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1205 Commits

Author SHA1 Message Date
njoly
9cd958c424 Make sysvbfs rename work for filenames longer than {NAME_MAX}. 2010-07-26 13:43:26 +00:00
hannken
99afd136d0 It makes no sense to call vget() with LK_RETRY. 2010-07-25 09:54:37 +00:00
njoly
feeade32b4 Remove bad cast, fix compilation with MSDOSFS_DEBUG. 2010-07-22 18:08:11 +00:00
hannken
fb62bef947 Make holding v_interlock mandatory for callers of vget(). 
Announced some time ago on tech-kern.
 2010-07-21 17:52:09 +00:00
hannken
f457e09499 Lock the ntnode and recheck the fnode after calling getnewvnode(). 
Take v_interlock while the ntnode is locked.
 2010-07-19 08:17:44 +00:00
njoly
a1bce59b7f Fix build with SYSVBFS_VNOPS_DEBUG. 2010-07-17 00:13:42 +00:00
njoly
c6aea3ff65 Small typo in comment. 2010-07-16 23:41:01 +00:00
hannken
438de34ae8 Always take the hash list lock before removing a node from the hash chain. 
Release the hash list lock before calling getnewvnode() and check the
hash list again like other file systems do.

Take v_interlock before calling vget().
 2010-07-16 08:23:28 +00:00
pooka
b97a9a0af5 f_namemax is one of the static fields overridden by copy_statvfs_info(), 
so be sure to set it to the value coming from the file server as
part of mount args.

exposed, like so many other problems, by njoly's tests
 2010-07-15 21:55:05 +00:00
pooka
083df92b14 return same errno as ffs 2010-07-14 16:03:49 +00:00
pooka
b79f37ef16 RENAME lookup semantics say return EISDIR if dvp = *vpp for the 
last component .... obviously(!!)
 2010-07-14 14:07:37 +00:00
pooka
fbc9efbb6a Do fhtovp compat translation only for fhtovp ops, not all vfs ops. 
Allocate tailing extra buffer for compat op too.
 2010-07-11 11:17:27 +00:00
hannken
7296ba383a Replace vget() with vref()/vn_lock(), this node already has a reference. 2010-07-09 08:10:50 +00:00
njoly
a28e233447 Do set f_namemax at mount, to provide sensible value for statvfs(2) 
calls.
 2010-07-07 16:19:55 +00:00
pooka
fdc5aef6ab Remove groolingly spooky variable which has been haunting us for 
several years without doing anything useful.
 2010-07-06 17:00:06 +00:00
pooka
2c9dc3f982 remember to add the new file to the build 2010-07-06 16:13:57 +00:00
pooka
b90c150c5e Add compat to enable running puffs in a 64bit time_t kernel against 
a server which runs in 32bit time_t namespace.
 2010-07-06 13:47:47 +00:00
pooka
6e72f16059 ctassert size of some key structures does not change 2010-07-06 12:28:40 +00:00
pooka
013ecf4f81 Make sure that pa_spare is zero-filled and does not contain any 
garbage which might disrupt future use.
 2010-07-06 12:05:18 +00:00
pooka
e73db95236 union doesn't use layerfs (avoids panic in kernel bootstrap when 
union is compiled in but none of the layer-using file systems are).
 2010-07-05 21:27:08 +00:00
hannken
c2de422c87 LK_INTERLOCK is no longer a valid flag for VOP_LOCK(). 2010-07-02 07:56:46 +00:00
rmind
71cf548ad1 tmpfs_lookup: add comment, de-ident main path. No functional change. 
tmpfs_dir_attach: add assert.
 2010-07-02 03:29:47 +00:00
hannken
245651a23d Remove vlockmgr(). Generic vnode lock operations now use a rwlock located 
in the vnode.  All LK_* flags move from sys/lock.h to sys/vnode.h.  Calls
to vlockmgr() in file systems get replaced with VOP_LOCK() or VOP_UNLOCK().

Welcome to 5.99.34.

Discussed on tech-kern.
 2010-07-01 13:00:54 +00:00
hannken
e65a328302 The directory vnode must be locked before we call VOP_WHITEOUT(). 
Should fix PR #23986 "problem mounting directories".
 2010-06-30 13:10:35 +00:00
rmind
559464716e tmpfs_bytes_max: use MIN() rather than min(), which returns int. 
Spotted by Wolfgang Solfrank.
 2010-06-28 19:32:43 +00:00
rmind
bf5767dcea tmpfs_statvfs: hold accounting lock, since tmpfs_pages_avail() and 
tmpfs_bytes_max() may fluctuate while in calculations.
 2010-06-26 03:38:14 +00:00
hannken
1423e65b26 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.
 2010-06-24 12:58:48 +00:00
reinoud
cd63900e30 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
 2010-06-24 12:15:46 +00:00
reinoud
038180ae32 Update NiLFS(2) on-disc structures from Linux version 2010-06-24 10:20:08 +00:00
hannken
f6c438ba23 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.
 2010-06-24 07:54:46 +00:00
rmind
fc8b3b7154 Replace tmpfs_pool custom allocator code with a simpler layer for memory 
accounting.  Use wired memory (which can be limited) for meta-data, and
kmem(9) for string allocations.

Close PR/31944.  Fix PR/38361 while here.  OK ad@.
 2010-06-22 18:32:07 +00:00
hannken
2c090918c7 Remove the concept of recursive vnode locks by eliminating 
vn_setrecurse(), vn_restorerecurse() and LK_CANRECURSE.
Welcome to 5.99.31

Discussed on tech-kern.
 2010-06-18 16:29:01 +00:00
pooka
eb2a46e827 Install ptyfs userspace header into user's space. 2010-06-14 14:40:47 +00:00
pooka
a784ae74af Make retval argument for pathconf a register_t to match VOP_PATHCONF. 
This makes the size the same on 64bit archs.  Don't bother bumping
any version, since you'd have explicitly had to jump through some
hoops to use pathconf before.
 2010-06-07 11:21:31 +00:00
hannken
62bfdd2b21 Change layered file systems to always pass the locking VOP's down to the 
leaf file system.  Remove now unused member v_vnlock from struct vnode.
Welcome to 5.99.30

Discussed on tech-kern.
 2010-06-06 08:01:30 +00:00
pooka
704f8889fa Mark files removed in the in-memory structure. This allows us 
to do two things:

 1) properly set "recycle?" in inactive
 2) easily check if we are renaming a removed vnode.  without the
    check, it was possible to enter a dirent in the file system for
    a removed (and hence scheduled to be vcleaned) vnode.  this would
    lead to the succesful vget() of a clean vnode.  the use of the
    cleaned vnode was, however, less succesful, except for purposes
    of crashing.
 2010-05-27 23:40:12 +00:00
pooka
32de8f7733 Release pathname buffers after use. 2010-05-27 13:22:02 +00:00
pooka
c9f42ce961 fix refcounting 2010-05-26 21:27:00 +00:00
pooka
19264c8c5c Initialize *vpp to NULL: relookup() requires it without initializing 
the value before the call (yea, changing relookup would probably
be smart, but other file systems already initialize vpp, so I'm
letting someone else experiment with tylenol od).
 2010-05-26 17:52:35 +00:00
pooka
2289d19ea3 Don't double unlock fvp if source file disappears during rename. 
Problem found by njoly's awesome stresstester.
 2010-05-25 10:15:34 +00:00
pooka
33b074be7e add option string for no attribute cache 
(foreseeing the odd event I might actually implement one some day)
 2010-05-21 11:29:42 +00:00
pooka
40b04abea5 Since libpuffs needs a major bump for extattr support anyway, make 
some changes to the user-kernel protocol.  Namely, try to be a
little more resilient some future changes.
 2010-05-21 10:40:19 +00:00
pooka
b91d2535d9 Support extended attributes. 2010-05-21 10:16:54 +00:00
pooka
18dfe9c831 Fix typo. 2010-05-20 12:09:45 +00:00
reinoud
bb702d3252 As per change in NiLFS2 spec, select the superblocks on highest checksum 
number and not on their timestamp since one of the timestamps could be wrong when the
clock was set wrong for whatever reason.
 2010-05-01 21:21:27 +00:00
pooka
eb097b1b96 Return correct value from union_islocked. 
(XXX: anything asserting LK_SHARED will fail because union doesn't
support shared locks)
 2010-05-01 10:44:59 +00:00
pooka
0c20c076ce Enforce RLIMIT_FSIZE before VOP_WRITE. This adds support to file 
system drivers where it was missing from and fixes one buggy
implementation.  The arguably weird semantics of the check are
maintained (v_size vs. va_bytes, overwrite).
 2010-04-23 15:38:46 +00:00
pooka
4fe640bd4d polish previous 2010-04-13 10:12:43 +00:00
pooka
b0e7c8b4f9 If getdisksize() fails (happens e.g. on fss block devices), don't 
give up if we don't really need the information provided by it.
 2010-04-13 10:11:08 +00:00
mlelstv
c243552ba3 The *_modcmd functions use the module name as prefix. 2010-04-11 10:26:25 +00:00