projects / apple / xnu.git / blame
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|---|---|---|
| 55e303ae A |
1 | /* |
| 2 | * Copyright (C) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| e5568f75 A |
6 | * The contents of this file constitute Original Code as defined in and |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 55e303ae | 11 | * |
| e5568f75 A |
12 | * This Original Code and all software distributed under the License are |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 55e303ae A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| e5568f75 A |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 55e303ae A |
19 | * |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | ||
| 23 | #include <sys/systm.h> | |
| 24 | #include <sys/kernel.h> | |
| 25 | #include <sys/file.h> | |
| 26 | #include <sys/dirent.h> | |
| 27 | #include <sys/stat.h> | |
| 28 | #include <sys/buf.h> | |
| 29 | #include <sys/mount.h> | |
| 30 | #include <sys/vnode.h> | |
| 31 | #include <sys/malloc.h> | |
| 32 | #include <sys/namei.h> | |
| 33 | #include <sys/ubc.h> | |
| 34 | #include <sys/quota.h> | |
| 35 | ||
| 36 | #include <sys/kdebug.h> | |
| 37 | ||
| 38 | #include "hfs.h" | |
| 39 | #include "hfs_catalog.h" | |
| 40 | #include "hfs_cnode.h" | |
| 41 | #include "hfs_lockf.h" | |
| 42 | #include "hfs_dbg.h" | |
| 43 | #include "hfs_mount.h" | |
| 44 | #include "hfs_quota.h" | |
| 45 | #include "hfs_endian.h" | |
| 46 | ||
| 47 | #include "hfscommon/headers/BTreesInternal.h" | |
| 48 | #include "hfscommon/headers/FileMgrInternal.h" | |
| 49 | ||
| 50 | ||
| 51 | ||
| 52 | void hfs_generate_volume_notifications(struct hfsmount *hfsmp) { | |
| 53 | ExtendedVCB *vcb = HFSTOVCB(hfsmp); | |
| 54 | ||
| 55 | if (hfsmp->hfs_notification_conditions & VQ_LOWDISK) { | |
| 56 | /* Check to see whether the free space is back above the minimal level: */ | |
| 57 | if (hfs_freeblks(hfsmp, 1) > hfsmp->hfs_freespace_notify_desiredlevel) { | |
| 58 | hfsmp->hfs_notification_conditions &= ~VQ_LOWDISK; | |
| 59 | vfs_event_signal(&HFSTOVFS(hfsmp)->mnt_stat.f_fsid, hfsmp->hfs_notification_conditions, NULL); | |
| 60 | } | |
| 61 | } else { | |
| 62 | /* Check to see whether the free space fell below the requested limit: */ | |
| 63 | if (hfs_freeblks(hfsmp, 1) < hfsmp->hfs_freespace_notify_warninglimit) { | |
| 64 | hfsmp->hfs_notification_conditions |= VQ_LOWDISK; | |
| 65 | vfs_event_signal(&HFSTOVFS(hfsmp)->mnt_stat.f_fsid, hfsmp->hfs_notification_conditions, NULL); | |
| 66 | } | |
| 67 | }; | |
| 68 | } |