Commit Graph

108 Commits

Author SHA1 Message Date
chs a4f1bc813a pick up changes from ufs_balloc_range(). 2001-11-30 07:06:19 +00:00
chs 9958c29316 VOP_PUTPAGES() requires page-aligned offsets, so be sure to provide such.
fixes PR 14759.

(while I'm here, call VOP_PUTPAGES() directly instead of indirecting through
the UVM pager op vector.)
2001-11-30 07:05:53 +00:00
chs dc4cf974e0 track some changes in the ufs code:
update UVM's notion of the file size in *_write() rather than
*_balloc().
2001-11-10 17:48:02 +00:00
chs c237f81065 update to track ufs_bmap.c:
don't call ufs_getlbns() for direct blocks.
2001-11-10 17:46:23 +00:00
lukem ec6245465a add RCSID 2001-11-08 02:39:06 +00:00
simonb c56d879335 Remove some variables that are set but never used. 2001-11-06 07:11:29 +00:00
simonb 915441c64b Use the sector size from the partition info, not a hard-coded value. 2001-11-06 07:09:39 +00:00
simonb ecf09baab6 Remove a variable that is set but never used. 2001-11-06 07:08:09 +00:00
simonb bb57e2c53c Remove some bogus checks for unsigned variables < 0. 2001-11-06 06:59:05 +00:00
lukem 99147a7648 remove #include <ufs/ufs/quota.h> where it was just to appease
<ufs/ufs/inode.h>, since the latter now includes the former.  leave the former
in source that obviously uses specific bits of it (for completeness.)
2001-10-26 05:56:06 +00:00
chs 520b477a5a check early for reads beyond EOF. 2001-09-22 22:44:08 +00:00
sommerfeld 181c4513dc Add fifo_putpages() placebo so that the vnode's uobj is unlocked. 2001-09-22 22:35:18 +00:00
chs 64c6d1d2dc a whole bunch of changes to improve performance and robustness under load:
- remove special treatment of pager_map mappings in pmaps.  this is
   required now, since I've removed the globals that expose the address range.
   pager_map now uses pmap_kenter_pa() instead of pmap_enter(), so there's
   no longer any need to special-case it.
 - eliminate struct uvm_vnode by moving its fields into struct vnode.
 - rewrite the pageout path.  the pager is now responsible for handling the
   high-level requests instead of only getting control after a bunch of work
   has already been done on its behalf.  this will allow us to UBCify LFS,
   which needs tighter control over its pages than other filesystems do.
   writing a page to disk no longer requires making it read-only, which
   allows us to write wired pages without causing all kinds of havoc.
 - use a new PG_PAGEOUT flag to indicate that a page should be freed
   on behalf of the pagedaemon when it's unlocked.  this flag is very similar
   to PG_RELEASED, but unlike PG_RELEASED, PG_PAGEOUT can be cleared if the
   pageout fails due to eg. an indirect-block buffer being locked.
   this allows us to remove the "version" field from struct vm_page,
   and together with shrinking "loan_count" from 32 bits to 16,
   struct vm_page is now 4 bytes smaller.
 - no longer use PG_RELEASED for swap-backed pages.  if the page is busy
   because it's being paged out, we can't release the swap slot to be
   reallocated until that write is complete, but unlike with vnodes we
   don't keep a count of in-progress writes so there's no good way to
   know when the write is done.  instead, when we need to free a busy
   swap-backed page, just sleep until we can get it busy ourselves.
 - implement a fast-path for extending writes which allows us to avoid
   zeroing new pages.  this substantially reduces cpu usage.
 - encapsulate the data used by the genfs code in a struct genfs_node,
   which must be the first element of the filesystem-specific vnode data
   for filesystems which use genfs_{get,put}pages().
 - eliminate many of the UVM pagerops, since they aren't needed anymore
   now that the pager "put" operation is a higher-level operation.
 - enhance the genfs code to allow NFS to use the genfs_{get,put}pages
   instead of a modified copy.
 - clean up struct vnode by removing all the fields that used to be used by
   the vfs_cluster.c code (which we don't use anymore with UBC).
 - remove kmem_object and mb_object since they were useless.
   instead of allocating pages to these objects, we now just allocate
   pages with no object.  such pages are mapped in the kernel until they
   are freed, so we can use the mapping to find the page to free it.
   this allows us to remove splvm() protection in several places.

The sum of all these changes improves write throughput on my
decstation 5000/200 to within 1% of the rate of NetBSD 1.5
and reduces the elapsed time for "make release" of a NetBSD 1.5
source tree on my 128MB pc to 10% less than a 1.5 kernel took.
2001-09-15 20:36:31 +00:00
chs adf5d360a7 add a new VFS op, vfs_reinit, which is called when desiredvnodes is
adjusted via sysctl.  file systems that have hash tables which are
sized based on the value of this variable now resize those hash tables
using the new value.  the max number of FFS softdeps is also recalculated.

convert various file systems to use the <sys/queue.h> macros for
their hash tables.
2001-09-15 16:12:54 +00:00
wiz 251b3464be heirarchy -> hierarchy 2001-08-24 10:24:45 +00:00
chs f0af9f581b add getpages/putpages entries for spec vnodes. 2001-08-17 05:54:36 +00:00
assar bec71dc090 change vop_symlink and vop_mknod to return vpp (the created node)
refed, so that the caller can actually use it.  update callers and
file systems that implement these vnode operations
2001-07-24 15:39:30 +00:00
toshii 4866f1a22b Fix typo. s/extention/extension/ 2001-07-05 08:38:24 +00:00
chs c31ab668df in ext2fs_balloc_range(), clear PG_RDONLY on pages which now have backing store. 2001-07-04 21:16:01 +00:00
wiz f3f6c5b675 `accessible' only has one `a'. 2001-06-19 12:52:20 +00:00
mrg 67afbd6270 use _KERNEL_OPT 2001-05-30 11:57:16 +00:00
fvdl ad5dcb280f Same change as in the UFS code: unlock vnode before setting v_op
to spec_vnode_ops. From Bill Studenmund.
2001-03-23 21:10:48 +00:00
chs 060e70db41 min() -> MIN(), max() -> MAX().
fixes more problems with file offsets > 4GB.
2001-02-27 04:37:44 +00:00
chs 5e3caa8b52 skip truncating a file to 0 before freeing it if it's already zero-length. 2001-02-18 20:17:04 +00:00
tsutsui ec8b1c000e Fix nested extern declaration of prtactive. 2001-02-07 12:40:43 +00:00
jdolecek d9466585b7 make filesystem vnodeop, specop, fifoop and vnodeopv_* arrays const 2001-01-22 12:17:35 +00:00
chs 3a5e4f901b in *_sync(), don't skip vnodes which have (potentially dirty) pages. 2000-12-10 19:36:31 +00:00
chs 1c89ab39ad redo ext2fs_balloc_range(), accounting for differences between ext2fs and ffs. 2000-12-10 06:38:31 +00:00
chs b3dcb62708 fix merge error: ext2fs uses a custom balloc rather than a VOP-style one. 2000-12-01 07:02:40 +00:00
chs aeda8d3b77 Initial integration of the Unified Buffer Cache project. 2000-11-27 08:39:39 +00:00
fvdl db4108490a Adapt for VOP_FSYNC parameter change. 2000-09-19 22:01:59 +00:00
thorpej 7cc27a88c0 Convert namei pathname buffer allocation to use the pool allocator. 2000-08-03 20:41:05 +00:00
thorpej f0dca1ecbe MALLOC()/FREE() are not to be used for variable sized allocations. 2000-08-03 20:29:26 +00:00
mycroft bd58d06c50 Need string.h for memset() prototype. 2000-07-24 00:23:10 +00:00
jdolecek b0fb24279c change the lf_advlock() arguments from
int     lf_advlock __P((struct lockf **,
           off_t, caddr_t, int, struct flock *, int));
to

int     lf_advlock __P((struct vop_advlock_args *, struct lockf **, off_t));

This matches common usage and is also compatible with similar change
in FreeBSD (though they use u_quad_t as last arg).
2000-07-22 15:26:11 +00:00
jdolecek 166a3f16dd ext2fs_reload(), ext2fs_mountfs(): do devvp locking same way as ffs
this has not shown any good or bad effect, but might help narrow
some problems people seen with ext2fs reload (hi Soren!)
2000-07-22 14:49:17 +00:00
fvdl fa78158b15 Rearrange code around getnewvnode as was already done for ffs, to avoid
locking against oneself because getnewvnode recycles a softdep-using vnode.
2000-06-30 20:45:38 +00:00
mrg 419501093a remove include of <vm/vm.h> and <uvm/uvm_extern.h> 2000-06-28 14:16:37 +00:00
mycroft 719d6db0e2 Adjust where IN_MODIFIED and IN_ACCESSED are cleared (as in the FFS code). 2000-05-30 19:09:44 +00:00
mycroft 33ec489188 Pull in IN_ACCESSED changes and some MNT_LAZY `bug fixes' from FFS. 2000-05-29 18:34:36 +00:00
mycroft dad58e313b Pull in indirect block unwind code from FFS. 2000-05-28 08:44:32 +00:00
mycroft 4656dfd24f Add a new function to remove extra buffers when truncating a file. This is
more generic than the vinvalbuf(V_SAVEMETA) case, avoiding synchronous
operations when truncating to a non-zero length.
2000-05-28 04:13:56 +00:00
thorpej f636538446 NULL != 0 2000-05-19 04:34:39 +00:00
bouyer 1900598507 Sync copyrigth notice. 2000-05-15 08:51:55 +00:00
perseant f0728fdce1 Change the sementics of the last parameter from a boolean ("waitfor") to
a set of flags ("flags").  Two flags are defined, UPDATE_WAIT and
UPDATE_DIROP.

Under the old semantics, VOP_UPDATE would block if waitfor were set,
under the assumption that directory operations should be done
synchronously.  At least LFS and FFS+softdep do not make this
assumption; FFS+softdep got around the problem by enclosing all relevant
calls to VOP_UPDATE in a "if(!DOINGSOFTDEP(vp))", while LFS simply
ignored waitfor, one of the reasons why NFS-serving an LFS filesystem
did not work properly.

Under the new semantics, the UPDATE_DIROP flag is a hint to the
fs-specific update routine that the call comes from a dirop routine, and
should be wait for, or not, accordingly.

Closes PR#8996.
2000-05-13 23:43:06 +00:00
augustss 169ac5b3c1 Remove register declarations. 2000-03-30 12:41:09 +00:00
thorpej fa7d868ade Small cosmetic change. 2000-03-22 01:03:33 +00:00
jdolecek 89015c4648 Add new VFS op routine - vfs_done and call it on filesystem detach
in vfs_detach(). vfs_done may free global filesystem's resources,
typically those allocated in respective filesystem's init function.
Needed so those filesystems which went in via LKM have a chance to
clean after themselves before unloading. This fixes random panics
when LKM for filesystem using pools was loaded and unloaded several
times.

For each leaf filesystem, add appropriate vfs_done routine.
2000-03-16 18:08:17 +00:00
bouyer 425e99ac00 Check that we can handle the inode size before mounting the fs, and correct
a return value.
2000-01-31 11:34:55 +00:00
bouyer be4a409b30 Correct (minor) bogons in filetype option support, and add support
for sparse_super option
2000-01-28 16:00:23 +00:00