Merge with Kirk's version as of Feb 20

His version 9.23 == our version 1.5 of ffs_softdep.c
His version 9.5 ==  our version 1.4 of softdep.c
This commit is contained in:
Julian Elischer 1998-05-19 22:54:53 +00:00
parent 0e8f716d37
commit 46e752be05
3 changed files with 264 additions and 270 deletions

View File

@ -53,7 +53,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ffs_softdep.c 9.21 (McKusick) 2/15/98
* @(#)ffs_softdep.c 9.23 (McKusick) 2/20/98
*/
/*
@ -75,7 +75,6 @@
#include <sys/syslog.h>
#include <sys/systm.h>
#include <sys/vnode.h>
/*#include <machine/pcpu.h>*/
#include <miscfs/specfs/specdev.h>
#include <ufs/ufs/dir.h>
#include <ufs/ufs/quota.h>
@ -86,6 +85,74 @@
#include <ufs/ffs/ffs_extern.h>
#include <ufs/ufs/ufs_extern.h>
/*
* These definitions need to be adapted to the system to which
* this file is being ported.
*/
/*
* malloc types defined for the softdep system.
*/
MALLOC_DEFINE(M_PAGEDEP, "pagedep","File page dependencies");
MALLOC_DEFINE(M_INODEDEP, "inodedep","Inode dependencies");
MALLOC_DEFINE(M_NEWBLK, "newblk","New block allocation");
MALLOC_DEFINE(M_BMSAFEMAP, "bmsafemap","Block or frag allocated from cyl group map");
MALLOC_DEFINE(M_ALLOCDIRECT, "allocdirect","Block or frag dependency for an inode");
MALLOC_DEFINE(M_INDIRDEP, "indirdep","Indirect block dependencies");
MALLOC_DEFINE(M_ALLOCINDIR, "allocindir","Block dependency for an indirect block");
MALLOC_DEFINE(M_FREEFRAG, "freefrag","Previously used frag for an inode");
MALLOC_DEFINE(M_FREEBLKS, "freeblks","Blocks freed from an inode");
MALLOC_DEFINE(M_FREEFILE, "freefile","Inode deallocated");
MALLOC_DEFINE(M_DIRADD, "diradd","New directory entry");
MALLOC_DEFINE(M_MKDIR, "mkdir","New directory");
MALLOC_DEFINE(M_DIRREM, "dirrem","Directory entry deleted");
#define D_PAGEDEP 0
#define D_INODEDEP 1
#define D_NEWBLK 2
#define D_BMSAFEMAP 3
#define D_ALLOCDIRECT 4
#define D_INDIRDEP 5
#define D_ALLOCINDIR 6
#define D_FREEFRAG 7
#define D_FREEBLKS 8
#define D_FREEFILE 9
#define D_DIRADD 10
#define D_MKDIR 11
#define D_DIRREM 12
#define D_LAST D_DIRREM
/*
* translate from workitem type to memory type
* MUST match the defines above, such that memtype[D_XXX] == M_XXX
*/
static struct malloc_type *memtype[] = {
M_PAGEDEP,
M_INODEDEP,
M_NEWBLK,
M_BMSAFEMAP,
M_ALLOCDIRECT,
M_INDIRDEP,
M_ALLOCINDIR,
M_FREEFRAG,
M_FREEBLKS,
M_FREEFILE,
M_DIRADD,
M_MKDIR,
M_DIRREM
};
#define DtoM(type) (memtype[type])
/*
* Names of malloc types.
*/
#define TYPENAME(type) \
((unsigned)(type) < D_LAST ? memtype[type]->ks_shortdesc : "???")
#define CURPROC curproc
/*
* End system adaptaion definitions.
*/
/*
* Internal function prototypes.
*/
@ -144,65 +211,6 @@ struct bio_ops bioops = {
softdep_process_worklist, /* io_sync */
};
/*
* malloc types defined for the softdep system.
*/
MALLOC_DEFINE(M_PAGEDEP, "pagedep","File page dependencies");
MALLOC_DEFINE(M_INODEDEP, "inodedep","Inode dependencies");
MALLOC_DEFINE(M_NEWBLK, "newblk","New block allocation");
MALLOC_DEFINE(M_BMSAFEMAP, "bmsafemap","Block or frag allocated from cyl group map");
MALLOC_DEFINE(M_ALLOCDIRECT, "allocdirect","Block or frag dependency for an inode");
MALLOC_DEFINE(M_INDIRDEP, "indirdep","Indirect block dependencies");
MALLOC_DEFINE(M_ALLOCINDIR, "allocindir","Block dependency for an indirect block");
MALLOC_DEFINE(M_FREEFRAG, "freefrag","Previously used frag for an inode");
MALLOC_DEFINE(M_FREEBLKS, "freeblks","Blocks freed from an inode");
MALLOC_DEFINE(M_FREEFILE, "freefile","Inode deallocated");
MALLOC_DEFINE(M_DIRADD, "diradd","New directory entry");
MALLOC_DEFINE(M_MKDIR, "mkdir","New directory");
MALLOC_DEFINE(M_DIRREM, "dirrem","Directory entry deleted");
#define D_PAGEDEP 0
#define D_INODEDEP 1
#define D_NEWBLK 2
#define D_BMSAFEMAP 3
#define D_ALLOCDIRECT 4
#define D_INDIRDEP 5
#define D_ALLOCINDIR 6
#define D_FREEFRAG 7
#define D_FREEBLKS 8
#define D_FREEFILE 9
#define D_DIRADD 10
#define D_MKDIR 11
#define D_DIRREM 12
#define D_LAST D_DIRREM
/*
* translate from workitem type to memory type
* MUST match the defines above, such that memtype[D_XXX] == M_XXX
*/
static struct malloc_type *memtype[] = {
M_PAGEDEP,
M_INODEDEP,
M_NEWBLK,
M_BMSAFEMAP,
M_ALLOCDIRECT,
M_INDIRDEP,
M_ALLOCINDIR,
M_FREEFRAG,
M_FREEBLKS,
M_FREEFILE,
M_DIRADD,
M_MKDIR,
M_DIRREM
};
#define DtoM(type) (memtype[type])
/*
* Names of malloc types.
*/
#define TYPENAME(type) ((unsigned)(type) < D_LAST ? memtype[type]->ks_shortdesc : "???")
/*
* Locking primitives.
*
@ -250,12 +258,12 @@ acquire_lock(lk)
{
if (lk->lkt_held != -1)
if (lk->lkt_held == curproc->p_pid)
if (lk->lkt_held == CURPROC->p_pid)
panic("softdep_lock: locking against myself");
else
panic("softdep_lock: lock held by %d", lk->lkt_held);
lk->lkt_spl = splbio();
lk->lkt_held = curproc->p_pid;
lk->lkt_held = CURPROC->p_pid;
lockcnt++;
}
@ -276,12 +284,12 @@ acquire_lock_interlocked(lk)
{
if (lk->lkt_held != -1)
if (lk->lkt_held == curproc->p_pid)
if (lk->lkt_held == CURPROC->p_pid)
panic("softdep_lock_interlocked: locking against self");
else
panic("softdep_lock_interlocked: lock held by %d",
lk->lkt_held);
lk->lkt_held = curproc->p_pid;
lk->lkt_held = CURPROC->p_pid;
lockcnt++;
}
@ -340,7 +348,7 @@ sema_get(semap, interlock)
}
return (0);
}
semap->holder = curproc->p_pid;
semap->holder = CURPROC->p_pid;
if (interlock != NULL)
FREE_LOCK(interlock);
return (1);
@ -351,7 +359,7 @@ sema_release(semap)
struct sema *semap;
{
if (semap->value <= 0 || semap->holder != curproc->p_pid)
if (semap->value <= 0 || semap->holder != CURPROC->p_pid)
panic("sema_release: not held");
if (--semap->value > 0) {
semap->value = 0;
@ -445,10 +453,10 @@ SYSCTL_INT(_debug, OID_AUTO, tickdelay, CTLFLAG_RW, &tickdelay, 0, "");
SYSCTL_INT(_debug, OID_AUTO, max_limit_hit, CTLFLAG_RW, &max_limit_hit, 0, "");
SYSCTL_INT(_debug, OID_AUTO, rush_requests, CTLFLAG_RW, &rush_requests, 0, "");
#else /* !__FreeBSD__ */
struct ctldebug debug4 = { "max_softdeps", &max_softdeps };
struct ctldebug debug5 = { "tickdelay", &tickdelay };
struct ctldebug debug6 = { "max_limit_hit", &max_limit_hit };
struct ctldebug debug7 = { "rush_requests", &rush_requests };
struct ctldebug debug8 = { "max_softdeps", &max_softdeps };
struct ctldebug debug9 = { "tickdelay", &tickdelay };
struct ctldebug debug10 = { "max_limit_hit", &max_limit_hit };
struct ctldebug debug11 = { "rush_requests", &rush_requests };
#endif /* !__FreeBSD__ */
#endif /* DEBUG */
@ -490,7 +498,7 @@ int
softdep_process_worklist(matchmnt)
struct mount *matchmnt;
{
struct proc *p = curproc;
struct proc *p = CURPROC;
struct worklist *wk;
struct fs *matchfs;
int matchcnt;
@ -575,7 +583,7 @@ softdep_flushfiles(oldmnt, flags, p)
* Await our turn to clear out the queue.
*/
while (softdep_worklist_busy)
tsleep(&lbolt, PRIBIO, "sdflsh", 0);
tsleep(&lbolt, PRIBIO, "softflush", 0);
softdep_worklist_busy = 1;
if ((error = ffs_flushfiles(oldmnt, flags, p)) != 0) {
softdep_worklist_busy = 0;
@ -633,7 +641,7 @@ checklimit(resource, islocked)
long *resource;
int islocked;
{
struct proc *p = curproc;
struct proc *p = CURPROC;
/*
* If we are under our limit, just proceed.
@ -1677,8 +1685,6 @@ deallocate_dependencies(bp, inodedep)
struct pagedep *pagedep;
struct dirrem *dirrem;
struct diradd *dap;
long tmpsize;
caddr_t tmp;
int i;
while ((wk = LIST_FIRST(&bp->b_dep)) != NULL) {
@ -2132,13 +2138,9 @@ softdep_setup_directory_add(bp, dp, diroffset, newinum, newdirbp)
mkdir2->md_list.wk_type = D_MKDIR;
mkdir2->md_state = MKDIR_PARENT;
mkdir2->md_diradd = dap;
ACQUIRE_LOCK(&lk);
/*
* If this directory entry references a new directory, create
* its two additional dependencies: its "." and ".." being
* written to disk and the link count increase for its
* parent directory.
* Dependency on "." and ".." being written to disk.
*/
LIST_INSERT_HEAD(&mkdirlisthd, mkdir1, md_mkdirs);
WORKLIST_INSERT(&newdirbp->b_dep, &mkdir1->md_list);
@ -2468,7 +2470,7 @@ static void
handle_workitem_remove(dirrem)
struct dirrem *dirrem;
{
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
struct inodedep *inodedep;
struct vnode *vp;
struct inode *ip;
@ -3499,7 +3501,7 @@ softdep_fsync(vp)
struct inode *ip;
struct buf *bp;
struct fs *fs;
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
int error, ret, flushparent;
struct timeval tv;
ino_t parentino;
@ -3670,13 +3672,8 @@ softdep_sync_metadata(ap)
if (adp->ad_state & DEPCOMPLETE)
break;
nbp = adp->ad_buf;
if (getdirtybuf(&nbp, waitfor) == 0) {
#if 0 /* [JRE] I suspect this should be here XXX */
if (waitfor == MNT_NOWAIT)
continue;
#endif
if (getdirtybuf(&nbp, waitfor) == 0)
break;
}
FREE_LOCK(&lk);
if (waitfor == MNT_NOWAIT) {
bawrite(nbp);
@ -3917,7 +3914,7 @@ flush_pagedep_deps(pvp, mp, diraddhdp)
struct mount *mp;
struct diraddhd *diraddhdp;
{
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
struct inodedep *inodedep;
struct ufsmount *ump;
struct diradd *dap;
@ -4128,3 +4125,4 @@ softdep_error(func, error)
log(LOG_ERR, "%s: got error %d while accessing filesystem\n",
func, error);
}

View File

@ -53,7 +53,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ffs_softdep.c 9.21 (McKusick) 2/15/98
* @(#)ffs_softdep.c 9.23 (McKusick) 2/20/98
*/
/*
@ -75,7 +75,6 @@
#include <sys/syslog.h>
#include <sys/systm.h>
#include <sys/vnode.h>
/*#include <machine/pcpu.h>*/
#include <miscfs/specfs/specdev.h>
#include <ufs/ufs/dir.h>
#include <ufs/ufs/quota.h>
@ -86,6 +85,74 @@
#include <ufs/ffs/ffs_extern.h>
#include <ufs/ufs/ufs_extern.h>
/*
* These definitions need to be adapted to the system to which
* this file is being ported.
*/
/*
* malloc types defined for the softdep system.
*/
MALLOC_DEFINE(M_PAGEDEP, "pagedep","File page dependencies");
MALLOC_DEFINE(M_INODEDEP, "inodedep","Inode dependencies");
MALLOC_DEFINE(M_NEWBLK, "newblk","New block allocation");
MALLOC_DEFINE(M_BMSAFEMAP, "bmsafemap","Block or frag allocated from cyl group map");
MALLOC_DEFINE(M_ALLOCDIRECT, "allocdirect","Block or frag dependency for an inode");
MALLOC_DEFINE(M_INDIRDEP, "indirdep","Indirect block dependencies");
MALLOC_DEFINE(M_ALLOCINDIR, "allocindir","Block dependency for an indirect block");
MALLOC_DEFINE(M_FREEFRAG, "freefrag","Previously used frag for an inode");
MALLOC_DEFINE(M_FREEBLKS, "freeblks","Blocks freed from an inode");
MALLOC_DEFINE(M_FREEFILE, "freefile","Inode deallocated");
MALLOC_DEFINE(M_DIRADD, "diradd","New directory entry");
MALLOC_DEFINE(M_MKDIR, "mkdir","New directory");
MALLOC_DEFINE(M_DIRREM, "dirrem","Directory entry deleted");
#define D_PAGEDEP 0
#define D_INODEDEP 1
#define D_NEWBLK 2
#define D_BMSAFEMAP 3
#define D_ALLOCDIRECT 4
#define D_INDIRDEP 5
#define D_ALLOCINDIR 6
#define D_FREEFRAG 7
#define D_FREEBLKS 8
#define D_FREEFILE 9
#define D_DIRADD 10
#define D_MKDIR 11
#define D_DIRREM 12
#define D_LAST D_DIRREM
/*
* translate from workitem type to memory type
* MUST match the defines above, such that memtype[D_XXX] == M_XXX
*/
static struct malloc_type *memtype[] = {
M_PAGEDEP,
M_INODEDEP,
M_NEWBLK,
M_BMSAFEMAP,
M_ALLOCDIRECT,
M_INDIRDEP,
M_ALLOCINDIR,
M_FREEFRAG,
M_FREEBLKS,
M_FREEFILE,
M_DIRADD,
M_MKDIR,
M_DIRREM
};
#define DtoM(type) (memtype[type])
/*
* Names of malloc types.
*/
#define TYPENAME(type) \
((unsigned)(type) < D_LAST ? memtype[type]->ks_shortdesc : "???")
#define CURPROC curproc
/*
* End system adaptaion definitions.
*/
/*
* Internal function prototypes.
*/
@ -144,65 +211,6 @@ struct bio_ops bioops = {
softdep_process_worklist, /* io_sync */
};
/*
* malloc types defined for the softdep system.
*/
MALLOC_DEFINE(M_PAGEDEP, "pagedep","File page dependencies");
MALLOC_DEFINE(M_INODEDEP, "inodedep","Inode dependencies");
MALLOC_DEFINE(M_NEWBLK, "newblk","New block allocation");
MALLOC_DEFINE(M_BMSAFEMAP, "bmsafemap","Block or frag allocated from cyl group map");
MALLOC_DEFINE(M_ALLOCDIRECT, "allocdirect","Block or frag dependency for an inode");
MALLOC_DEFINE(M_INDIRDEP, "indirdep","Indirect block dependencies");
MALLOC_DEFINE(M_ALLOCINDIR, "allocindir","Block dependency for an indirect block");
MALLOC_DEFINE(M_FREEFRAG, "freefrag","Previously used frag for an inode");
MALLOC_DEFINE(M_FREEBLKS, "freeblks","Blocks freed from an inode");
MALLOC_DEFINE(M_FREEFILE, "freefile","Inode deallocated");
MALLOC_DEFINE(M_DIRADD, "diradd","New directory entry");
MALLOC_DEFINE(M_MKDIR, "mkdir","New directory");
MALLOC_DEFINE(M_DIRREM, "dirrem","Directory entry deleted");
#define D_PAGEDEP 0
#define D_INODEDEP 1
#define D_NEWBLK 2
#define D_BMSAFEMAP 3
#define D_ALLOCDIRECT 4
#define D_INDIRDEP 5
#define D_ALLOCINDIR 6
#define D_FREEFRAG 7
#define D_FREEBLKS 8
#define D_FREEFILE 9
#define D_DIRADD 10
#define D_MKDIR 11
#define D_DIRREM 12
#define D_LAST D_DIRREM
/*
* translate from workitem type to memory type
* MUST match the defines above, such that memtype[D_XXX] == M_XXX
*/
static struct malloc_type *memtype[] = {
M_PAGEDEP,
M_INODEDEP,
M_NEWBLK,
M_BMSAFEMAP,
M_ALLOCDIRECT,
M_INDIRDEP,
M_ALLOCINDIR,
M_FREEFRAG,
M_FREEBLKS,
M_FREEFILE,
M_DIRADD,
M_MKDIR,
M_DIRREM
};
#define DtoM(type) (memtype[type])
/*
* Names of malloc types.
*/
#define TYPENAME(type) ((unsigned)(type) < D_LAST ? memtype[type]->ks_shortdesc : "???")
/*
* Locking primitives.
*
@ -250,12 +258,12 @@ acquire_lock(lk)
{
if (lk->lkt_held != -1)
if (lk->lkt_held == curproc->p_pid)
if (lk->lkt_held == CURPROC->p_pid)
panic("softdep_lock: locking against myself");
else
panic("softdep_lock: lock held by %d", lk->lkt_held);
lk->lkt_spl = splbio();
lk->lkt_held = curproc->p_pid;
lk->lkt_held = CURPROC->p_pid;
lockcnt++;
}
@ -276,12 +284,12 @@ acquire_lock_interlocked(lk)
{
if (lk->lkt_held != -1)
if (lk->lkt_held == curproc->p_pid)
if (lk->lkt_held == CURPROC->p_pid)
panic("softdep_lock_interlocked: locking against self");
else
panic("softdep_lock_interlocked: lock held by %d",
lk->lkt_held);
lk->lkt_held = curproc->p_pid;
lk->lkt_held = CURPROC->p_pid;
lockcnt++;
}
@ -340,7 +348,7 @@ sema_get(semap, interlock)
}
return (0);
}
semap->holder = curproc->p_pid;
semap->holder = CURPROC->p_pid;
if (interlock != NULL)
FREE_LOCK(interlock);
return (1);
@ -351,7 +359,7 @@ sema_release(semap)
struct sema *semap;
{
if (semap->value <= 0 || semap->holder != curproc->p_pid)
if (semap->value <= 0 || semap->holder != CURPROC->p_pid)
panic("sema_release: not held");
if (--semap->value > 0) {
semap->value = 0;
@ -445,10 +453,10 @@ SYSCTL_INT(_debug, OID_AUTO, tickdelay, CTLFLAG_RW, &tickdelay, 0, "");
SYSCTL_INT(_debug, OID_AUTO, max_limit_hit, CTLFLAG_RW, &max_limit_hit, 0, "");
SYSCTL_INT(_debug, OID_AUTO, rush_requests, CTLFLAG_RW, &rush_requests, 0, "");
#else /* !__FreeBSD__ */
struct ctldebug debug4 = { "max_softdeps", &max_softdeps };
struct ctldebug debug5 = { "tickdelay", &tickdelay };
struct ctldebug debug6 = { "max_limit_hit", &max_limit_hit };
struct ctldebug debug7 = { "rush_requests", &rush_requests };
struct ctldebug debug8 = { "max_softdeps", &max_softdeps };
struct ctldebug debug9 = { "tickdelay", &tickdelay };
struct ctldebug debug10 = { "max_limit_hit", &max_limit_hit };
struct ctldebug debug11 = { "rush_requests", &rush_requests };
#endif /* !__FreeBSD__ */
#endif /* DEBUG */
@ -490,7 +498,7 @@ int
softdep_process_worklist(matchmnt)
struct mount *matchmnt;
{
struct proc *p = curproc;
struct proc *p = CURPROC;
struct worklist *wk;
struct fs *matchfs;
int matchcnt;
@ -575,7 +583,7 @@ softdep_flushfiles(oldmnt, flags, p)
* Await our turn to clear out the queue.
*/
while (softdep_worklist_busy)
tsleep(&lbolt, PRIBIO, "sdflsh", 0);
tsleep(&lbolt, PRIBIO, "softflush", 0);
softdep_worklist_busy = 1;
if ((error = ffs_flushfiles(oldmnt, flags, p)) != 0) {
softdep_worklist_busy = 0;
@ -633,7 +641,7 @@ checklimit(resource, islocked)
long *resource;
int islocked;
{
struct proc *p = curproc;
struct proc *p = CURPROC;
/*
* If we are under our limit, just proceed.
@ -1677,8 +1685,6 @@ deallocate_dependencies(bp, inodedep)
struct pagedep *pagedep;
struct dirrem *dirrem;
struct diradd *dap;
long tmpsize;
caddr_t tmp;
int i;
while ((wk = LIST_FIRST(&bp->b_dep)) != NULL) {
@ -2132,13 +2138,9 @@ softdep_setup_directory_add(bp, dp, diroffset, newinum, newdirbp)
mkdir2->md_list.wk_type = D_MKDIR;
mkdir2->md_state = MKDIR_PARENT;
mkdir2->md_diradd = dap;
ACQUIRE_LOCK(&lk);
/*
* If this directory entry references a new directory, create
* its two additional dependencies: its "." and ".." being
* written to disk and the link count increase for its
* parent directory.
* Dependency on "." and ".." being written to disk.
*/
LIST_INSERT_HEAD(&mkdirlisthd, mkdir1, md_mkdirs);
WORKLIST_INSERT(&newdirbp->b_dep, &mkdir1->md_list);
@ -2468,7 +2470,7 @@ static void
handle_workitem_remove(dirrem)
struct dirrem *dirrem;
{
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
struct inodedep *inodedep;
struct vnode *vp;
struct inode *ip;
@ -3499,7 +3501,7 @@ softdep_fsync(vp)
struct inode *ip;
struct buf *bp;
struct fs *fs;
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
int error, ret, flushparent;
struct timeval tv;
ino_t parentino;
@ -3670,13 +3672,8 @@ softdep_sync_metadata(ap)
if (adp->ad_state & DEPCOMPLETE)
break;
nbp = adp->ad_buf;
if (getdirtybuf(&nbp, waitfor) == 0) {
#if 0 /* [JRE] I suspect this should be here XXX */
if (waitfor == MNT_NOWAIT)
continue;
#endif
if (getdirtybuf(&nbp, waitfor) == 0)
break;
}
FREE_LOCK(&lk);
if (waitfor == MNT_NOWAIT) {
bawrite(nbp);
@ -3917,7 +3914,7 @@ flush_pagedep_deps(pvp, mp, diraddhdp)
struct mount *mp;
struct diraddhd *diraddhdp;
{
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
struct inodedep *inodedep;
struct ufsmount *ump;
struct diradd *dap;
@ -4128,3 +4125,4 @@ softdep_error(func, error)
log(LOG_ERR, "%s: got error %d while accessing filesystem\n",
func, error);
}

View File

@ -53,7 +53,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ffs_softdep.c 9.21 (McKusick) 2/15/98
* @(#)ffs_softdep.c 9.23 (McKusick) 2/20/98
*/
/*
@ -75,7 +75,6 @@
#include <sys/syslog.h>
#include <sys/systm.h>
#include <sys/vnode.h>
/*#include <machine/pcpu.h>*/
#include <miscfs/specfs/specdev.h>
#include <ufs/ufs/dir.h>
#include <ufs/ufs/quota.h>
@ -86,6 +85,74 @@
#include <ufs/ffs/ffs_extern.h>
#include <ufs/ufs/ufs_extern.h>
/*
* These definitions need to be adapted to the system to which
* this file is being ported.
*/
/*
* malloc types defined for the softdep system.
*/
MALLOC_DEFINE(M_PAGEDEP, "pagedep","File page dependencies");
MALLOC_DEFINE(M_INODEDEP, "inodedep","Inode dependencies");
MALLOC_DEFINE(M_NEWBLK, "newblk","New block allocation");
MALLOC_DEFINE(M_BMSAFEMAP, "bmsafemap","Block or frag allocated from cyl group map");
MALLOC_DEFINE(M_ALLOCDIRECT, "allocdirect","Block or frag dependency for an inode");
MALLOC_DEFINE(M_INDIRDEP, "indirdep","Indirect block dependencies");
MALLOC_DEFINE(M_ALLOCINDIR, "allocindir","Block dependency for an indirect block");
MALLOC_DEFINE(M_FREEFRAG, "freefrag","Previously used frag for an inode");
MALLOC_DEFINE(M_FREEBLKS, "freeblks","Blocks freed from an inode");
MALLOC_DEFINE(M_FREEFILE, "freefile","Inode deallocated");
MALLOC_DEFINE(M_DIRADD, "diradd","New directory entry");
MALLOC_DEFINE(M_MKDIR, "mkdir","New directory");
MALLOC_DEFINE(M_DIRREM, "dirrem","Directory entry deleted");
#define D_PAGEDEP 0
#define D_INODEDEP 1
#define D_NEWBLK 2
#define D_BMSAFEMAP 3
#define D_ALLOCDIRECT 4
#define D_INDIRDEP 5
#define D_ALLOCINDIR 6
#define D_FREEFRAG 7
#define D_FREEBLKS 8
#define D_FREEFILE 9
#define D_DIRADD 10
#define D_MKDIR 11
#define D_DIRREM 12
#define D_LAST D_DIRREM
/*
* translate from workitem type to memory type
* MUST match the defines above, such that memtype[D_XXX] == M_XXX
*/
static struct malloc_type *memtype[] = {
M_PAGEDEP,
M_INODEDEP,
M_NEWBLK,
M_BMSAFEMAP,
M_ALLOCDIRECT,
M_INDIRDEP,
M_ALLOCINDIR,
M_FREEFRAG,
M_FREEBLKS,
M_FREEFILE,
M_DIRADD,
M_MKDIR,
M_DIRREM
};
#define DtoM(type) (memtype[type])
/*
* Names of malloc types.
*/
#define TYPENAME(type) \
((unsigned)(type) < D_LAST ? memtype[type]->ks_shortdesc : "???")
#define CURPROC curproc
/*
* End system adaptaion definitions.
*/
/*
* Internal function prototypes.
*/
@ -144,65 +211,6 @@ struct bio_ops bioops = {
softdep_process_worklist, /* io_sync */
};
/*
* malloc types defined for the softdep system.
*/
MALLOC_DEFINE(M_PAGEDEP, "pagedep","File page dependencies");
MALLOC_DEFINE(M_INODEDEP, "inodedep","Inode dependencies");
MALLOC_DEFINE(M_NEWBLK, "newblk","New block allocation");
MALLOC_DEFINE(M_BMSAFEMAP, "bmsafemap","Block or frag allocated from cyl group map");
MALLOC_DEFINE(M_ALLOCDIRECT, "allocdirect","Block or frag dependency for an inode");
MALLOC_DEFINE(M_INDIRDEP, "indirdep","Indirect block dependencies");
MALLOC_DEFINE(M_ALLOCINDIR, "allocindir","Block dependency for an indirect block");
MALLOC_DEFINE(M_FREEFRAG, "freefrag","Previously used frag for an inode");
MALLOC_DEFINE(M_FREEBLKS, "freeblks","Blocks freed from an inode");
MALLOC_DEFINE(M_FREEFILE, "freefile","Inode deallocated");
MALLOC_DEFINE(M_DIRADD, "diradd","New directory entry");
MALLOC_DEFINE(M_MKDIR, "mkdir","New directory");
MALLOC_DEFINE(M_DIRREM, "dirrem","Directory entry deleted");
#define D_PAGEDEP 0
#define D_INODEDEP 1
#define D_NEWBLK 2
#define D_BMSAFEMAP 3
#define D_ALLOCDIRECT 4
#define D_INDIRDEP 5
#define D_ALLOCINDIR 6
#define D_FREEFRAG 7
#define D_FREEBLKS 8
#define D_FREEFILE 9
#define D_DIRADD 10
#define D_MKDIR 11
#define D_DIRREM 12
#define D_LAST D_DIRREM
/*
* translate from workitem type to memory type
* MUST match the defines above, such that memtype[D_XXX] == M_XXX
*/
static struct malloc_type *memtype[] = {
M_PAGEDEP,
M_INODEDEP,
M_NEWBLK,
M_BMSAFEMAP,
M_ALLOCDIRECT,
M_INDIRDEP,
M_ALLOCINDIR,
M_FREEFRAG,
M_FREEBLKS,
M_FREEFILE,
M_DIRADD,
M_MKDIR,
M_DIRREM
};
#define DtoM(type) (memtype[type])
/*
* Names of malloc types.
*/
#define TYPENAME(type) ((unsigned)(type) < D_LAST ? memtype[type]->ks_shortdesc : "???")
/*
* Locking primitives.
*
@ -250,12 +258,12 @@ acquire_lock(lk)
{
if (lk->lkt_held != -1)
if (lk->lkt_held == curproc->p_pid)
if (lk->lkt_held == CURPROC->p_pid)
panic("softdep_lock: locking against myself");
else
panic("softdep_lock: lock held by %d", lk->lkt_held);
lk->lkt_spl = splbio();
lk->lkt_held = curproc->p_pid;
lk->lkt_held = CURPROC->p_pid;
lockcnt++;
}
@ -276,12 +284,12 @@ acquire_lock_interlocked(lk)
{
if (lk->lkt_held != -1)
if (lk->lkt_held == curproc->p_pid)
if (lk->lkt_held == CURPROC->p_pid)
panic("softdep_lock_interlocked: locking against self");
else
panic("softdep_lock_interlocked: lock held by %d",
lk->lkt_held);
lk->lkt_held = curproc->p_pid;
lk->lkt_held = CURPROC->p_pid;
lockcnt++;
}
@ -340,7 +348,7 @@ sema_get(semap, interlock)
}
return (0);
}
semap->holder = curproc->p_pid;
semap->holder = CURPROC->p_pid;
if (interlock != NULL)
FREE_LOCK(interlock);
return (1);
@ -351,7 +359,7 @@ sema_release(semap)
struct sema *semap;
{
if (semap->value <= 0 || semap->holder != curproc->p_pid)
if (semap->value <= 0 || semap->holder != CURPROC->p_pid)
panic("sema_release: not held");
if (--semap->value > 0) {
semap->value = 0;
@ -445,10 +453,10 @@ SYSCTL_INT(_debug, OID_AUTO, tickdelay, CTLFLAG_RW, &tickdelay, 0, "");
SYSCTL_INT(_debug, OID_AUTO, max_limit_hit, CTLFLAG_RW, &max_limit_hit, 0, "");
SYSCTL_INT(_debug, OID_AUTO, rush_requests, CTLFLAG_RW, &rush_requests, 0, "");
#else /* !__FreeBSD__ */
struct ctldebug debug4 = { "max_softdeps", &max_softdeps };
struct ctldebug debug5 = { "tickdelay", &tickdelay };
struct ctldebug debug6 = { "max_limit_hit", &max_limit_hit };
struct ctldebug debug7 = { "rush_requests", &rush_requests };
struct ctldebug debug8 = { "max_softdeps", &max_softdeps };
struct ctldebug debug9 = { "tickdelay", &tickdelay };
struct ctldebug debug10 = { "max_limit_hit", &max_limit_hit };
struct ctldebug debug11 = { "rush_requests", &rush_requests };
#endif /* !__FreeBSD__ */
#endif /* DEBUG */
@ -490,7 +498,7 @@ int
softdep_process_worklist(matchmnt)
struct mount *matchmnt;
{
struct proc *p = curproc;
struct proc *p = CURPROC;
struct worklist *wk;
struct fs *matchfs;
int matchcnt;
@ -575,7 +583,7 @@ softdep_flushfiles(oldmnt, flags, p)
* Await our turn to clear out the queue.
*/
while (softdep_worklist_busy)
tsleep(&lbolt, PRIBIO, "sdflsh", 0);
tsleep(&lbolt, PRIBIO, "softflush", 0);
softdep_worklist_busy = 1;
if ((error = ffs_flushfiles(oldmnt, flags, p)) != 0) {
softdep_worklist_busy = 0;
@ -633,7 +641,7 @@ checklimit(resource, islocked)
long *resource;
int islocked;
{
struct proc *p = curproc;
struct proc *p = CURPROC;
/*
* If we are under our limit, just proceed.
@ -1677,8 +1685,6 @@ deallocate_dependencies(bp, inodedep)
struct pagedep *pagedep;
struct dirrem *dirrem;
struct diradd *dap;
long tmpsize;
caddr_t tmp;
int i;
while ((wk = LIST_FIRST(&bp->b_dep)) != NULL) {
@ -2132,13 +2138,9 @@ softdep_setup_directory_add(bp, dp, diroffset, newinum, newdirbp)
mkdir2->md_list.wk_type = D_MKDIR;
mkdir2->md_state = MKDIR_PARENT;
mkdir2->md_diradd = dap;
ACQUIRE_LOCK(&lk);
/*
* If this directory entry references a new directory, create
* its two additional dependencies: its "." and ".." being
* written to disk and the link count increase for its
* parent directory.
* Dependency on "." and ".." being written to disk.
*/
LIST_INSERT_HEAD(&mkdirlisthd, mkdir1, md_mkdirs);
WORKLIST_INSERT(&newdirbp->b_dep, &mkdir1->md_list);
@ -2468,7 +2470,7 @@ static void
handle_workitem_remove(dirrem)
struct dirrem *dirrem;
{
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
struct inodedep *inodedep;
struct vnode *vp;
struct inode *ip;
@ -3499,7 +3501,7 @@ softdep_fsync(vp)
struct inode *ip;
struct buf *bp;
struct fs *fs;
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
int error, ret, flushparent;
struct timeval tv;
ino_t parentino;
@ -3670,13 +3672,8 @@ softdep_sync_metadata(ap)
if (adp->ad_state & DEPCOMPLETE)
break;
nbp = adp->ad_buf;
if (getdirtybuf(&nbp, waitfor) == 0) {
#if 0 /* [JRE] I suspect this should be here XXX */
if (waitfor == MNT_NOWAIT)
continue;
#endif
if (getdirtybuf(&nbp, waitfor) == 0)
break;
}
FREE_LOCK(&lk);
if (waitfor == MNT_NOWAIT) {
bawrite(nbp);
@ -3917,7 +3914,7 @@ flush_pagedep_deps(pvp, mp, diraddhdp)
struct mount *mp;
struct diraddhd *diraddhdp;
{
struct proc *p = curproc; /* XXX */
struct proc *p = CURPROC; /* XXX */
struct inodedep *inodedep;
struct ufsmount *ump;
struct diradd *dap;
@ -4128,3 +4125,4 @@ softdep_error(func, error)
log(LOG_ERR, "%s: got error %d while accessing filesystem\n",
func, error);
}