The NetBSD Project

CVS log for src/sys/fs/nilfs/nilfs_vnops.c

[BACK] Up to [cvs.NetBSD.org] / src / sys / fs / nilfs

Request diff between arbitrary revisions


Default branch: MAIN


Revision 1.48 / (download) - annotate - [select for diffs], Fri Oct 7 22:33:42 2022 UTC (3 months, 3 weeks ago) by andvar
Branch: MAIN
CVS Tags: netbsd-10-base, netbsd-10, HEAD
Changes since 1.47: +4 -4 lines
Diff to previous 1.47 (colored)

fix few typos in comments.

Revision 1.47 / (download) - annotate - [select for diffs], Sat May 28 21:14:56 2022 UTC (8 months ago) by andvar
Branch: MAIN
CVS Tags: bouyer-sunxi-drm-base, bouyer-sunxi-drm
Changes since 1.46: +3 -3 lines
Diff to previous 1.46 (colored)

fix various typos in comments, mainly origional->original,
extened->extended, incomming->incoming.

Revision 1.46 / (download) - annotate - [select for diffs], Sun Apr 10 09:50:45 2022 UTC (9 months, 3 weeks ago) by andvar
Branch: MAIN
Changes since 1.45: +3 -3 lines
Diff to previous 1.45 (colored)

fix various typos in comments and output/log messages.

Revision 1.45 / (download) - annotate - [select for diffs], Wed Oct 20 03:08:17 2021 UTC (15 months, 1 week ago) by thorpej
Branch: MAIN
Changes since 1.44: +6 -18 lines
Diff to previous 1.44 (colored)

Overhaul of the EVFILT_VNODE kevent(2) filter:

- Centralize vnode kevent handling in the VOP_*() wrappers, rather than
  forcing each individual file system to deal with it (except VOP_RENAME(),
  because VOP_RENAME() is a mess and we currently have 2 different ways
  of handling it; at least it's reasonably well-centralized in the "new"
  way).
- Add support for NOTE_OPEN, NOTE_CLOSE, NOTE_CLOSE_WRITE, and NOTE_READ,
  compatible with the same events in FreeBSD.
- Track which kevent notifications clients are interested in receiving
  to avoid doing work for events no one cares about (avoiding, e.g.
  taking locks and traversing the klist to send a NOTE_WRITE when
  someone is merely watching for a file to be deleted, for example).

In support of the above:

- Add support in vnode_if.sh for specifying PRE- and POST-op handlers,
  to be invoked before and after vop_pre() and vop_post(), respectively.
  Basic idea from FreeBSD, but implemented differently.
- Add support in vnode_if.sh for specifying CONTEXT fields in the
  vop_*_args structures.  These context fields are used to convey information
  between the file system VOP function and the VOP wrapper, but do not
  occupy an argument slot in the VOP_*() call itself.  These context fields
  are initialized and subsequently interpreted by PRE- and POST-op handlers.
- Version VOP_REMOVE(), uses the a context field for the file system to report
  back the resulting link count of the target vnode.  Return this in tmpfs,
  udf, nfs, chfs, ext2fs, lfs, and ufs.

NetBSD 9.99.92.

Revision 1.42.6.1 / (download) - annotate - [select for diffs], Sun Aug 1 22:42:36 2021 UTC (17 months, 4 weeks ago) by thorpej
Branch: thorpej-i2c-spi-conf
Changes since 1.42: +4 -3 lines
Diff to previous 1.42 (colored) next main 1.43 (colored)

Sync with HEAD.

Revision 1.44 / (download) - annotate - [select for diffs], Sat Jul 24 21:31:38 2021 UTC (18 months, 1 week ago) by andvar
Branch: MAIN
CVS Tags: thorpej-i2c-spi-conf2-base, thorpej-i2c-spi-conf2, thorpej-i2c-spi-conf-base, thorpej-futex2-base, thorpej-futex2, thorpej-cfargs2-base, thorpej-cfargs2
Changes since 1.43: +3 -3 lines
Diff to previous 1.43 (colored)

Fix all remaining typos, mainly in comments but also in few definitions and log messages, reported by me in PR kern/54889.
Also fixed some additional typos in comments, found on review of same files or typos.

Revision 1.43 / (download) - annotate - [select for diffs], Tue Jun 29 22:34:07 2021 UTC (19 months ago) by dholland
Branch: MAIN
Changes since 1.42: +3 -2 lines
Diff to previous 1.42 (colored)

- Add a new vnode op: VOP_PARSEPATH.
 - Move namei_getcomponent to genfs_vnops.c and call it genfs_parsepath.
 - Add a parsepath entry to every vnode ops table.

VOP_PARSEPATH takes a directory vnode to be searched and a complete
following path and chooses how much of that path to consume. To begin
with, all parsepath calls are genfs_parsepath, which locates the first
'/' as always.

Note that the call doesn't take the whole struct componentname, only
the string. The other bits of struct componentname should not be
needed and there's no reason to cause potential complications by
exposing them.

Revision 1.42 / (download) - annotate - [select for diffs], Sat Jun 27 17:29:18 2020 UTC (2 years, 7 months ago) by christos
Branch: MAIN
CVS Tags: thorpej-futex-base, thorpej-futex, thorpej-cfargs-base, thorpej-cfargs, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x
Branch point for: thorpej-i2c-spi-conf
Changes since 1.41: +4 -4 lines
Diff to previous 1.41 (colored)

Introduce genfs_pathconf() and use it for the default case in all filesystems.

Revision 1.41 / (download) - annotate - [select for diffs], Sat May 16 18:31:49 2020 UTC (2 years, 8 months ago) by christos
Branch: MAIN
Changes since 1.40: +14 -13 lines
Diff to previous 1.40 (colored)

Add ACL support for FFS. From FreeBSD.

Revision 1.38.6.2 / (download) - annotate - [select for diffs], Sat Apr 25 11:24:05 2020 UTC (2 years, 9 months ago) by bouyer
Branch: bouyer-xenpvh
Changes since 1.38.6.1: +4 -4 lines
Diff to previous 1.38.6.1 (colored) to branchpoint 1.38 (colored) next main 1.39 (colored)

Sync with bouyer-xenpvh-base2 (HEAD)

Revision 1.40 / (download) - annotate - [select for diffs], Thu Apr 23 21:47:07 2020 UTC (2 years, 9 months ago) by ad
Branch: MAIN
CVS Tags: bouyer-xenpvh-base2
Changes since 1.39: +4 -4 lines
Diff to previous 1.39 (colored)

PR kern/54759 (vm.ubc_direct deadlock when read()/write() into mapping of itself)

- Add new flag UBC_ISMAPPED which tells ubc_uiomove() the object is mmap()ed
  somewhere.  Use it to decide whether to do direct-mapped copy, rather than
  poking around directly in the vnode in ubc_uiomove(), which is ugly and
  doesn't work for tmpfs.  It would be nicer to contain all this in UVM but
  the filesystem provides the needed locking here (VV_MAPPED) and to
  reinvent that would suck more.

- Rename UBC_UNMAP_FLAG() to UBC_VNODE_FLAGS().  Pass in UBC_ISMAPPED where
  appropriate.

Revision 1.37.10.2 / (download) - annotate - [select for diffs], Tue Apr 21 18:42:41 2020 UTC (2 years, 9 months ago) by martin
Branch: phil-wifi
Changes since 1.37.10.1: +3 -3 lines
Diff to previous 1.37.10.1 (colored) to branchpoint 1.37 (colored) next main 1.38 (colored)

Sync with HEAD

Revision 1.38.6.1 / (download) - annotate - [select for diffs], Mon Apr 20 11:29:09 2020 UTC (2 years, 9 months ago) by bouyer
Branch: bouyer-xenpvh
Changes since 1.38: +4 -4 lines
Diff to previous 1.38 (colored)

Sync with HEAD

Revision 1.39 / (download) - annotate - [select for diffs], Mon Apr 13 19:23:18 2020 UTC (2 years, 9 months ago) by ad
Branch: MAIN
CVS Tags: phil-wifi-20200421, bouyer-xenpvh-base1
Changes since 1.38: +4 -4 lines
Diff to previous 1.38 (colored)

Replace most uses of vp->v_usecount with a call to vrefcnt(vp), a function
that hides the details and does atomic_load_relaxed().  Signature matches
FreeBSD.

Revision 1.37.10.1 / (download) - annotate - [select for diffs], Wed Apr 8 14:08:49 2020 UTC (2 years, 9 months ago) by martin
Branch: phil-wifi
Changes since 1.37: +3 -3 lines
Diff to previous 1.37 (colored)

Merge changes from current as of 20200406

Revision 1.38 / (download) - annotate - [select for diffs], Fri Dec 27 09:41:51 2019 UTC (3 years, 1 month ago) by msaitoh
Branch: MAIN
CVS Tags: phil-wifi-20200411, phil-wifi-20200406, is-mlppp-base, is-mlppp, bouyer-xenpvh-base, ad-namecache-base3, ad-namecache-base2, ad-namecache-base1, ad-namecache-base, ad-namecache
Branch point for: bouyer-xenpvh
Changes since 1.37: +3 -3 lines
Diff to previous 1.37 (colored)

s/transfered/transferred/

Revision 1.18.2.4 / (download) - annotate - [select for diffs], Sun Dec 3 11:38:42 2017 UTC (5 years, 1 month ago) by jdolecek
Branch: tls-maxphys
Changes since 1.18.2.3: +25 -44 lines
Diff to previous 1.18.2.3 (colored) to branchpoint 1.18 (colored) next main 1.19 (colored)

update from HEAD

Revision 1.30.2.4 / (download) - annotate - [select for diffs], Mon Aug 28 17:53:06 2017 UTC (5 years, 5 months ago) by skrll
Branch: nick-nhusb
Changes since 1.30.2.3: +10 -18 lines
Diff to previous 1.30.2.3 (colored) to branchpoint 1.30 (colored) next main 1.31 (colored)

Sync with HEAD

Revision 1.37 / (download) - annotate - [select for diffs], Fri May 26 14:34:19 2017 UTC (5 years, 8 months ago) by riastradh
Branch: MAIN
CVS Tags: tls-maxphys-base-20171202, phil-wifi-base, phil-wifi-20191119, phil-wifi-20190609, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, nick-nhusb-base-20170825, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, isaki-audio2-base, isaki-audio2
Branch point for: phil-wifi
Changes since 1.36: +2 -7 lines
Diff to previous 1.36 (colored)

Eliminate crusty debugging sludge.

We have a mostly sane vnode lifecycle now.  If this needs debugging,
it should be done once at the call site of VOP_RECLAIM.

Revision 1.36 / (download) - annotate - [select for diffs], Fri May 26 14:21:00 2017 UTC (5 years, 8 months ago) by riastradh
Branch: MAIN
Changes since 1.35: +5 -3 lines
Diff to previous 1.35 (colored)

Make VOP_RECLAIM do the last unlock of the vnode.

VOP_RECLAIM naturally has exclusive access to the vnode, so having it
locked on entry is not strictly necessary -- but it means if there
are any final operations that must be done on the vnode, such as
ffs_update, requiring exclusive access to it, we can now kassert that
the vnode is locked in those operations.

We can't just have the caller release the last lock because some file
systems don't use genfs_lock, and require the vnode to remain valid
for VOP_UNLOCK to work, notably unionfs.

Revision 1.35 / (download) - annotate - [select for diffs], Wed Apr 26 03:02:48 2017 UTC (5 years, 9 months ago) by riastradh
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2
Changes since 1.34: +6 -10 lines
Diff to previous 1.34 (colored)

Change VOP_REMOVE and VOP_RMDIR to preserve lock/ref on dvp.

No change to vp -- the plan is to replace the node by the
componentname in the vop parameters, and let all directory vops do
lookups internally.

Proposed on tech-kern with no objections:
https://mail-index.netbsd.org/tech-kern/2017/04/17/msg021825.html

Revision 1.32.2.1 / (download) - annotate - [select for diffs], Wed Apr 26 02:53:25 2017 UTC (5 years, 9 months ago) by pgoyette
Branch: pgoyette-localcount
Changes since 1.32: +3 -4 lines
Diff to previous 1.32 (colored) next main 1.33 (colored)

Sync with HEAD

Revision 1.33.2.1 / (download) - annotate - [select for diffs], Fri Apr 21 16:54:01 2017 UTC (5 years, 9 months ago) by bouyer
Branch: bouyer-socketcan
Changes since 1.33: +3 -4 lines
Diff to previous 1.33 (colored) next main 1.34 (colored)

Sync with HEAD

Revision 1.34 / (download) - annotate - [select for diffs], Tue Apr 11 14:24:59 2017 UTC (5 years, 9 months ago) by riastradh
Branch: MAIN
CVS Tags: pgoyette-localcount-20170426, bouyer-socketcan-base1
Changes since 1.33: +3 -4 lines
Diff to previous 1.33 (colored)

Make VOP_INACTIVE preserve vnode lock on return.

Discussed on tech-kern:
https://mail-index.netbsd.org/tech-kern/2017/04/01/msg021751.html

Ride 7.99.68, a bumpy bus of incremental vfs improvements!

Revision 1.30.2.3 / (download) - annotate - [select for diffs], Wed Oct 5 20:56:01 2016 UTC (6 years, 3 months ago) by skrll
Branch: nick-nhusb
Changes since 1.30.2.2: +2 -5 lines
Diff to previous 1.30.2.2 (colored) to branchpoint 1.30 (colored)

Sync with HEAD

Revision 1.33 / (download) - annotate - [select for diffs], Sat Aug 20 12:37:07 2016 UTC (6 years, 5 months ago) by hannken
Branch: MAIN
CVS Tags: pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, nick-nhusb-base-20170204, nick-nhusb-base-20161204, nick-nhusb-base-20161004, localcount-20160914, jdolecek-ncq-base, jdolecek-ncq, bouyer-socketcan-base
Branch point for: bouyer-socketcan
Changes since 1.32: +2 -5 lines
Diff to previous 1.32 (colored)

Remove now obsolete operation vcache_remove().

Welcome to 7.99.36

Revision 1.30.2.2 / (download) - annotate - [select for diffs], Sat Jun 6 14:40:21 2015 UTC (7 years, 7 months ago) by skrll
Branch: nick-nhusb
Changes since 1.30.2.1: +11 -12 lines
Diff to previous 1.30.2.1 (colored) to branchpoint 1.30 (colored)

Sync with HEAD

Revision 1.32 / (download) - annotate - [select for diffs], Mon Apr 20 23:03:08 2015 UTC (7 years, 9 months ago) by riastradh
Branch: MAIN
CVS Tags: pgoyette-localcount-base, pgoyette-localcount-20160806, pgoyette-localcount-20160726, nick-nhusb-base-20160907, nick-nhusb-base-20160529, nick-nhusb-base-20160422, nick-nhusb-base-20160319, nick-nhusb-base-20151226, nick-nhusb-base-20150921, nick-nhusb-base-20150606
Branch point for: pgoyette-localcount
Changes since 1.31: +3 -4 lines
Diff to previous 1.31 (colored)

Make VOP_LINK return directory still locked and referenced.

Ride 7.99.10 bump.

Revision 1.30.2.1 / (download) - annotate - [select for diffs], Mon Apr 6 15:18:19 2015 UTC (7 years, 9 months ago) by skrll
Branch: nick-nhusb
Changes since 1.30: +4 -5 lines
Diff to previous 1.30 (colored)

Sync with HEAD

Revision 1.31 / (download) - annotate - [select for diffs], Sun Mar 29 14:12:28 2015 UTC (7 years, 10 months ago) by riastradh
Branch: MAIN
CVS Tags: nick-nhusb-base-20150406
Changes since 1.30: +4 -5 lines
Diff to previous 1.30 (colored)

Complete removal of cred argument from bread in nilfs.

Revision 1.30 / (download) - annotate - [select for diffs], Wed Oct 15 09:05:46 2014 UTC (8 years, 3 months ago) by hannken
Branch: MAIN
CVS Tags: nick-nhusb-base
Branch point for: nick-nhusb
Changes since 1.29: +6 -6 lines
Diff to previous 1.29 (colored)

Change nilfs to vcache.

Revision 1.29 / (download) - annotate - [select for diffs], Wed Oct 15 09:03:53 2014 UTC (8 years, 3 months ago) by hannken
Branch: MAIN
Changes since 1.28: +19 -25 lines
Diff to previous 1.28 (colored)

Prepare nilfs for vcache:
- Calling getnewvnode() with "mp == NULL" is wrong.  Stop attaching a
  vnode to system file nodes and change nilfs_bread() to translate
  the block address and then uyse the device for the read.
- Move the vnode initialisation to nilfs_get_node() and use
  nilfs_get_node_raw() to initialise the nilfs node only.
- Same for nilfs_reclaim() versus nilfs_dispose_node().
- Change nilfs_get_node() to return an unlocked vnode instead of
  a nilfs node with locked vnode.  Adapt nilfs_lookup() and nilfs_root().
- Don't treat unsupported node types (blk, chr ...) as regular,
  return ENXIO instead.
- Fix nilfs_getattr() to mask the mode with ALLPERMS.
- Destroy sync_cv before free.

Revision 1.18.2.3 / (download) - annotate - [select for diffs], Wed Aug 20 00:04:27 2014 UTC (8 years, 5 months ago) by tls
Branch: tls-maxphys
Changes since 1.18.2.2: +13 -13 lines
Diff to previous 1.18.2.2 (colored) to branchpoint 1.18 (colored)

Rebase to HEAD as of a few days ago.

Revision 1.27.2.1 / (download) - annotate - [select for diffs], Sun Aug 10 06:55:54 2014 UTC (8 years, 5 months ago) by tls
Branch: tls-earlyentropy
Changes since 1.27: +4 -2 lines
Diff to previous 1.27 (colored) next main 1.28 (colored)

Rebase.

Revision 1.28 / (download) - annotate - [select for diffs], Fri Jul 25 08:20:51 2014 UTC (8 years, 6 months ago) by dholland
Branch: MAIN
CVS Tags: tls-maxphys-base, tls-earlyentropy-base, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7
Changes since 1.27: +4 -2 lines
Diff to previous 1.27 (colored)

Add VOP_FALLOCATE and VOP_FDISCARD to every vnode ops table I can
find.

The filesystem ones all call genfs_eopnotsupp - right now I am only
implementing the plumbing and we can implement fallocate and/or
fdiscard for files later.

The device ones call spec_fallocate (which is also genfs_eopnotsupp)
and spec_fdiscard, which dispatches to the device-level op.

The fifo ones all call vn_fifo_bypass, which also ends up being
EOPNOTSUPP.

Revision 1.15.2.4 / (download) - annotate - [select for diffs], Thu May 22 11:41:01 2014 UTC (8 years, 8 months ago) by yamt
Branch: yamt-pagecache
Changes since 1.15.2.3: +21 -17 lines
Diff to previous 1.15.2.3 (colored) to branchpoint 1.15 (colored) next main 1.16 (colored)

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

Revision 1.23.2.1 / (download) - annotate - [select for diffs], Sun May 18 17:46:06 2014 UTC (8 years, 8 months ago) by rmind
Branch: rmind-smpnet
Changes since 1.23: +13 -15 lines
Diff to previous 1.23 (colored) next main 1.24 (colored)

sync with head

Revision 1.27 / (download) - annotate - [select for diffs], Fri Feb 7 15:29:21 2014 UTC (8 years, 11 months ago) by hannken
Branch: MAIN
CVS Tags: yamt-pagecache-base9, rmind-smpnet-nbase, rmind-smpnet-base, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3
Branch point for: tls-earlyentropy
Changes since 1.26: +8 -4 lines
Diff to previous 1.26 (colored)

Change vnode operation lookup to return the resulting vnode *vpp unlocked.
Change cache_lookup() to return an unlocked vnode.

Discussed on tech-kern@

Welcome to 6.99.31

Revision 1.26 / (download) - annotate - [select for diffs], Thu Jan 23 10:13:56 2014 UTC (9 years ago) by hannken
Branch: MAIN
Changes since 1.25: +6 -6 lines
Diff to previous 1.25 (colored)

Change vnode operations create, mknod, mkdir and symlink to return
the resulting vnode *vpp unlocked.

Discussed on tech-kern@

Welcome to 6.99.30

Revision 1.25 / (download) - annotate - [select for diffs], Fri Jan 17 10:55:02 2014 UTC (9 years ago) by hannken
Branch: MAIN
Changes since 1.24: +6 -10 lines
Diff to previous 1.24 (colored)

Change vnode operations create, mknod, mkdir and symlink to keep the
directory node dvp locked on return.

Discussed on tech-kern@

Welcome to 6.99.29

Revision 1.24 / (download) - annotate - [select for diffs], Fri Oct 18 19:57:28 2013 UTC (9 years, 3 months ago) by christos
Branch: MAIN
Changes since 1.23: +3 -5 lines
Diff to previous 1.23 (colored)

remove unused variable warnings

Revision 1.18.2.2 / (download) - annotate - [select for diffs], Sun Jun 23 06:18:27 2013 UTC (9 years, 7 months ago) by tls
Branch: tls-maxphys
Changes since 1.18.2.1: +10 -4 lines
Diff to previous 1.18.2.1 (colored) to branchpoint 1.18 (colored)

resync from head

Revision 1.16.6.1.6.1 / (download) - annotate - [select for diffs], Thu Jun 13 10:55:59 2013 UTC (9 years, 7 months ago) by msaitoh
Branch: netbsd-6-1
CVS Tags: netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE
Changes since 1.16.6.1: +9 -3 lines
Diff to previous 1.16.6.1 (colored) next main 1.16.6.2 (colored)

Pull up following revision(s) (requested by reinoud in ticket #894):
	sys/fs/nilfs/nilfs_vnops.c: revision 1.22-1.23
Fix serious file read problem due to not-so-clear VOP_BMAP description. Should
fix PR 45605.

Revision 1.16.6.1.4.1 / (download) - annotate - [select for diffs], Thu Jun 13 10:53:00 2013 UTC (9 years, 7 months ago) by msaitoh
Branch: netbsd-6-0
CVS Tags: netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE
Changes since 1.16.6.1: +9 -3 lines
Diff to previous 1.16.6.1 (colored) next main 1.16.6.2 (colored)

Pull up following revision(s) (requested by reinoud in ticket #894):
	sys/fs/nilfs/nilfs_vnops.c: revision 1.22-1.23
Fix serious file read problem due to not-so-clear VOP_BMAP description. Should
fix PR 45605.

Revision 1.16.6.2 / (download) - annotate - [select for diffs], Thu Jun 13 06:49:08 2013 UTC (9 years, 7 months ago) by msaitoh
Branch: netbsd-6
Changes since 1.16.6.1: +9 -3 lines
Diff to previous 1.16.6.1 (colored) to branchpoint 1.16 (colored) next main 1.17 (colored)

Pull up following revision(s) (requested by reinoud in ticket #894):
	sys/fs/nilfs/nilfs_vnops.c: revision 1.22-1.23
Fix serious file read problem due to not-so-clear VOP_BMAP description. Should
fix PR 45605.

Revision 1.23 / (download) - annotate - [select for diffs], Wed May 8 10:39:17 2013 UTC (9 years, 8 months ago) by reinoud
Branch: MAIN
CVS Tags: riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2
Branch point for: rmind-smpnet
Changes since 1.22: +3 -3 lines
Diff to previous 1.22 (colored)

Fix Typo

Revision 1.22 / (download) - annotate - [select for diffs], Wed May 8 10:29:22 2013 UTC (9 years, 8 months ago) by reinoud
Branch: MAIN
Changes since 1.21: +9 -3 lines
Diff to previous 1.21 (colored)



Fix serious file read problem due to not-so-clear VOP_BMAP description. Should
fix PR 45605.

Revision 1.21 / (download) - annotate - [select for diffs], Mon Mar 18 19:35:38 2013 UTC (9 years, 10 months ago) by plunky
Branch: MAIN
CVS Tags: khorben-n900, agc-symver-base, agc-symver
Changes since 1.20: +3 -3 lines
Diff to previous 1.20 (colored)

C99 section 6.7.2.3 (Tags) Note 3 states that:

  A type specifier of the form

	enum identifier

  without an enumerator list shall only appear after the type it
  specifies is complete.

which means that we cannot pass an "enum vtype" argument to
kauth_access_action() without fully specifying the type first.
Unfortunately there is a complicated include file loop which
makes that difficult, so convert this minimal function into a
macro (and capitalize it).

(ok elad@)

Revision 1.15.2.3 / (download) - annotate - [select for diffs], Wed Jan 16 05:33:39 2013 UTC (10 years ago) by yamt
Branch: yamt-pagecache
CVS Tags: yamt-pagecache-tag8
Changes since 1.15.2.2: +9 -7 lines
Diff to previous 1.15.2.2 (colored) to branchpoint 1.15 (colored)

sync with (a bit old) head

Revision 1.18.2.1 / (download) - annotate - [select for diffs], Tue Nov 20 03:02:40 2012 UTC (10 years, 2 months ago) by tls
Branch: tls-maxphys
Changes since 1.18: +9 -7 lines
Diff to previous 1.18 (colored)

Resync to 2012-11-19 00:00:00 UTC

Revision 1.20 / (download) - annotate - [select for diffs], Mon Nov 5 17:27:37 2012 UTC (10 years, 2 months ago) by dholland
Branch: MAIN
CVS Tags: yamt-pagecache-base8, yamt-pagecache-base7
Changes since 1.19: +6 -4 lines
Diff to previous 1.19 (colored)

Excise struct componentname from the namecache.

This uglifies the interface, because several operations need to be
passed the namei flags and cache_lookup also needs for the time being
to be passed cnp->cn_nameiop. Nonetheless, it's a net benefit.

The glop should be able to go away eventually but requires structural
cleanup elsewhere first.

This change requires a kernel bump.

Revision 1.19 / (download) - annotate - [select for diffs], Mon Nov 5 17:24:10 2012 UTC (10 years, 2 months ago) by dholland
Branch: MAIN
Changes since 1.18: +6 -6 lines
Diff to previous 1.18 (colored)

Disentangle the namecache from the internals of namei.

 - Move the namecache's hash computation to inside the namecache code,
instead of being spread out all over the place. Remove cn_hash from
struct componentname and delete all uses of it.

 - It is no longer necessary (if it ever was) for cache_lookup and
cache_lookup_raw to clear MAKEENTRY from cnp->cn_flags for the cases
that cache_enter already checks for.

 - Rearrange the interface of cache_lookup (and cache_lookup_raw) to
make it somewhat simpler, to exclude certain nonexistent error
conditions, and (most importantly) to make it not require write access
to cnp->cn_flags.

This change requires a kernel bump.

Revision 1.15.2.2 / (download) - annotate - [select for diffs], Tue Oct 30 17:22:23 2012 UTC (10 years, 3 months ago) by yamt
Branch: yamt-pagecache
Changes since 1.15.2.1: +3 -3 lines
Diff to previous 1.15.2.1 (colored) to branchpoint 1.15 (colored)

sync with head

Revision 1.16.6.1 / (download) - annotate - [select for diffs], Sun Aug 12 12:59:47 2012 UTC (10 years, 5 months ago) by martin
Branch: netbsd-6
CVS Tags: netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus
Branch point for: netbsd-6-1, netbsd-6-0
Changes since 1.16: +3 -3 lines
Diff to previous 1.16 (colored)

Pull up following revision(s) (requested by manu in ticket #484):
	sys/fs/nilfs/nilfs_vnops.c: revision 1.18
	sys/ufs/ufs/ufs_lookup.c: revision 1.117
	sys/nfs/nfs_vnops.c: revision 1.295
	sys/ufs/chfs/chfs_vnops.c: revision 1.8
	sys/ufs/ext2fs/ext2fs_lookup.c: revision 1.70
	sys/fs/unionfs/unionfs_vnops.c: revision 1.6
	sys/kern/vfs_cache.c: revision 1.89
	sys/fs/efs/efs_vnops.c: revision 1.26
	sys/fs/hfs/hfs_vnops.c: revision 1.26
	sys/fs/adosfs/adlookup.c: revision 1.16
	sys/fs/puffs/puffs_vnops.c: revision 1.168
	sys/fs/tmpfs/tmpfs_vnops.c: revision 1.98
	sys/fs/ntfs/ntfs_vnops.c: revision 1.52
	sys/fs/cd9660/cd9660_lookup.c: revision 1.20
	sys/fs/msdosfs/msdosfs_lookup.c: revision 1.24
	sys/fs/smbfs/smbfs_vnops.c: revision 1.80
	sys/fs/udf/udf_vnops.c: revision 1.72
	sys/fs/filecorefs/filecore_lookup.c: revision 1.14
	sys/fs/puffs/puffs_node.c: revision 1.25
Move some the test for MAKEENTRY into the cache_enter(9).  Make some
variables in vfs_cache.c static, __read_mostly, etc.
No objection on tech-kern@.

Revision 1.18 / (download) - annotate - [select for diffs], Sun Jul 22 00:53:19 2012 UTC (10 years, 6 months ago) by rmind
Branch: MAIN
CVS Tags: yamt-pagecache-base6
Branch point for: tls-maxphys
Changes since 1.17: +3 -3 lines
Diff to previous 1.17 (colored)

Move some the test for MAKEENTRY into the cache_enter(9).  Make some
variables in vfs_cache.c static, __read_mostly, etc.

No objection on tech-kern@.

Revision 1.15.2.1 / (download) - annotate - [select for diffs], Tue Apr 17 00:08:19 2012 UTC (10 years, 9 months ago) by yamt
Branch: yamt-pagecache
Changes since 1.15: +7 -5 lines
Diff to previous 1.15 (colored)

sync with head

Revision 1.16.4.1 / (download) - annotate - [select for diffs], Thu Apr 5 21:33:36 2012 UTC (10 years, 9 months ago) by mrg
Branch: jmcneill-usbmp
Changes since 1.16: +5 -5 lines
Diff to previous 1.16 (colored) next main 1.17 (colored)

sync to latest -current.

Revision 1.17 / (download) - annotate - [select for diffs], Tue Mar 13 18:40:38 2012 UTC (10 years, 10 months ago) by elad
Branch: MAIN
CVS Tags: yamt-pagecache-base5, yamt-pagecache-base4, jmcneill-usbmp-base9, jmcneill-usbmp-base8, jmcneill-usbmp-base10
Changes since 1.16: +5 -5 lines
Diff to previous 1.16 (colored)

Replace the remaining KAUTH_GENERIC_ISSUSER authorization calls with
something meaningful. All relevant documentation has been updated or
written.

Most of these changes were brought up in the following messages:

    http://mail-index.netbsd.org/tech-kern/2012/01/18/msg012490.html
    http://mail-index.netbsd.org/tech-kern/2012/01/19/msg012502.html
    http://mail-index.netbsd.org/tech-kern/2012/02/17/msg012728.html

Thanks to christos, manu, njoly, and jmmv for input.

Huge thanks to pgoyette for spinning these changes through some build
cycles and ATF.

Revision 1.16 / (download) - annotate - [select for diffs], Fri Nov 18 21:18:50 2011 UTC (11 years, 2 months ago) by christos
Branch: MAIN
CVS Tags: netbsd-6-base, jmcneill-usbmp-pre-base2, jmcneill-usbmp-base7, jmcneill-usbmp-base6, jmcneill-usbmp-base5, jmcneill-usbmp-base4, jmcneill-usbmp-base3, jmcneill-usbmp-base2, jmcneill-usbmp-base, jmcneill-audiomp3-base, jmcneill-audiomp3
Branch point for: netbsd-6, jmcneill-usbmp
Changes since 1.15: +4 -2 lines
Diff to previous 1.15 (colored)

Obey MNT_RELATIME, the only addition is that mkdir in ufs sets IN_ACCESS too.

Revision 1.15 / (download) - annotate - [select for diffs], Sun Oct 16 12:41:45 2011 UTC (11 years, 3 months ago) by hannken
Branch: MAIN
CVS Tags: yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base
Branch point for: yamt-pagecache
Changes since 1.14: +5 -3 lines
Diff to previous 1.14 (colored)

VOP_GETATTR() needs a shared lock at least.

While here fix a typo (fvp -> tvp).

Revision 1.14 / (download) - annotate - [select for diffs], Tue Sep 27 01:34:41 2011 UTC (11 years, 4 months ago) by christos
Branch: MAIN
Changes since 1.13: +3 -3 lines
Diff to previous 1.13 (colored)

define NILFS_MAXNAMLEN and use it.

Revision 1.11.2.1 / (download) - annotate - [select for diffs], Thu Jun 23 14:20:15 2011 UTC (11 years, 7 months ago) by cherry
Branch: cherry-xenmp
Changes since 1.11: +5 -9 lines
Diff to previous 1.11 (colored) next main 1.12 (colored)

Catchup with rmind-uvmplock merge.

Revision 1.13 / (download) - annotate - [select for diffs], Sun Jun 19 02:42:53 2011 UTC (11 years, 7 months ago) by rmind
Branch: MAIN
Changes since 1.12: +3 -7 lines
Diff to previous 1.12 (colored)

- Fix a silly bug: remove umap from uobj in ubc_release() UBC_UNMAP case.
- Use UBC_WANT_UNMAP() consistently.

ARM (PMAP_CACHE_VIVT case) works again.

Revision 1.12 / (download) - annotate - [select for diffs], Sun Jun 12 03:35:53 2011 UTC (11 years, 7 months ago) by rmind
Branch: MAIN
Changes since 1.11: +4 -4 lines
Diff to previous 1.11 (colored)

Welcome to 5.99.53!  Merge rmind-uvmplock branch:

- Reorganize locking in UVM and provide extra serialisation for pmap(9).
  New lock order: [vmpage-owner-lock] -> pmap-lock.

- Simplify locking in some pmap(9) modules by removing P->V locking.

- Use lock object on vmobjlock (and thus vnode_t::v_interlock) to share
  the locks amongst UVM objects where necessary (tmpfs, layerfs, unionfs).

- Rewrite and optimise x86 TLB shootdown code, make it simpler and cleaner.
  Add TLBSTATS option for x86 to collect statistics about TLB shootdowns.

- Unify /dev/mem et al in MI code and provide required locking (removes
  kernel-lock on some ports).  Also, avoid cache-aliasing issues.

Thanks to Andrew Doran and Joerg Sonnenberger, as their initial patches
formed the core changes of this branch.

Revision 1.9.2.1 / (download) - annotate - [select for diffs], Mon Jun 6 09:09:22 2011 UTC (11 years, 7 months ago) by jruoho
Branch: jruoho-x86intr
Changes since 1.9: +5 -14 lines
Diff to previous 1.9 (colored) next main 1.10 (colored)

Sync with HEAD.

Revision 1.4.4.4 / (download) - annotate - [select for diffs], Tue May 31 03:04:59 2011 UTC (11 years, 8 months ago) by rmind
Branch: rmind-uvmplock
Changes since 1.4.4.3: +3 -12 lines
Diff to previous 1.4.4.3 (colored) to branchpoint 1.4 (colored) next main 1.5 (colored)

sync with head

Revision 1.11 / (download) - annotate - [select for diffs], Thu May 19 03:11:56 2011 UTC (11 years, 8 months ago) by rmind
Branch: MAIN
CVS Tags: rmind-uvmplock-nbase, rmind-uvmplock-base, cherry-xenmp-base
Branch point for: cherry-xenmp
Changes since 1.10: +2 -5 lines
Diff to previous 1.10 (colored)

Remove cache_purge(9) calls from reclamation routines in the file systems,
as vclean(9) performs it for us since Lite2 merge.

Revision 1.10 / (download) - annotate - [select for diffs], Sun Apr 24 21:35:29 2011 UTC (11 years, 9 months ago) by rmind
Branch: MAIN
Changes since 1.9: +5 -11 lines
Diff to previous 1.9 (colored)

sys_link: prevent hard links on directories (cross-mount operations are
already prevented).  File systems are no longer responsible to check this.
Clean up and add asserts (note that dvp == vp cannot happen in vop_link).

OK dholland@

Revision 1.4.4.3 / (download) - annotate - [select for diffs], Sat Mar 5 20:55:06 2011 UTC (11 years, 10 months ago) by rmind
Branch: rmind-uvmplock
Changes since 1.4.4.2: +2 -12 lines
Diff to previous 1.4.4.2 (colored) to branchpoint 1.4 (colored)

sync with head

Revision 1.9 / (download) - annotate - [select for diffs], Tue Nov 30 10:43:03 2010 UTC (12 years, 2 months ago) by dholland
Branch: MAIN
CVS Tags: matt-mips64-premerge-20101231, jruoho-x86intr-base, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2
Branch point for: jruoho-x86intr
Changes since 1.8: +2 -4 lines
Diff to previous 1.8 (colored)

Abolish the SAVENAME and HASBUF flags. There is now always a buffer,
so the path in a struct componentname is now always valid during VOP
calls.

Revision 1.8 / (download) - annotate - [select for diffs], Tue Nov 30 10:29:59 2010 UTC (12 years, 2 months ago) by dholland
Branch: MAIN
Changes since 1.7: +2 -10 lines
Diff to previous 1.7 (colored)

Abolish struct componentname's cn_pnbuf. Use the path buffer in the
pathbuf object passed to namei as work space instead. (For now a pnbuf
pointer appears in struct nameidata, to support certain unclean things
that haven't been fixed yet, but it will be going away in the future.)

This removes the need for the SAVENAME and HASBUF namei flags.

Revision 1.4.2.1 / (download) - annotate - [select for diffs], Tue Aug 17 06:47:17 2010 UTC (12 years, 5 months ago) by uebayasi
Branch: uebayasi-xip
Changes since 1.4: +53 -22 lines
Diff to previous 1.4 (colored) next main 1.5 (colored)

Sync with HEAD.

Revision 1.1.4.5 / (download) - annotate - [select for diffs], Wed Aug 11 22:54:34 2010 UTC (12 years, 5 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.4.4: +53 -22 lines
Diff to previous 1.1.4.4 (colored) to branchpoint 1.1 (colored) next main 1.2 (colored)

sync with head.

Revision 1.4.4.2 / (download) - annotate - [select for diffs], Sat Jul 3 01:19:50 2010 UTC (12 years, 7 months ago) by rmind
Branch: rmind-uvmplock
Changes since 1.4.4.1: +53 -22 lines
Diff to previous 1.4.4.1 (colored) to branchpoint 1.4 (colored)

sync with head

Revision 1.7 / (download) - annotate - [select for diffs], Thu Jun 24 13:03:10 2010 UTC (12 years, 7 months ago) by hannken
Branch: MAIN
CVS Tags: yamt-nfs-mp-base11, yamt-nfs-mp-base10, uebayasi-xip-base4, uebayasi-xip-base3, uebayasi-xip-base2
Changes since 1.6: +9 -9 lines
Diff to previous 1.6 (colored)

Clean up vnode lock operations pass 2:

VOP_UNLOCK(vp, flags) -> VOP_UNLOCK(vp): Remove the unneeded flags argument.

Welcome to 5.99.32.

Discussed on tech-kern.

Revision 1.6 / (download) - annotate - [select for diffs], Thu Jun 24 12:15:46 2010 UTC (12 years, 7 months ago) by reinoud
Branch: MAIN
Changes since 1.5: +38 -12 lines
Diff to previous 1.5 (colored)

Pullup changes from the write implementation:
- remove unnessisary check that would prevent it from mounting newer nilfs
  images. A field has been added in the segment summary.
- store blocks of files on their virtual block number

Revision 1.5 / (download) - annotate - [select for diffs], Thu Jun 24 07:54:46 2010 UTC (12 years, 7 months ago) by hannken
Branch: MAIN
Changes since 1.4: +13 -8 lines
Diff to previous 1.4 (colored)

Clean up vnode lock operations:

 - VOP_LOCK(vp, flags): Limit the set of allowed flags to LK_EXCLUSIVE,
   LK_SHARED and LK_NOWAIT.  LK_INTERLOCK is no longer allowed as it
   makes no sense here.

- VOP_ISLOCKED(vp): Remove the for some time unused return value
  LK_EXCLOTHER.  Mark this operation as "diagnostic only".
  Making a lock decision based on this operation is no longer allowed.

Discussed on tech-kern.

Revision 1.4.4.1 / (download) - annotate - [select for diffs], Tue Mar 16 15:38:07 2010 UTC (12 years, 10 months ago) by rmind
Branch: rmind-uvmplock
Changes since 1.4: +4 -4 lines
Diff to previous 1.4 (colored)

Change struct uvm_object::vmobjlock to be dynamically allocated with
mutex_obj_alloc().  It allows us to share the locks among UVM objects.

Revision 1.1.4.4 / (download) - annotate - [select for diffs], Thu Mar 11 15:04:13 2010 UTC (12 years, 10 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.4.3: +6 -6 lines
Diff to previous 1.1.4.3 (colored) to branchpoint 1.1 (colored)

sync with head

Revision 1.4 / (download) - annotate - [select for diffs], Fri Jan 8 11:35:08 2010 UTC (13 years ago) by pooka
Branch: MAIN
CVS Tags: yamt-nfs-mp-base9, uebayasi-xip-base1, uebayasi-xip-base
Branch point for: uebayasi-xip, rmind-uvmplock
Changes since 1.3: +4 -4 lines
Diff to previous 1.3 (colored)

The VATTR_NULL/VREF/VHOLD/HOLDRELE() macros lost their will to live
years ago when the kernel was modified to not alter ABI based on
DIAGNOSTIC, and now just call the respective function interfaces
(in lowercase).  Plenty of mix'n match upper/lowercase has creeped
into the tree since then.  Nuke the macros and convert all callsites
to lowercase.

no functional change

Revision 1.3 / (download) - annotate - [select for diffs], Tue Jan 5 13:30:11 2010 UTC (13 years ago) by mbalmer
Branch: MAIN
Changes since 1.2: +4 -4 lines
Diff to previous 1.2 (colored)

Remove extra semicolons.

Revision 1.1.4.3 / (download) - annotate - [select for diffs], Wed Sep 16 13:38:00 2009 UTC (13 years, 4 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.4.2: +45 -24 lines
Diff to previous 1.1.4.2 (colored) to branchpoint 1.1 (colored)

sync with head

Revision 1.2 / (download) - annotate - [select for diffs], Wed Aug 26 03:40:48 2009 UTC (13 years, 5 months ago) by elad
Branch: MAIN
CVS Tags: yamt-nfs-mp-base8, matt-premerge-20091211, jym-xensuspend-nbase
Changes since 1.1: +45 -24 lines
Diff to previous 1.1 (colored)

Split nilfs_access() to nilfs_check_possible() and nilfs_check_permitted().

Revision 1.1.4.2 / (download) - annotate - [select for diffs], Wed Aug 19 18:48:14 2009 UTC (13 years, 5 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1.4.1: +1573 -0 lines
Diff to previous 1.1.4.1 (colored) to branchpoint 1.1 (colored)

sync with head.

Revision 1.1.2.2 / (download) - annotate - [select for diffs], Thu Jul 23 23:32:32 2009 UTC (13 years, 6 months ago) by jym
Branch: jym-xensuspend
Changes since 1.1.2.1: +1573 -0 lines
Diff to previous 1.1.2.1 (colored) to branchpoint 1.1 (colored) next main 1.2 (colored)

Sync with HEAD.

Revision 1.1.4.1, Sat Jul 18 16:31:42 2009 UTC (13 years, 6 months ago) by yamt
Branch: yamt-nfs-mp
Changes since 1.1: +0 -1573 lines
FILE REMOVED

file nilfs_vnops.c was added on branch yamt-nfs-mp on 2009-08-19 18:48:14 +0000

Revision 1.1.2.1, Sat Jul 18 16:31:42 2009 UTC (13 years, 6 months ago) by jym
Branch: jym-xensuspend
Changes since 1.1: +0 -1573 lines
FILE REMOVED

file nilfs_vnops.c was added on branch jym-xensuspend on 2009-07-23 23:32:32 +0000

Revision 1.1 / (download) - annotate - [select for diffs], Sat Jul 18 16:31:42 2009 UTC (13 years, 6 months ago) by reinoud
Branch: MAIN
CVS Tags: yamt-nfs-mp-base7, jymxensuspend-base
Branch point for: yamt-nfs-mp, jym-xensuspend

Import read-only part of the NiLFS (v2) implementation for NetBSD. It has been
tested with a DEBUG+DIAGNOSTIC+LOCKDEBUG kernel. To summerise NiLFS, i'll
repeat my posting to tech-kern here:

NiLFS stands for New implementation of Logging File System; LFS done
right they claim :) It is at version 2 now and is being developed by NTT, the
Japanese telecom company and recently put into the linux source tree. See
http://www.nilfs.org. The on-disc format is not completely frozen and i expect
at least one minor revision to come in time.

The benefits of NiLFS are build-in fine-grained checkpointing, persistent
snapshots, multiple mounts and very large file and media support. Every
checkpoint can be transformed into a snapshot and v.v. It is said to perform
very well on flash media since it is not overwriting pieces apart from a
incidental update of the superblock, but that might change. It is accompanied
by a cleaner to clean up the segments and recover lost space.

My work is not a port of the linux code; its a new implementation. Porting the
code would be more work since its very linux oriented and never written to be
ported outside linux. The goal is to be fully interchangable. The code is non
intrusive to other parts of the kernel. It is also very light-weight.

The current state of the code is read-only access to both clean and dirty
NiLFS partitions. On mounting a dirty partition it rolls forward the log to
the last checkpoint. Full read-write support is however planned!

Just as the linux code, mount_nilfs allows for the `head' to be mounted
read/write and allows multiple read-only snapshots/checkpoint mounts next to
it.

By allowing the RW mount at a different snapshot for read-write it should be
possible eventually to revert back to a previous state; i.e. try to upgrade a
system and being able to revert to the exact state prior to the upgrade.

Compared to other FS's its pretty light-weight, suitable for embedded use and
on flash media. The read-only code is currently 17kb object code on
NetBSD/i386. I doubt the read-write code will surpass the 50 or 60. Compared
this to FFS being 156kb, UDF being 84 kb and NFS being 130kb. Run-time memory
usage is most likely not very different from other uses though maybe a bit
higher than FFS.

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