/*
- * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/ubc.h>
+#include <sys/ubc_internal.h>
#include <sys/vnode.h>
#include <sys/vnode_internal.h>
#include <sys/kauth.h>
#define HFC_VERBOSE 0
+/*
+ * Minimum post Tiger base time.
+ * Thu Mar 31 17:00:00 2005
+ */
+#define HFC_MIN_BASE_TIME 0x424c8f00L
/*
* Hot File List (runtime).
static int hotfiles_collect (struct hfsmount *);
static int hotfiles_age (struct hfsmount *);
static int hotfiles_adopt (struct hfsmount *);
-static int hotfiles_evict (struct hfsmount *, struct proc *);
+static int hotfiles_evict (struct hfsmount *, vfs_context_t);
static int hotfiles_refine (struct hfsmount *);
static int hotextents(struct hfsmount *, HFSPlusExtentDescriptor *);
static int hfs_addhotfile_internal(struct vnode *);
/*
* Hot File Cluster B-tree (on disk) functions.
*/
-static int hfc_btree_create (struct hfsmount *, int, int);
+static int hfc_btree_create (struct hfsmount *, unsigned int, unsigned int);
static int hfc_btree_open (struct hfsmount *, struct vnode **);
static int hfc_btree_close (struct hfsmount *, struct vnode *);
static int hfc_comparekeys (HotFileKey *, HotFileKey *);
char hfc_tag[] = "CLUSTERED HOT FILES B-TREE ";
-extern int UBCINFOEXISTS(struct vnode * vp);
-extern int hfs_vnop_write(struct vnop_write_args *ap);
-
/*
*========================================================================
FREE(tmp, M_TEMP);
}
- microuptime(&tv);
+ microtime(&tv); /* Times are base on GMT time. */
/*
* On first startup check for suspended recording.
hfsmp->hfc_maxfiles = SWAP_BE32 (hotfileinfo.maxfilecnt);
hfsmp->hfc_timeout = SWAP_BE32 (hotfileinfo.timeleft) + tv.tv_sec ;
hfsmp->hfc_timebase = SWAP_BE32 (hotfileinfo.timebase);
+ /* Fix up any bogus timebase values. */
+ if (hfsmp->hfc_timebase < HFC_MIN_BASE_TIME) {
+ hfsmp->hfc_timebase = hfsmp->hfc_timeout - HFC_DEFAULT_DURATION;
+ }
#if HFC_VERBOSE
printf("Resume recording hot files on %s (%d secs left)\n",
hfsmp->vcbVN, SWAP_BE32 (hotfileinfo.timeleft));
if (hfsmp->hfc_stage != HFC_RECORDING)
return (EPERM);
- hotfiles_collect(hfsmp);
+ hfsmp->hfc_stage = HFC_BUSY;
- if (hfsmp->hfc_stage != HFC_RECORDING)
- return (0);
+ hotfiles_collect(hfsmp);
- hfsmp->hfc_stage = HFC_BUSY;
/*
* Convert hot file data into a simple file id list....
/* Open the B-tree file for writing... */
if (hfsmp->hfc_filevp)
- panic("hfs_recording_stop: hfc_filevp exists (vp = 0x%08x)", hfsmp->hfc_filevp);
+ panic("hfs_recording_stop: hfc_filevp exists (vp = %p)", hfsmp->hfc_filevp);
error = hfc_btree_open(hfsmp, &hfsmp->hfc_filevp);
if (error) {
size = sizeof(hotfilelist_t);
size += sizeof(hotfileinfo_t) * (hotdata->activefiles - 1);
MALLOC(listp, hotfilelist_t *, size, M_TEMP, M_WAITOK);
+ if (listp == NULL) {
+ error = ENOMEM;
+ (void) hfc_btree_close(hfsmp, hfsmp->hfc_filevp);
+ hfsmp->hfc_filevp = NULL;
+ goto out;
+ }
+
bzero(listp, size);
hf_getsortedlist(hotdata, listp); /* NOTE: destroys hot file tree! */
- microuptime(&tv);
+ microtime(&tv);
listp->hfl_duration = tv.tv_sec - hfsmp->hfc_timebase;
hfsmp->hfc_recdata = listp;
}
if (hfs_lock(VTOC(hfsmp->hfc_filevp), HFS_EXCLUSIVE_LOCK) != 0) {
error = EPERM;
- goto out;
+ goto end_transaction;
}
- microuptime(&tv);
+ microtime(&tv);
hotfileinfo.magic = SWAP_BE32 (HFC_MAGIC);
hotfileinfo.version = SWAP_BE32 (HFC_VERSION);
hotfileinfo.duration = SWAP_BE32 (HFC_DEFAULT_DURATION);
hotfileinfo.threshold = SWAP_BE32 (hotdata->threshold);
hotfileinfo.maxfileblks = SWAP_BE32 (hotdata->maxblocks);
hotfileinfo.maxfilecnt = SWAP_BE32 (HFC_DEFAULT_FILE_COUNT);
- strcpy(hotfileinfo.tag, hfc_tag);
+ strlcpy((char *)hotfileinfo.tag, hfc_tag, sizeof hotfileinfo.tag);
(void) BTSetUserData(VTOF(hfsmp->hfc_filevp), &hotfileinfo, sizeof(hotfileinfo));
hfs_unlock(VTOC(hfsmp->hfc_filevp));
+
+end_transaction:
hfs_end_transaction(hfsmp);
+
out:
if (hfsmp->hfc_filevp) {
(void) hfc_btree_close(hfsmp, hfsmp->hfc_filevp);
}
hfsmp->hfc_stage = HFC_DISABLED;
wakeup((caddr_t)&hfsmp->hfc_stage);
-exit:
+
lck_mtx_unlock(&hfsmp->hfc_mutex);
return (error);
}
return (EPERM);
}
+ /*
+ * Tracking of hot files requires up-to-date access times.
+ * So if access time updates are disabled, then we disable
+ * hot files, too.
+ */
+ if (vfs_flags(HFSTOVFS(hfsmp)) & MNT_NOATIME) {
+ hfsmp->hfc_stage = HFC_DISABLED;
+ return EPERM;
+ }
+
/*
* If the Hot File btree exists then metadata zone is ready.
*/
* Open the Hot File B-tree file for writing.
*/
if (hfsmp->hfc_filevp)
- panic("hfs_recording_init: hfc_filevp exists (vp = 0x%08x)", hfsmp->hfc_filevp);
+ panic("hfs_recording_init: hfc_filevp exists (vp = %p)", hfsmp->hfc_filevp);
error = hfc_btree_open(hfsmp, &hfsmp->hfc_filevp);
if (error) {
#if HFC_VERBOSE
}
if (hfs_lock(VTOC(hfsmp->hfc_filevp), HFS_EXCLUSIVE_LOCK) != 0) {
error = EPERM;
- goto out1;
+ goto out0;
}
filefork = VTOF(hfsmp->hfc_filevp);
(void) BTFlushPath(filefork);
hfs_unlock(VTOC(hfsmp->hfc_filevp));
+out0:
hfs_end_transaction(hfsmp);
#if HFC_VERBOSE
printf("%d files identified out of %d\n", inserted, filecount);
*/
__private_extern__
int
-hfs_hotfilesync(struct hfsmount *hfsmp, struct proc *p)
+hfs_hotfilesync(struct hfsmount *hfsmp, vfs_context_t ctx)
{
if (hfsmp->hfc_stage) {
struct timeval tv;
break;
case HFC_RECORDING:
- microuptime(&tv);
+ microtime(&tv);
if (tv.tv_sec > hfsmp->hfc_timeout)
(void) hfs_recording_stop(hfsmp);
break;
case HFC_EVICTION:
- (void) hotfiles_evict(hfsmp, p);
+ (void) hotfiles_evict(hfsmp, ctx);
break;
case HFC_ADOPTION:
if ((ffp->ff_bytesread == 0) ||
(ffp->ff_blocks == 0) ||
+ (ffp->ff_size == 0) ||
(ffp->ff_blocks > hotdata->maxblocks) ||
(cp->c_flag & (C_DELETED | C_NOEXISTS)) ||
(cp->c_flags & UF_NODUMP) ||
cp = VTOC(vp);
if ((ffp->ff_bytesread == 0) || (ffp->ff_blocks == 0) ||
- (cp->c_atime < hfsmp->hfc_timebase)) {
+ (ffp->ff_size == 0) || (cp->c_atime < hfsmp->hfc_timebase)) {
return (0);
}
}
if (hfs_lock(VTOC(hfsmp->hfc_filevp), HFS_EXCLUSIVE_LOCK) != 0) {
error = EPERM;
- goto out;
+ goto out1;
}
filefork = VTOF(hfsmp->hfc_filevp);
(void) BTFlushPath(filefork);
hfs_unlock(VTOC(hfsmp->hfc_filevp));
+out1:
hfs_end_transaction(hfsmp);
out:
FREE(iterator, M_TEMP);
vnode_put(vp);
break; /* adopt this entry the next time around */
}
- /* Start a new transaction. */
- if (hfs_start_transaction(hfsmp) != 0) {
- error = EINVAL;
- hfs_unlock(VTOC(vp));
- vnode_put(vp);
- break;
- }
- startedtrans = 1;
-
if (VTOC(vp)->c_desc.cd_nameptr)
- data = *(u_int32_t *)(VTOC(vp)->c_desc.cd_nameptr);
+ data = *(const u_int32_t *)(VTOC(vp)->c_desc.cd_nameptr);
else
data = 0x3f3f3f3f;
error = hfs_relocate(vp, hfsmp->hfs_hotfile_start, kauth_cred_get(), current_proc());
hfs_unlock(VTOC(vp));
vnode_put(vp);
- if (error)
- break;
-
+ if (error) {
+ /* Move on to next item. */
+ listp->hfl_next++;
+ continue;
+ }
/* Keep hot file free space current. */
hfsmp->hfs_hotfile_freeblks -= fileblocks;
listp->hfl_totalblocks -= fileblocks;
key->fileID = listp->hfl_hotfile[i].hf_fileid;
key->forkType = 0;
+ /* Start a new transaction before calling BTree code. */
+ if (hfs_start_transaction(hfsmp) != 0) {
+ error = EINVAL;
+ break;
+ }
+ startedtrans = 1;
+
error = BTInsertRecord(filefork, iterator, &record, record.itemSize);
if (error) {
printf("hotfiles_adopt: BTInsertRecord failed %d (fileid %d)\n", error, key->fileID);
* Requires that the hfc_mutex be held.
*/
static int
-hotfiles_evict(struct hfsmount *hfsmp, struct proc *p)
+hotfiles_evict(struct hfsmount *hfsmp, vfs_context_t ctx)
{
BTreeIterator * iterator;
struct vnode *vp;
* Aquire the vnode for this file.
*/
error = hfs_vget(hfsmp, key->fileID, &vp, 0);
-
- /* Start a new transaction. */
- if (hfs_start_transaction(hfsmp) != 0) {
- if (error == 0) {
- hfs_unlock(VTOC(vp));
- vnode_put(vp);
- }
- error = EINVAL;
- break;
- }
- startedtrans = 1;
-
if (error) {
if (error == ENOENT) {
goto delete; /* stale entry, go to next */
/*
* Relocate file out of hot area.
*/
- error = hfs_relocate(vp, HFSTOVCB(hfsmp)->nextAllocation, proc_ucred(p), p);
+ error = hfs_relocate(vp, HFSTOVCB(hfsmp)->nextAllocation, vfs_context_ucred(ctx), vfs_context_proc(ctx));
if (error) {
printf("hotfiles_evict: err %d relocating file %d\n", error, key->fileID);
hfs_unlock(VTOC(vp));
blksmoved += fileblocks;
filesmoved++;
delete:
+ /* Start a new transaction before calling BTree code. */
+ if (hfs_start_transaction(hfsmp) != 0) {
+ error = EINVAL;
+ break;
+ }
+ startedtrans = 1;
+
error = BTDeleteRecord(filefork, iterator);
if (error) {
error = MacToVFSError(error);
static int
hfc_btree_open(struct hfsmount *hfsmp, struct vnode **vpp)
{
- struct proc *p;
+ proc_t p;
struct vnode *vp;
struct cat_desc cdesc;
struct cat_attr cattr;
bzero(&cdesc, sizeof(cdesc));
cdesc.cd_parentcnid = kRootDirID;
- cdesc.cd_nameptr = filename;
+ cdesc.cd_nameptr = (const u_int8_t *)filename;
cdesc.cd_namelen = strlen(filename);
lockflags = hfs_systemfile_lock(hfsmp, SFL_CATALOG, HFS_SHARED_LOCK);
vnode_put(vp);
if (!vnode_issystem(vp))
- panic("hfc_btree_open: not a system file (vp = 0x%08x)", vp);
-
- if (UBCINFOEXISTS(vp))
- panic("hfc_btree_open: has UBCInfo (vp = 0x%08x)", vp);
+ panic("hfc_btree_open: not a system file (vp = %p)", vp);
return (error);
}
static int
hfc_btree_close(struct hfsmount *hfsmp, struct vnode *vp)
{
- struct proc *p = current_proc();
+ proc_t p = current_proc();
int error = 0;
*
*/
static int
-hfc_btree_create(struct hfsmount *hfsmp, int nodesize, int entries)
+hfc_btree_create(struct hfsmount *hfsmp, unsigned int nodesize, unsigned int entries)
{
struct vnode *dvp = NULL;
struct vnode *vp = NULL;
struct cnode *cp = NULL;
- struct vfs_context context;
+ vfs_context_t ctx = vfs_context_current();
struct vnode_attr va;
struct componentname cname;
static char filename[] = HFC_FILENAME;
int error;
- context.vc_proc = current_proc();
- context.vc_ucred = kauth_cred_get();
-
if (hfsmp->hfc_filevp)
- panic("hfc_btree_create: hfc_filevp exists (vp = 0x%08x)", hfsmp->hfc_filevp);
+ panic("hfc_btree_create: hfc_filevp exists (vp = %p)", hfsmp->hfc_filevp);
- error = VFS_ROOT(HFSTOVFS(hfsmp), &dvp, &context);
+ error = VFS_ROOT(HFSTOVFS(hfsmp), &dvp, ctx);
if (error) {
return (error);
}
cname.cn_nameiop = CREATE;
cname.cn_flags = ISLASTCN;
- cname.cn_context = &context;
+ cname.cn_context = ctx;
cname.cn_pnbuf = filename;
cname.cn_pnlen = sizeof(filename);
cname.cn_nameptr = filename;
VATTR_SET(&va, va_gid, 0);
/* call ourselves directly, ignore the higher-level VFS file creation code */
- error = VNOP_CREATE(dvp, &vp, &cname, &va, &context);
+ error = VNOP_CREATE(dvp, &vp, &cname, &va, ctx);
if (error) {
printf("HFS: error %d creating HFBT on %s\n", error, HFSTOVCB(hfsmp)->vcbVN);
goto out;
cp = VTOC(vp);
/* Don't use non-regular files or files with links. */
- if (!vnode_isreg(vp) || cp->c_nlink != 1) {
+ if (!vnode_isreg(vp) || cp->c_linkcount != 1) {
error = EFTYPE;
goto out;
}
printf("HFS: created HFBT on %s\n", HFSTOVCB(hfsmp)->vcbVN);
- if (VTOF(vp)->ff_size < (u_int64_t)nodesize) {
+ if (VTOF(vp)->ff_size < nodesize) {
caddr_t buffer;
u_int16_t *index;
u_int16_t offset;
goto out;
}
bzero(buffer, nodesize);
- index = (int16_t *)buffer;
+ index = (u_int16_t *)buffer;
entirespernode = (nodesize - sizeof(BTNodeDescriptor) - 2) /
(sizeof(HotFileKey) + 6);
index[(nodesize / 2) - 1] = SWAP_BE16 (offset);
/* FILL IN THE HEADER RECORD: */
- bthp = (BTHeaderRec *)((UInt8 *)buffer + offset);
+ bthp = (BTHeaderRec *)((u_int8_t *)buffer + offset);
bthp->nodeSize = SWAP_BE16 (nodesize);
bthp->totalNodes = SWAP_BE32 (filesize / nodesize);
bthp->freeNodes = SWAP_BE32 (nodecnt - 1);
index[(nodesize / 2) - 2] = SWAP_BE16 (offset);
/* FILL IN THE USER RECORD: */
- hotfileinfo = (HotFilesInfo *)((UInt8 *)buffer + offset);
+ hotfileinfo = (HotFilesInfo *)((u_int8_t *)buffer + offset);
hotfileinfo->magic = SWAP_BE32 (HFC_MAGIC);
hotfileinfo->version = SWAP_BE32 (HFC_VERSION);
hotfileinfo->duration = SWAP_BE32 (HFC_DEFAULT_DURATION);
hotfileinfo->threshold = SWAP_BE32 (HFC_MINIMUM_TEMPERATURE);
hotfileinfo->maxfileblks = SWAP_BE32 (HFC_MAXIMUM_FILESIZE / HFSTOVCB(hfsmp)->blockSize);
hotfileinfo->maxfilecnt = SWAP_BE32 (HFC_DEFAULT_FILE_COUNT);
- strcpy(hotfileinfo->tag, hfc_tag);
+ strlcpy((char *)hotfileinfo->tag, hfc_tag,
+ sizeof hotfileinfo->tag);
offset += kBTreeHeaderUserBytes;
index[(nodesize / 2) - 3] = SWAP_BE16 (offset);
index[(nodesize / 2) - 4] = SWAP_BE16 (offset);
vnode_setnoflush(vp);
- error = hfs_truncate(vp, (off_t)filesize, IO_NDELAY, 0, &context);
+ error = hfs_truncate(vp, (off_t)filesize, IO_NDELAY, 0, ctx);
if (error) {
printf("HFS: error %d growing HFBT on %s\n", error, HFSTOVCB(hfsmp)->vcbVN);
goto out;
args.a_vp = vp;
args.a_uio = auio;
args.a_ioflag = 0;
- args.a_context = &context;
+ args.a_context = ctx;
hfs_unlock(cp);
cp = NULL;
projects / apple / xnu.git / blobdiff