||||
| } | |||||
| switch (cmd) { | switch (cmd) { | ||||
| case Q_QUOTAON: | case Q_QUOTAON: | ||||
| error = quotaon(td, mp, type, arg); | error = quotaon(td, mp, type, arg, mp_busy); | ||||
| break; | break; | ||||
| case Q_QUOTAOFF: | case Q_QUOTAOFF: | ||||
| vfs_ref(mp); | vfs_ref(mp); | ||||
| KASSERT(*mp_busy, | |||||
| ("%s called without busied mount", __func__)); | |||||
| vfs_unbusy(mp); | vfs_unbusy(mp); | ||||
| *mp_busy = false; | |||||
| vn_start_write(NULL, &mp, V_WAIT | V_MNTREF); | vn_start_write(NULL, &mp, V_WAIT | V_MNTREF); | ||||
| error = quotaoff(td, mp, type); | error = quotaoff(td, mp, type); | ||||
| vn_finished_write(mp); | vn_finished_write(mp); | ||||
| break; | break; | ||||
| case Q_SETQUOTA32: | case Q_SETQUOTA32: | ||||
| error = setquota32(td, mp, id, type, arg); | error = setquota32(td, mp, id, type, arg); | ||||
| break; | break; | ||||
| ▲ Show 20 Lines • Show All 70 Lines • Show Last 20 Lines | |||||