1 2004-08-24 Cluster File Systems, Inc. <info@clusterfs.com>
4 - don't close LustreDB during write_conf until it is done (3860)
5 - fix typo in lconf for_each_profile (3821)
6 - allow dumping logs from multiple threads at one time (3820)
7 - don't allow multiple threads in OSC recovery(3812)
8 - fix debug_size parameters (3864)
9 - fix mds_postrecov to initialize import for llog ctxt (3121)
10 - replace config semaphore with spinlock (3306)
11 - be sure to send a reply for a CANCEL rpc with bad export (3863)
12 - don't allow enqueue to complete on a destroyed export (3822)
13 - down write_lock before checking llog header bitmap (3825)
14 - recover from lock replay timeout (3764)
15 - up llog sem before sending rpc (3652)
16 - reduce ns lock hold times when setting kms (3267)
17 - change a dlm LBUG to LASSERTF, to maybe learn something (4228)
18 - fix NULL deref and obd_dev leak on setup error (3312)
19 - replace some LBUG about llog ops with error handling (3841)
20 - don't match INVALID dentries from d_lookup and spin (3784)
21 - hold dcache_lock while marking dentries INVALID and hashing (4255)
23 - add libwrap support for the TCP acceptor (3996)
24 - add /proc/sys/portals/routes for non-root route listing (3994)
25 - allow setting MDS UUID in .xml (2580)
26 - print the stack of a process that LBUGs (4228)
28 2004-07-14 Cluster File Systems, Inc. <info@clusterfs.com>
31 - don't cleanup request in ll_file_open() on failed MDS open (3430)
32 - make sure to unset replay flag from failed open requests (3440)
33 - if default stripe count is 0, use OST count for inode size (3636)
34 - update parent mtime/ctime on client for create/unlink (2611)
35 - drop dentry ref in ext3_add_link from open_connect_dentry (3266)
36 - free recovery state on server during a forced cleanup (3571)
37 - unregister_reply for resent reqs (3063)
38 - loop back devices mounting and status check on 2.6 (3563)
39 - fix resource-creation race that can provoke i_size == 0 (3513)
40 - don't try to use bad inodes returned from MDS/OST fs lookup (3688)
41 - more debugging for page-accounting assertion (3746)
42 - return -ENOENT instead of asserting if ost getattr+unlink race (3558)
43 - avoid deadlock after precreation failure (3758)
44 - fix race and lock order deadlock in orphan handling (3450, 3750)
45 - add validity checks when grabbing inodes from l_ast_data (3599)
47 - add /proc/.../recovery_status to obdfilter (3428)
48 - lightweight CDEBUG infrastructure, debug daemon (3668)
49 - change default OSC RPC parameters to be better on small clusters
50 - turn off OST read cache for files smaller than 32MB
51 - install man pages and include them in rpms (3100)
52 - add new init script for (un)mounting lustre filesystems (2593)
53 - run chkconfig in %post for init scripts (3701)
54 - drop scimac NAL (unmaintained)
56 2004-06-17 Cluster File Systems, Inc. <info@clusterfs.com>
59 - clean kiobufs before and after use (3485)
60 - strip trailing '/'s before comparing paths with /proc/mounts (3486)
61 - remove assertions to work around "in-flight rpcs" recovery bug (3063)
62 - change init script to fail more clearly if not run as root (1528)
63 - allow clients to reconnect during replay (1742)
64 - fix ns_lock/i_sem lock ordering deadlock for kms update (3477)
65 - don't do DNS lookups on NIDs too small for IP addresses (3442)
66 - re-awaken ptlrpcd if new requests arrive during check_set (3554)
67 - fix cond_resched (3554)
68 - only evict unfinished clients after recovery (3515)
69 - allow bulk resend, prevent data loss (3570)
70 - dynamic ptlrpc request buffer allocation (2102)
71 - don't allow unlinking open directory if it isn't empty (2904)
72 - set MDS/OST threads to umask 0 to not clobber client modes (3359)
73 - remove extraneous obd dereference causing LASSERT failure (3334)
74 - don't use get_cycles() when creating temp. files on the mds (3156)
75 - hold i_sem when setting i_size in ll_extent_lock() (3564)
76 - handle EEXIST for set-stripe, set proper directory name (3336)
78 - servers can dump a log evicting a client - lustre.dump_on_timeout=1
79 - fix ksocknal_fmb_callback() error messages (2918)
81 2004-05-27 Cluster File Systems, Inc. <info@clusterfs.com>
84 - don't copy lvb into (possibly NULL) reply on error (2983)
85 - don't deref dentry after dput, don't free lvb on error (2922)
86 - use the kms to determine writeback rpc length (2947)
87 - increment oti_logcookies when osc is inactive (2948)
88 - update client's i_blocks count via lvb messages (2543)
89 - handle intent open/close of special files properly (1557)
90 - mount MDS with errors=remount-ro, like obdfilter (2009)
91 - initialize lock handle to avoid ASSERT on error cleanup (3057)
92 - don't use cancelling-locks' kms values (2947)
93 - use highest lock extent for kms, not last one (2925)
94 - don't dereference ERR_PTR() dentry in error handling path (3107)
95 - fix thread race in portals_debug_dumplog() (3122)
96 - create lprocfs device entries at setup instead of at attach (1519)
97 - common AST error handler, don't evict client on completion race (3145)
98 - zero nameidata in detach_mnt in 2.6 (3118)
99 - verify d_inode after revalidate_special is valid in 2.6 (3116)
100 - use lustre_put_super() to handle zconf unmounts in 2.6 (3064)
101 - initialize RPC timeout timer earlier for 2.6 (3219)
102 - don't dereference NULL reply buffer if mdc_close was never sent (2410)
103 - print nal/nid for unknown nid (3258)
104 - additional checks for oscc recovery before doing precreate (3284)
105 - fix ll_extent_lock() error return code for 64-bit systems (3043)
106 - don't crash in mdc_close for bad permissions on open (3285)
107 - zero i_rdev for non-device files (3147)
108 - clear page->private before handing to FS, better assertion (3119)
109 - tune the read pipeline (3236)
110 - fix incorrect decref of invalidated dentry (2350)
111 - provide read-ahead stats and refine rpc in flight stats (3328)
112 - don't hold journal transaction open across create RPC (3313)
113 - update atime on MDS at close time (3265)
114 - close LDAP connection when recovering to avoid server load (3315)
115 - update iopen-2.6 patch with fixes from 2399,2517,2904 (3301)
116 - don't leak open file on MDS after open resend (3325)
117 - serialize filter_precreate and filter_destroy_precreated (3329)
118 - loop device shouldn't call sync_dev() for nul device (3092)
119 - clear page cache after eviction (2766)
120 - resynchronize MDS->OST in background (2824)
121 - refuse to mount the same filesystem twice on same mountpoint (3394)
122 - allow llmount to create routes for mounting behind routers (3320)
123 - push lock cancellation to blocking thread for glimpse ASTs (3409)
124 - don't call osc_set_data_with_check() for TEST_LOCK matches (3159)
125 - fix rare problem with rename on htree directories (3417)
127 - allow default OST striping configuration per directory (1414)
128 - fix compilation for qswnal for 2.6 kernels (3125)
129 - increase maximum number of MDS request buffers for large systems
130 - change liblustreapi to be useful for external progs like lfsck (3098)
131 - increase local configuration timeout for slow disks (3353)
132 - allow configuring ldlm AST timeout - lustre.ldlm_timeout=<seconds>
134 2004-03-22 Cluster File Systems, Inc. <info@clusterfs.com>
137 - fixes for glimpse AST timeouts / incorrectly 0-sized files (2818)
138 - don't overwrite extent policy data in reply if lock was blocked (2901)
139 - drop filter export grants atomically with removal from device (2663)
140 - del obd_self_export from work_list in class_disconnect_exports (2908)
141 - don't LBUG if MDS recovery times out during orphan cleanup (2530)
142 - swab reply message in mdc_close, other PPC fixes (2464)
143 - fix destroying of named logs (2325)
144 - overwrite old logs when running lconf --write_conf (2264)
145 - bump LLOG_CHUNKSIZE to 8k to allow for larger clusters (2306)
146 - fix race in target_handle_connect (2898)
147 - mds_reint_create() should take same inode create lock (2926)
148 - correct journal credits calculated for CANCEL_UNLINK_LOG (2931)
149 - don't close files for self_export to avoid uninitialized obd (2936)
150 - allow MDS with the same name as client node (2939)
151 - hold dentry reference for closed log files for unlink (2325)
152 - reserve space for all logs during transactions (2059)
153 - don't evict page beyond end of stripe extent (2925)
154 - don't oops on a deleted current working directory (2399)
155 - handle hard links to targets without a parent properly (2517)
156 - don't dereference NULL lock when racing during eviction (2867)
157 - don't grow lock extents when lots of conflicting locks (2919)
159 2004-03-04 Cluster File Systems, Inc. <info@clusterfs.com>
162 - account for cache space usage on clients to avoid data loss (974)
163 - lfsck support in lustre kernel code (2349)
164 - reduce journal credits needed for BRW writes (2370)
165 - orphan handling to avoid losing space on client/server crashes
166 - ptlrpcd can be blocked, stopping ALL progress (2477)
167 - use lock value blocks to assist in proper KMS, faster stat (1021)
168 - takes i_sem instead of DLM locks internally on obdfilter (2720)
169 - recovery for initial connections (2355)
170 - fixes for mds_cleanup_orphans (1934)
171 - abort_recovery crashes MDS in b_eq (mds_unlink_orphan) (2584)
172 - block all file creations until orphan recovery completes (1901)
173 - client remove rq_connection from request struct (2423)
174 - conf-sanity test_5, proper cleanup in umount log not availale (2640)
175 - recovery timer race (2670)
176 - mdc_close recovey bug (2532)
177 - ptlrpc cleanup bug (2710)
178 - mds timeout on local locks (2588)
179 - namespace lock held during RPCs (2431)
180 - handle interrupted sync write properly (2503)
181 - don't try to handle a message that hasn't been replied to (2699)
182 - client assert failure during cleanup after abort recovery (2701)
183 - leak mdc device after failed mount (2712)
184 - ptlrpc_check_set allows timedout requests to complete (2714)
185 - wait for inflight reqs when ptlrpcd finishes (2710)
186 - make sure unregistered services are removed from the srv_list
187 - reset bulk XID's when resending them (caught by 1138 test)
188 - unregister_bulk after timeout
189 - fix lconf error (2694)
190 - handle write after unfinished setstripe, stripe-only getstripe (2388)
191 - readahead locks pages, leaves pending causing memory pressure (2673)
192 - increase OST request buffers to 4096 on large machines (2729)
193 - fix up permission of existing directories in simple_mkdir (2661)
194 - init deleted item, add assertions ptlrpc_abort_inflight() (2725)
195 - don't assign transno to errored transactions (2742)
196 - don't delete objects on OST if given a bogus objid from MDS (2751)
197 - handle large client PAGE_SIZE readdir on small PAGE_SIZE MDS (2777)
198 - if rq_no_resend, then timeout request after recovery (2432)
199 - fix MDS llog_logid record size, 64-bit array alignment (2733)
200 - don't call usermode_helper from ptlrpcd, DEFAULT upcall (2773)
201 - put magic in mount.lustre data, check for bad/NULL mount data (2529)
202 - MDS recovery shouldn't delete objects that it has given out (2730)
203 - if enqueue arrives after completion, don't clobber LVB (2819)
204 - don't unlock pages twice when trigger_group_io returns error (2814)
205 - don't deref NULL rq_repmsg if ldlm_handle_enqueue failed (2822)
206 - don't write pages to disk if there was an error (1450)
207 - don't ping imports that have recovery disabled (2676)
208 - take buffered bytes into account when balancing socknal conn (2817)
209 - hold a DLM lock over readdir always, use truncate_inode_pages (2706)
210 - reconnect unlink llog connection after MDS reconnects to OST (2816)
211 - remove little-endian swabbing of llog records (1987)
212 - set/limit i_blksize to LL_MAX_BLKSIZE on client (2884)
213 - retry reposting request buffers if they fail (1191)
214 - grow extent at grant time to avoid granting a revoked lock (2809)
215 - lock revoke doesn't evict page if covered by a second lock (2765)
216 - disable VM readahead to avoid reading outside lock extents (2805)
218 - return LL_SUPER_MAGIC from statfs for the filesystem type (1972)
219 - updated kernel patches for hp-2.4.20 kernel (2681)
221 2004-02-07 Cluster File Systems, Inc. <info@clusterfs.com>
224 - fix truncated write corruption (2366)
225 - fix for failed assertion in iopen_connect_dentry (1792,2517)
227 - don't flag the ptlrpcd thread with PF_MEMALLOC (2636)
228 - ensure len(uuid) < 37 in lmc (1171)
229 - fix ia64 OOPS in llog_test (2255)
230 - zero end of page at obdfilter for partial page writes (2648)
231 - don't leave stale dentries around after renames (bug 2428)
232 - fix timeouts when evicting a client with a single lock held (2642)
233 - set deadline for the initial HELLO message to drain (2634)
234 - print out dotted-quad IP addresses in the socknal (2302)
236 - additional debugging for MDS client eviction problem (2443)
237 - fix mkfsoptions support for osts (2603, 2604)
239 2004-01-27 Cluster File Systems, Inc. <info@clusterfs.com>
242 - add series for the vanilla 2.6.0 kernel
243 - add series for the vanilla 2.4.24 kernel
244 - add series for a cray x86/64 UL kernel drop
245 - fix xattr patches for the vanilla 2.4.19 series
247 - generate true UUIDs in lmc (1171)
248 - have portals stack dumping break in UML (2466)
249 - avoid bad dchild deref; avoid inum lock w/o creation (2362)
250 - allocate with _NOFS in ldlm to avoid deadlock (1933)
251 - wake callback waiting threads on client eviction (2460)
252 - Add --ptldebug and --subsystem to lmc (1719)
253 - update assertion to allow safe interrupt allocation
254 - set rq_no_resend for cancel requests (2432)
255 - recalculate ptlrpcd timeout after resend (2494)
256 - call vfs_rmdir when removing pending directories (2368)
257 - fix renaming a file to itself (2429)
258 - lmc creates a default one-stripe lov (2454)
259 - expand procfs space to handle large clusters (2326)
260 - increase UML stack to avoid overflow
261 - update lconf's list of debug and subsystem masks
262 - fix lfs find --obd (2510)
263 - /proc tunable for disabling filter read caching (2591)
264 - stop rpm packages from altering slapd.conf (2301)
265 - disable nagle in the socknal under 0conf (2578)
266 - choose mds inode size based on stripe count (2572)
267 - fix kernel-source rpm problems (2516)
269 - add --disable-doc to avoid pdf generation (2421)
270 - update documentation, tests, type-os, comments
271 - avoid format warnings on ia64
273 - tiny code cleanups by removing unused fields
275 2004-01-07 Cluster File Systems, Inc. <info@clusterfs.com>
278 - fix obvious semaphore misuse in as-yet-unused setattr path (2348)
279 - remove the most blatant lies from BUILDING file (2371)
280 - change default debug level to reasonable production setting
281 - reduce client side cache size to reduce cache flush time
282 - reduce max RPCs in flight to avoid unnecessary file fragmentation
283 - make TCP zerocopy and pinger support enabled by default (2476)
284 - sync writes completed after process exits caused crashes (2319)
285 - maintain correct mount count on the MDS (2356)
286 - backout 1557, because 2316 wasn't really fixed
287 - better file I/O statistics gathering in /proc
288 - don't take unnecessary, deadlock-inducing bug in readpage (2383)
289 - another kernel patch to fix zero-copy TCP function export
290 - don't take duplicate lock when processing re-sent getattr (2420)
291 - lctl uses obd_self_export instead of creating new conn (2353)
292 - MDS/OST recovery case which requires object creation asserted (2425)
293 - move lfs from /usr/sbin to /usr/bin in packages
294 - fix race between mds_client_add and mds_client_free (2417)
295 - use kmalloc instead of slabs in portals (2430)
296 - don't create duplicate records when a failover MDS is present (2442)
297 - remove unnecessary mount age check (2332)
298 - don't remove directory inodes from locks prematurely (2451)
299 - don't break if MDS service name is the same as hostname (2103)
300 - fix races in client write RPC generation when cache full (2482)
302 2003-12-13 Cluster File Systems, Inc. <info@clusterfs.com>
305 - remove now-unused request->rq_obd (278)
306 - if an allocation fails, print out how much memory we've used (1933)
307 - use PORTAL_SLAB_ALLOC for structures, to get GFP_MEMALLOC (1933)
308 - add the "configurable stack size" patch to most series files (1256)
309 - ability to write large log records, for 100+ OST configs (2306)
310 - fix NULL deref when filter_prep fails (2314)
311 - fix operator precedence error in filter_sync
312 - dynamic allocation of socknal TX descriptors (2315)
313 - fix a missed case in the GFP_MEMALLOC patch, can cause deadlock (2310)
314 - fix gcc 2.96 compilation problem in xattr kernel patch (2294)
315 - ensure that CWARN messages in Portals always get to the syslog
316 - __init/__exit are not for prototype decls (ldlm_init/exit)
317 - x86-64 compile warning fixes
318 - fix gateway LMC keyword conflict (2318)
319 - fix MDS lock inversions in getattr/reint paths (1844)
320 - fix a rare lock re-ordering bug, which caused deadlock (2322)
321 - fix i_sem/journal inversion in fsfilt_ext3_write_record (2306)
322 - DLM race condition prevented some lock evictions (2328)
323 - ENOMEM detection and retry on socknal sends (2230)
324 - use GFP_NOFS throughout Lustre, to combat ENOMEM (2230)
325 - move osc_rpcd into ptlrpc, for use in MDC and others (2329)
326 - protect MDS inode fsdata with stronger locking; fixes assertion (2313)
327 - better error messages when a client is rejected during recovery (1505)
328 - avoid cancelling locks which were never granted, after failure (2330)
329 - fix i_sem/journal inversion in mds_client_add (2333)
330 - fix truncate/getattr lock cycle deadlock (2334)
331 - use rpcd to send close; allows resend after timeout, avoid leak (1897)
332 - fix two rare exit paths which could leak an l_lock() ref (2321)
333 - fencepost error in MDS/OST orphan recovery (2226)
334 - make log record alignment 8 bytes (1988)
335 - lstripe now fails when requested offset > ost_count (2237)
336 - ensure that all kernel series have a complete list.h (1607)
337 - fix crashes in special-file operations (2316)
338 - lctl create/brw OID mismatch, caused by obsolete filter loop (2339)
340 - allow configurable automake binary, for testing new versions
341 - small update to the lfs documentation
343 2003-12-03 Cluster File Systems, Inc. <info@clusterfs.com>
345 * fix negative export reference count in fsfilt_sync (2312)
347 2003-12-01 Cluster File Systems, Inc. <info@clusterfs.com>
348 * release candidate 0.9.1
350 - orphans are moved into the PENDING directory for possible recovery
351 - replayed opens now open by fid for orphan/rename safety (1042)
352 - last close of an orphan inode generates a transno (683)
353 - chdir() and mount() now pin the directory entry (1020)
354 - avoid CERROR in normal ll_setattr_raw() error case (1500)
355 - discard very old requests without processing them (1502)
356 - remove some common, well-understood CERRORs (1505)
357 - require O_DIRECT I/O to be page-sized to workaround IA64 crash (1609)
358 - clear "grant" flags in OST replies until OST grant code lands (1644)
359 - fix read performance by not clobbering i_blksize on client (1598)
360 - fix __ldlm_handle2lock oops by not dereferencing lock after PUT (1625)
361 - make LRU size a /proc tunable, clears locks when reduced (707)
362 - fix some lprocfs rot that prevented ptlbd from loading (1732)
363 - server locks take references on exports now (1558)
364 - build fixes for 2.4.20-rh trees (1663)
365 - return an error from lov_create if all OSCs are inactive (1751)
366 - fix import levels when a reconnect happens without a timeout (1597)
367 - exit early from mds_open if we get a lookup error (1749)
368 - partial page read at EOF wouldn't wait for disk before sending (1642)
369 - avoid NULL deref in obdfilter when reading page past EOF (1592)
370 - avoid LASSERT in ll_intent_lock if server failed very early (1090)
371 - fix LBUG in ll_it_open_error with rc = -2 (1861)
372 - write/truncate lock inversion (1639)
373 - Don't auto-load obdclass, portals modules during cleanup (1495)
374 - fix timestamps from jumping to "now" (1763)
375 - extra journal assertions (1648)
376 - add an extra multiunlink test (1771)
377 - fix read_record/write_record API (1776)
378 - fix leak of offset_extent, possible incorrect i_size later (1772)
379 - fix lasserts in mis-matched transnos during open-unlink testing (1541)
380 - Debugging for the kqswnal_get_idle_tx problems (1820)
381 - Allow recovery to be attempted multiple times (1536)
382 - Write out MDS last_rcvd file after it is first created (1600)
383 - Fix tx_descriptor leak in failed transmit situations (1827)
384 - ext3 journaling fixes for assertion failure after IO error (1871)
385 - class_export_put() on freed export after completion AST error (1896)
386 - Fix revalidate looping in VFS (1322)
387 - Don't access a freed export during MDS_REINT timeout (1521)
388 - Add open-unlink recovery support on the MDS (1673,1764)
389 - Return an error if no MDS data was read from last_rcvd (1946)
390 - Fix for lookup "." or ".." crash on error (1932,1931,1935)
391 - Don't setup a disk device that doesn't match exported UUID (317)
392 - Reduce bulk RPC timeout to avoid cascading client/OST failures (1845)
393 - avoid committing NULL handle in force close
394 - local.sh is now a one-stripe LOV configuration
395 - POSIX utime.4 -EPERM on FIFO not owned by user (56)
396 - fix ext3 htree duplicate directory entry corruption (1516)
397 - POSIX creat.13, fstat.1, open.18, stat.3 new file atime/mtime (2020)
398 - update to new LOV EA format (2097)
399 - interoperability for different PAGE_SIZE/wordsize (686,1821,1343,2042)
401 2003-06-15 Phil Schwan <phil@clusterfs.com>
404 - imports and exports cleanup too early, need refcounts (349, 879, 1045)
405 - per-import/export recovery handling (958, 931, 959)
406 - multiple last-rcvd slots, for serving multiple FSes (949)
407 - connections are again shared between multiple imp/exports (963, 964)
408 - "umount -f" would hang if any requests needed to be sent (393, 978)
409 - avoid pinning large req buffer by copying for queued messages (989)
410 - add "uuid" to "lctl device" command to help upcalls (991)
411 - "open" RPCs with transnos would confuse recovery counters (1037)
412 - do proper endian conversion of all wire messages (288, 340, 891)
413 - remove OST bulk get LBUGs, fix ost_brw_write cleanup (1126)
414 - call waiting locks callback from LDLM recovery thread (1127, 1151)
415 - fix ptlrpc_connection leak in target_handle_connect (1174)
416 - fix import refcounting bug in OST and MDS cleanup (1134)
417 - if an invalid-at-open-time OSC returned before close(), LBUG (1150)
418 - fix very unlikely obd_types race condition (501)
419 - remove osc_open hack for echo_client (1187)
420 - we leaked exports/dlmimps for forcibly disconnected clients (1143)
421 - a failure in read_inode2 leads to deadlock (1139)
422 - cancel ack-locks as soon as transaction is committed (1072)
423 - fix major leaks and crashes in the bulk I/O path (937, 1057)
424 - make sure to commitrw after any preprw to avoid deadlock (1162)
425 - failing to execute a file in a lustre FS would lock inode (1203)
426 - small DEBUG_REQ fix to avoid dereferencing a NULL (1227)
427 - don't ASSERT while cleaning up an incompletely-setup obd (1248)
428 - obd_uuid2tgt would walk off the end of the list (1255)
429 - on IA64 the osc would give portals incorrect bulk size (1258)
430 - fix debug daemon ioctl interface; allows daemon on ia64 (1274)
431 - fix lock inversion caused by new llite matching code (1282)
432 - limit the number of dirty pages on a client to 10MB (1286)
433 - timed out locks were not being corrected cancelled (1289)
434 - fix O_DIRECT above 4GB on IA-32 (1292)
435 * major user-visible changes
436 - fail out/fail over policy now controlled by the upcall (993)
438 - add OBD_PING to check server availability and failure (954)
439 - lustre messages are now sent in sending host order (288, 340, 891)
440 - add eadatalen to MDS getattr reply (340)
441 - OST read replies may contain second buffer, with per-page status (593)
443 2003-03-11 Phil Schwan <phil@clusterfs.com>
446 - LDLM_DEBUG macro fix, for gcc 3.2 (850)
447 - failed open()s could cause deadlock; fixed (867, 869)
448 - stop cancelling OST locks when files are closed (481)
449 - overlapping XID spaces caused network corruption (851, 853)
450 - fix unsafe fsfilt counter arithmetic; change to atomic_t
451 - setattr_raw added, to do single-RPC, server-side setattrs
452 - lmc/lconf syntax change for OST UUIDs
453 - fix crashy race condition between ptlrpc_free_req and osc_close
454 - don't use request in mdc_enqueue if we hit a timeout (889)
455 - don't set the inode i_size for regular files from the MDS (896)
456 - handle out of order completion AST (842)
457 - don't LBUG if a lock request times out after receiving AST (913)
458 - avoid d_rehash race in ll_find_alias by rehashing inside dcache_lock
459 - if a bad lock AST arrives, send an error instead of dropping entirely
460 - return 0 from revalidate2 if ll_intent_lock returns -EINTR (912)
461 - fix leak in bulk IO when only partially completed (899, 900, 926)
462 - fix O_DIRECT for ia64 (55)
463 - (almost) eliminate Lustre-kernel-thread effects on load average (722)
464 - C-z after timeout could hang a process forever; fixed (977)
466 - client-side I/O cache (678, 924, 929, 941, 970)
468 - READPAGE and SETATTRs which don't take server-side locks get
471 2003-02-11 Phil Schwan <phil@clusterfs.com>
474 - Fix ldlm_lock_match on the MDS to avoid matching remote locks (592)
475 - Fix fsfilt_extN_readpage() to read a full page of directory
476 entries, or fake the remainder if PAGE_SIZE != blocksize (500)
477 - Avoid extra mdc_getattr() in ll_intent_lock when possible (534, 604)
478 - Fix imbalanced LOV object allocation and out-of-bound access (469)
479 - Most intent operations were removed, in favour of a new RPC mode
480 that does a single RPC to the server and bypasses most of the VFS
481 - All LDLM resource ID arrays were removed in favour of ldlm_res_id
482 - Aggressively cancel local locks on DLM servers
483 - mds_reint_unlink sends EA to the client if it's the last nlink.
484 client uses that EA to unlink OST objects.
485 - mds_reint_{rename,unlink,link} were rewritten to take ordered locks
486 - recursive symlinks were fixed (439)
487 - fixed NULL deref in DEBUG_REQ
488 - filter_update_lastobjid no longer calls sync, which annoyed extN
489 - fixed multi-client small-writes to a single file problem (445)
490 - fixed mtime updates during file writes (607)
491 - fixed vector writes on obdfilter causing problems when ENOSPC (670)
492 - fixed bug in obd_brw_read/write() (under guise of testing 367)
493 - fixed Linux OST size reporting problem (444, 656)
494 - OST now updates object mtime with writes or setattr (607, 619)
495 - client verifies file size before zeroing page past EOF (445)
496 - OST now writes last allocated objid to disk with allocation (108)
497 - LOV on echo now works (409)
499 - mds_reint_unlink sends a new buffer, with the EA included. this
500 buffer is only valid if body->valid & OBD_MD_FLEASIZE, which is only
501 set if a regular file was being unlinked, and it was the last link
502 - use PtlGet from the target for bulk writes (315)
503 - OST now updates object mtime with writes or setattr (607, 619)
504 - LDLM now has a grant-time callback to revalidate locked items, if
506 - Many MDS operations were reorganized to combat race conditions
508 - Merge b_intel branch (updated lprocfs code) - now at /proc/fs/lustre
509 - configure check to avoid gcc version 2.96 20000731-2.96-98) (606)
511 2003-01-06 Andreas Dilger <adilger@clusterfs.com>
514 - Fully reactivate OST imports after reconnection (512, others)
515 - Make sure client sees our -ENOTCONN from mds_handle (513 - partial)
516 - More graceful error handling for truncating on dead OST (515)
517 - Don't error out unless we're actually accessing dead stripes (474)
518 - Fix garbage sizes when stripes are missing (410)
519 - LRU counters were broken, causing constant lock purge (433, 432)
520 - garbage on read from stripes with failed OSTs (441)
521 - mark OSCs as active before reconnecting during recovery (438)
522 - lov_enqueue and lov_cancel need to handle inactive OSTs (403)
523 - lfind did not preserve OST order in output (443)
524 - symlinks cause hung clients, incorrect data (439)
525 - stop dereferencing request after dropping refcount (457)
526 - don't LASSERT(spin_is_locked) on non-SMP (455)
527 - fixes for many rename() bugs
528 - fstat didn't correctly synchronize attributes (399)
529 - server must handle lock cancellation during blocking AST prep (487)
530 - bulk descriptors were free()d too soon (511)
531 - fix paths in lconf, which would load incorrect modules (451, 507)
532 - fix confusing lconf 'host not found' error message (386)
533 - fix lock order deadlock on OST (O/R i_sem before journal ops, 478)
534 - fix race condition in mdc_blocking_ast() for inode access (526)
535 - fix lov_unpackmd() unpacking wrong number of stripes (537)
536 - fix lov_set_osc_active() marking wrong OSC inactive (440)
537 - fix bad lstripe lov_unpackmd() assertion (fix layering too) (527)
538 - fix multiple writes of stripe MD to MDS (358, maybe 519)
539 - fix lstripe in several ways (kernel side) (527)
540 - fix request leak in ldlm_cli_enqueue (262)
541 - incorrect OSC was marked inactive after OST failure
542 - call mds_fs_cleanup before unmounting filesystem (524)
543 - fix races between taking ns_lock and ldlm_lock_change_resource
544 - fix races updating LOV export open file list
545 - fix lov_enqueue error path, avoid decref-ing bad lock handle
546 - fix recovery NULL deref in ldlm_cli_cancel_unused
547 - fix some DLM races by using new hash table for lock handles (419)
548 - permit the client to specify desired inodes, at replay
549 - duplicate requests when we queue them for replay reintegration
550 - fix last_rcvd offset calculation
551 - sync after each recovered transaction, so we always make progress
552 - never, not always, ERESTART requests without transnos
553 - store the lov_desc in the MDS, so we don't depend on getlovinfo to
555 - skip replay if the MDS says that the client is already connected
556 - don't check for a recovery-enabled export to match lctl's UUID
557 - don't INC_USE_COUNT for phantom exports
558 - don't crash when cleaning up phantom exports (567)
559 - don't double-finish or set replay data for errored mdc_open requests
560 - abort requests when they time out, so we don't get old replies
561 - send/receive replies for AST messages again
562 - if the client says that it doesn't have the lock, cancel it on the
564 - if we timeout during I/O, don't try to cancel an in-use lock; instead
565 mark it as destroyed, it will all work out when decref is called
566 - fix module use counts (22, 581)
568 - ASTs now expect a reply (server cancels lock on error reply)
570 2002-12-02 Andreas Dilger <adilger@clusterfs.com>
573 - fix many simultaneous client startup (392)
574 - fix dentry->d_it clobbering
575 - credentials weren't being shipped for readdir/getattr operations
576 - remove invalid assertions triggered during some concurrent MD
578 - proper Lustre versions added (336, 389)
579 - fix memory leak for create error case (398)
580 - fix LOV locking bug that would get cli/srv out of sync
581 - fix echo client over LOV (409)
582 - fix dbench 2, extN refcount problem (170, 258, 356, 418)
583 - fix double-O_EXCL intent crash (424)
584 - avoid sending multiple lock CANCELs (352)
586 - MDS can do multi-client recovery (modulo bugs in new code)
588 - many updates, edits, cleanups
590 2002-11-18 Phil Schwan <phil@clusterfs.com>
593 - fix null d_it dereference (346)
594 - fix full OST/dbench hang (333)
595 - fix permission problem with file removal (286)
596 - fix removal of OSCs from LOV when they fail
597 - fix NULL deref during bulk timeout (214)
598 - fix problems related to multiple filesystems on one MDS (241)
599 - fixed serious subtle metadata locking bugs
600 - free locks on clients when inodes are removed due to memory
602 - fix inode pointer in lock data (285)
603 - partial support for multiple MDS on a single host (241)
604 - data locks weren't cancelled at clear_inode time (290, 311)
605 - intent locks could lead to unbounded lock growth (205)
606 - added a maximum lock count, an LRU list, and a flusher
607 - fix multiple rename (365)
608 - properly abstracted the echo client
609 - OSC locked 1 byte too many; fixed
610 - rewrote brw callback code:
611 - fixed recovery bugs related to LOVs (306)
612 - fixed too-many-pages-in-one-write crash (191)
613 - fixed (again) crash in sync_io_timeout (214)
614 - probably fixed callback-related race (385)
616 - Add capability to MDS protocol
617 - LDLM cancellations and callbacks on different portals
619 2002-10-28 Andreas Dilger <adilger@clusterfs.com>
622 - limit client IOV size to PTL_MD_MAX_IOV (611336, 191)
623 - defer open object destruction to close time (601981, 138)
624 - open/close OST file handle in obdo (OBD_MD_FLHANDLE) (601981, 138)
625 - move LDLM_ENQUEUE/CONVERT back to MDS portal (625069)
626 - abstract ll_lookup2, fix ll_revalidate2 to use abstraction (256)
627 - don't call obd_setattr in ll_file_release for destroyed objects
628 * protocol change to lustre_msg: move |version| and add |flags|
629 * protocol change to osc_punch: "start" in "o_size", "end" in "o_blocks"
630 * lock replay: for LDLM_FL_REPLAY trust client to do right thing
631 * added replay of create, unlink, link and rename operations during
632 MDS failover; recovery should be much more robust now
633 * remove failed OSCs from LOVs (only lov_create uses this so far)
634 * the lustre-HOWTO was brought (more) up to date (582544)
636 2002-10-23 Phil Schwan <phil@clusterfs.com>
639 - in-use dentries weren't being reused properly (617851)
640 - prevent multiple LDLM setup (599178)
641 - fix LOV size calculations for truncate (617853)
642 - fix client handling of MDS intent errors (POSIX)
643 - fix permission bug in lovstripe.c test (624321)
644 - fix MDS thread deadlock - move LDLM handler to DLM portal (625069)
645 - truncate past end of file could corrupt data
646 - proper cleanup after timeouts, crashes, etc (592524, 550815)
647 - a race in recovery could return ETIMEDOUT to apps (623947)
648 - building outside the source directory was fixed
649 * the lustre-HOWTO was brought (more) up to date (582544)
650 * major progress was made on recovery functionality
652 2002-10-10 Phil Schwan <phil@clusterfs.com>
655 - recovery deadlock fix
656 - rm -rf causes LBUG fix (617817)
657 - file open by multiple tasks fix (618962)
658 - directory permissions bugs (602707 and 620007)
659 - journal_stop fixed with locking (611313)
660 - O_APPEND failures resolved (618273, perhaps 614459)
661 - lconf PATH fix (619770)
662 - IA64 build fix (621450)
663 - RPC buffer sizes scale with amount of memory
665 2002-10-01 Phil Schwan <phil@clusterfs.com>
668 - locks would be cancelled without throwing away data pages,
669 resulting in inconsistent data (605627)
670 - inode attributes were not always being refreshed (605627, 612449)
671 - lconf now continues to cleanup after lctl reports an error
672 - MDS now enforces user permissions (602707)
673 - lprocfs cleanup fixed, but not yet enabled (614157)
674 - fixed infinite server hang, should a client not respond to an AST
675 - avoid going into recovery if user calls readlink() with a buffer
676 that's too small (613941)
677 - AST RPCs no longer require replies (614867) -- this may be changed
678 - don't crash server if client sends an IOV that's too big (611336)
679 - fixed lock conversion deadlock (611892)
680 - fixed the following of symlinks (614622)
681 * recovery: the server can remove locks from a client that dies, other
682 clients can make progress
683 * more extN patch fixes
684 * compile-time configurable ptlrpc buffer allocations
686 - collaborative read cache document
687 - Lustre Lite Performance CDR document-in-progress
689 2002-09-20 Andreas Dilger <adilger@clusterfs.com>
692 - fix typo in patch-2.4.18
694 2002-09-20 Andreas Dilger <adilger@clusterfs.com>
697 - clear ptlrpc request each time in handle_incoming_request()
698 - unlink of files now destroys the object on the OST
700 2002-09-19 Peter Braam <braam@clusterfs.com>
702 * add hard link support
703 * change obdfile creation method
704 * kernel patch changed
706 2002-09-19 Peter Braam <braam@clusterfs.com>
709 - stack overflow bug in extN fixed
711 2002-09-18 Andreas Dilger <adilger@clusterfs.com>
713 * documentation updates
714 - add man pages for config tools
715 - update tests/README to describe testing with new config tools
716 - finish metadata API descriptions
717 * bug fixes and cleanups
718 - statfs workaround for 16TB limit
719 - LOV stripe allocation improved, can stripe on subset of OSTs
720 - LOV file size/IO offset was wrong for files > 4GB in size
721 - object EA data was being dropped, caused files to be unreadable
722 - memory overflow with non-LOV OST caused memory corruption
723 - fixed regression tests to work with new config tools, obdfilter
724 - fixed bug when directory size became larger than 1 block
725 - fixed bug (for single client case) when PWD was deleted
726 - invalidate local directory pages when doing intent-based ops
727 - avoid LDLM oops when lock callback contained bad data
729 2002-09-09 Andreas Dilger <adilger@clusterfs.com>
731 * documentation updates
732 * bug fixes and cleanups
733 - configuration tools
736 - 64-bit compile warnings
737 - 64-bit internal statfs data
739 * test_brw on persistent OST devices
743 2002-09-04 Andreas Dilger <adilger@clusterfs.com>
745 * documentation updates
746 * bug fixes and cleanups
747 * configuration tools
749 2002-08-30 Peter J. Braam <braam@clusterfs.com>
752 * many small fixes to 0_5_4
753 * io/network handling
754 * thinkos in MDS operations
756 2002-08-24 Peter J. Braam <braam@clusterfs.com>
759 * crucial basic fixes to 0.5.3
760 * IOR, Iozone work over Elan
763 2002-08-07 Phil Schwan <phil@clusterfs.com>
764 * version 0_5_3, our first alpha
765 * we use the new Portals iovs
766 * documentation updates
767 * bug fixes and cleanups
768 * small changes in the DLM wire protocol
770 2002-07-25 Peter J. Braam <braam@clusterfs.com>
771 * version 0_5_1 with some initial stability,
772 * locking on MD and file I/O.
773 * documentation updates
774 * several bug fixes since 0.5.0
775 * small changes in wire protocol
777 2002-07-18 Phil Schwan <phil@clusterfs.com>
779 * delivered as Lustre Light Alpha
780 * fixed a crash after handling invalid MDS requests
781 * fixed directory pages for architectures with non-4k pages sizes
783 2002-07-11 Andreas Dilger <adilger@clusterfs.com>
784 * release version v0_4_4
785 * Moves TCP acceptor to be on port 2432 (unused Coda port) instead
787 * Fixes a number of interruption problems with OST operations.
788 * Update documentation for portals header changes
789 * Move all wire protocol structs/defines to lustre_idl.h
790 * Fixes symlink length bug.
791 * Add tcpdump to repository.
793 2002-07-05 Andreas Dilger <adilger@clusterfs.com>
794 * release version v0_4_3
795 * Fixes statfs for inodes on extN.
796 * Fixes bug in runtests which would delete /etc/hosts.
797 * Use 64-bit object IDs wherever possible (not into VFS though)
798 Remove ost_get_info, which is unused by lustre, and out of date.
800 2002-07-03 Peter Braam <braam@clusterfs.com>
801 * release version v0_4_2 Fixes a lookup error (type not passed)
802 * move forward to head of Portals
803 * move forward to latest Lustre kernel
805 2002-06-25 Peter Braam <braam@clusterfs.com>
806 * release version v0_4_1. Hopefully stable on single node use.