projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 55e303ae A |
1 | /* |
| 2 | * Copyright (C) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 8f6c56a5 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 55e303ae | 5 | * |
| 8f6c56a5 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 8ad349bb | 24 | * limitations under the License. |
| 8f6c56a5 A |
25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 55e303ae A |
27 | */ |
| 28 | ||
| 29 | #include <sys/systm.h> | |
| 30 | #include <sys/kernel.h> | |
| 31 | #include <sys/file.h> | |
| 32 | #include <sys/dirent.h> | |
| 33 | #include <sys/stat.h> | |
| 55e303ae A |
34 | #include <sys/mount.h> |
| 35 | #include <sys/vnode.h> | |
| 36 | #include <sys/malloc.h> | |
| 55e303ae A |
37 | #include <sys/ubc.h> |
| 38 | #include <sys/quota.h> | |
| 39 | ||
| 40 | #include <sys/kdebug.h> | |
| 41 | ||
| 42 | #include "hfs.h" | |
| 43 | #include "hfs_catalog.h" | |
| 44 | #include "hfs_cnode.h" | |
| 55e303ae A |
45 | #include "hfs_dbg.h" |
| 46 | #include "hfs_mount.h" | |
| 47 | #include "hfs_quota.h" | |
| 48 | #include "hfs_endian.h" | |
| 49 | ||
| 50 | #include "hfscommon/headers/BTreesInternal.h" | |
| 51 | #include "hfscommon/headers/FileMgrInternal.h" | |
| 52 | ||
| 53 | ||
| 54 | ||
| 55 | void hfs_generate_volume_notifications(struct hfsmount *hfsmp) { | |
| 56 | ExtendedVCB *vcb = HFSTOVCB(hfsmp); | |
| 91447636 A |
57 | fsid_t fsid; |
| 58 | ||
| 59 | fsid.val[0] = (long)hfsmp->hfs_raw_dev; | |
| 60 | fsid.val[1] = (long)vfs_typenum(HFSTOVFS(hfsmp)); | |
| 55e303ae A |
61 | |
| 62 | if (hfsmp->hfs_notification_conditions & VQ_LOWDISK) { | |
| 63 | /* Check to see whether the free space is back above the minimal level: */ | |
| 64 | if (hfs_freeblks(hfsmp, 1) > hfsmp->hfs_freespace_notify_desiredlevel) { | |
| 65 | hfsmp->hfs_notification_conditions &= ~VQ_LOWDISK; | |
| 91447636 | 66 | vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, NULL); |
| 55e303ae A |
67 | } |
| 68 | } else { | |
| 69 | /* Check to see whether the free space fell below the requested limit: */ | |
| 70 | if (hfs_freeblks(hfsmp, 1) < hfsmp->hfs_freespace_notify_warninglimit) { | |
| 71 | hfsmp->hfs_notification_conditions |= VQ_LOWDISK; | |
| 91447636 | 72 | vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, NULL); |
| 55e303ae A |
73 | } |
| 74 | }; | |
| 75 | } |