| | 1 | /* |
| | 2 | * Copyright (C) 2003 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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 |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 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> |
| | 34 | #include <sys/mount.h> |
| | 35 | #include <sys/vnode.h> |
| | 36 | #include <sys/malloc.h> |
| | 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" |
| | 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); |
| | 57 | fsid_t fsid; |
| | 58 | |
| | 59 | fsid.val[0] = (long)hfsmp->hfs_raw_dev; |
| | 60 | fsid.val[1] = (long)vfs_typenum(HFSTOVFS(hfsmp)); |
| | 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; |
| | 66 | vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, NULL); |
| | 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; |
| | 72 | vfs_event_signal(&fsid, hfsmp->hfs_notification_conditions, NULL); |
| | 73 | } |
| | 74 | }; |
| | 75 | } |
projects / apple / xnu.git / blame_incremental