-TBA
+tbd Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.2.1
+ * bug fixes
+ - fixes for glimpse AST timeouts / incorrectly 0-sized files (2818)
+ - don't overwrite extent policy data in reply if lock was blocked (2901)
+ - drop filter export grants atomically with removal from device (2663)
+ - del obd_self_export from work_list in class_disconnect_exports (2908)
+ - don't LBUG if MDS recovery times out during orphan cleanup (2530)
+ - swab reply message in mdc_close, other PPC fixes (2464)
+ - fix destroying of named logs (2325)
+ - overwrite old logs when running lconf --write_conf (2264)
+ - bump LLOG_CHUNKSIZE to 8k to allow for larger clusters (2306)
+ - fix race in target_handle_connect (2898)
+
+2004-03-04 Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.2.0
+ * bug fixes
+ - account for cache space usage on clients to avoid data loss (974)
+ - lfsck support in lustre kernel code (2349)
+ - reduce journal credits needed for BRW writes (2370)
+ - orphan handling to avoid losing space on client/server crashes
+ - ptlrpcd can be blocked, stopping ALL progress (2477)
+ - use lock value blocks to assist in proper KMS, faster stat (1021)
+ - takes i_sem instead of DLM locks internally on obdfilter (2720)
+ - recovery for initial connections (2355)
+ - fixes for mds_cleanup_orphans (1934)
+ - abort_recovery crashes MDS in b_eq (mds_unlink_orphan) (2584)
+ - block all file creations until orphan recovery completes (1901)
+ - client remove rq_connection from request struct (2423)
+ - conf-sanity test_5, proper cleanup in umount log not availale (2640)
+ - recovery timer race (2670)
+ - mdc_close recovey bug (2532)
+ - ptlrpc cleanup bug (2710)
+ - mds timeout on local locks (2588)
+ - namespace lock held during RPCs (2431)
+ - handle interrupted sync write properly (2503)
+ - don't try to handle a message that hasn't been replied to (2699)
+ - client assert failure during cleanup after abort recovery (2701)
+ - leak mdc device after failed mount (2712)
+ - ptlrpc_check_set allows timedout requests to complete (2714)
+ - wait for inflight reqs when ptlrpcd finishes (2710)
+ - make sure unregistered services are removed from the srv_list
+ - reset bulk XID's when resending them (caught by 1138 test)
+ - unregister_bulk after timeout
+ - fix lconf error (2694)
+ - handle write after unfinished setstripe, stripe-only getstripe (2388)
+ - readahead locks pages, leaves pending causing memory pressure (2673)
+ - increase OST request buffers to 4096 on large machines (2729)
+ - fix up permission of existing directories in simple_mkdir (2661)
+ - init deleted item, add assertions ptlrpc_abort_inflight() (2725)
+ - don't assign transno to errored transactions (2742)
+ - don't delete objects on OST if given a bogus objid from MDS (2751)
+ - handle large client PAGE_SIZE readdir on small PAGE_SIZE MDS (2777)
+ - if rq_no_resend, then timeout request after recovery (2432)
+ - fix MDS llog_logid record size, 64-bit array alignment (2733)
+ - don't call usermode_helper from ptlrpcd, DEFAULT upcall (2773)
+ - put magic in mount.lustre data, check for bad/NULL mount data (2529)
+ - MDS recovery shouldn't delete objects that it has given out (2730)
+ - if enqueue arrives after completion, don't clobber LVB (2819)
+ - don't unlock pages twice when trigger_group_io returns error (2814)
+ - don't deref NULL rq_repmsg if ldlm_handle_enqueue failed (2822)
+ - don't write pages to disk if there was an error (1450)
+ - don't ping imports that have recovery disabled (2676)
+ - take buffered bytes into account when balancing socknal conn (2817)
+ - hold a DLM lock over readdir always, use truncate_inode_pages (2706)
+ - reconnect unlink llog connection after MDS reconnects to OST (2816)
+ - remove little-endian swabbing of llog records (1987)
+ - set/limit i_blksize to LL_MAX_BLKSIZE on client (2884)
+ - retry reposting request buffers if they fail (1191)
+ - grow extent at grant time to avoid granting a revoked lock (2809)
+ - lock revoke doesn't evict page if covered by a second lock (2765)
+ - disable VM readahead to avoid reading outside lock extents (2805)
+ * miscellania
+ - return LL_SUPER_MAGIC from statfs for the filesystem type (1972)
+ - updated kernel patches for hp-2.4.20 kernel (2681)
+
+2004-02-07 Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.0.4
+ * kernel patches
+ - fix truncated write corruption (2366)
+ - fix for failed assertion in iopen_connect_dentry (1792,2517)
+ * bug fixes
+ - don't flag the ptlrpcd thread with PF_MEMALLOC (2636)
+ - ensure len(uuid) < 37 in lmc (1171)
+ - fix ia64 OOPS in llog_test (2255)
+ - zero end of page at obdfilter for partial page writes (2648)
+ - don't leave stale dentries around after renames (bug 2428)
+ - fix timeouts when evicting a client with a single lock held (2642)
+ - set deadline for the initial HELLO message to drain (2634)
+ - print out dotted-quad IP addresses in the socknal (2302)
+ * miscellania
+ - additional debugging for MDS client eviction problem (2443)
+ - fix mkfsoptions support for osts (2603, 2604)
+
+2004-01-27 Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.0.3
+ * kernel patches
+ - add series for the vanilla 2.6.0 kernel
+ - add series for the vanilla 2.4.24 kernel
+ - add series for a cray x86/64 UL kernel drop
+ - fix xattr patches for the vanilla 2.4.19 series
+ * bug fixes
+ - generate true UUIDs in lmc (1171)
+ - have portals stack dumping break in UML (2466)
+ - avoid bad dchild deref; avoid inum lock w/o creation (2362)
+ - allocate with _NOFS in ldlm to avoid deadlock (1933)
+ - wake callback waiting threads on client eviction (2460)
+ - Add --ptldebug and --subsystem to lmc (1719)
+ - update assertion to allow safe interrupt allocation
+ - set rq_no_resend for cancel requests (2432)
+ - recalculate ptlrpcd timeout after resend (2494)
+ - call vfs_rmdir when removing pending directories (2368)
+ - fix renaming a file to itself (2429)
+ - lmc creates a default one-stripe lov (2454)
+ - expand procfs space to handle large clusters (2326)
+ - increase UML stack to avoid overflow
+ - update lconf's list of debug and subsystem masks
+ - fix lfs find --obd (2510)
+ - /proc tunable for disabling filter read caching (2591)
+ - stop rpm packages from altering slapd.conf (2301)
+ - disable nagle in the socknal under 0conf (2578)
+ - choose mds inode size based on stripe count (2572)
+ - fix kernel-source rpm problems (2516)
+ * miscellania
+ - add --disable-doc to avoid pdf generation (2421)
+ - update documentation, tests, type-os, comments
+ - avoid format warnings on ia64
+ - remove the TOE NAL
+ - tiny code cleanups by removing unused fields
+
+2004-01-07 Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.0.2
+ * bug fixes
+ - fix obvious semaphore misuse in as-yet-unused setattr path (2348)
+ - remove the most blatant lies from BUILDING file (2371)
+ - change default debug level to reasonable production setting
+ - reduce client side cache size to reduce cache flush time
+ - reduce max RPCs in flight to avoid unnecessary file fragmentation
+ - make TCP zerocopy and pinger support enabled by default (2476)
+ - sync writes completed after process exits caused crashes (2319)
+ - maintain correct mount count on the MDS (2356)
+ - backout 1557, because 2316 wasn't really fixed
+ - better file I/O statistics gathering in /proc
+ - don't take unnecessary, deadlock-inducing bug in readpage (2383)
+ - another kernel patch to fix zero-copy TCP function export
+ - don't take duplicate lock when processing re-sent getattr (2420)
+ - lctl uses obd_self_export instead of creating new conn (2353)
+ - MDS/OST recovery case which requires object creation asserted (2425)
+ - move lfs from /usr/sbin to /usr/bin in packages
+ - fix race between mds_client_add and mds_client_free (2417)
+ - use kmalloc instead of slabs in portals (2430)
+ - don't create duplicate records when a failover MDS is present (2442)
+ - remove unnecessary mount age check (2332)
+ - don't remove directory inodes from locks prematurely (2451)
+ - don't break if MDS service name is the same as hostname (2103)
+ - fix races in client write RPC generation when cache full (2482)
+
+2003-12-13 Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.0.1
+ * bug fixes
+ - remove now-unused request->rq_obd (278)
+ - if an allocation fails, print out how much memory we've used (1933)
+ - use PORTAL_SLAB_ALLOC for structures, to get GFP_MEMALLOC (1933)
+ - add the "configurable stack size" patch to most series files (1256)
+ - ability to write large log records, for 100+ OST configs (2306)
+ - fix NULL deref when filter_prep fails (2314)
+ - fix operator precedence error in filter_sync
+ - dynamic allocation of socknal TX descriptors (2315)
+ - fix a missed case in the GFP_MEMALLOC patch, can cause deadlock (2310)
+ - fix gcc 2.96 compilation problem in xattr kernel patch (2294)
+ - ensure that CWARN messages in Portals always get to the syslog
+ - __init/__exit are not for prototype decls (ldlm_init/exit)
+ - x86-64 compile warning fixes
+ - fix gateway LMC keyword conflict (2318)
+ - fix MDS lock inversions in getattr/reint paths (1844)
+ - fix a rare lock re-ordering bug, which caused deadlock (2322)
+ - fix i_sem/journal inversion in fsfilt_ext3_write_record (2306)
+ - DLM race condition prevented some lock evictions (2328)
+ - ENOMEM detection and retry on socknal sends (2230)
+ - use GFP_NOFS throughout Lustre, to combat ENOMEM (2230)
+ - move osc_rpcd into ptlrpc, for use in MDC and others (2329)
+ - protect MDS inode fsdata with stronger locking; fixes assertion (2313)
+ - better error messages when a client is rejected during recovery (1505)
+ - avoid cancelling locks which were never granted, after failure (2330)
+ - fix i_sem/journal inversion in mds_client_add (2333)
+ - fix truncate/getattr lock cycle deadlock (2334)
+ - use rpcd to send close; allows resend after timeout, avoid leak (1897)
+ - fix two rare exit paths which could leak an l_lock() ref (2321)
+ - fencepost error in MDS/OST orphan recovery (2226)
+ - make log record alignment 8 bytes (1988)
+ - lstripe now fails when requested offset > ost_count (2237)
+ - ensure that all kernel series have a complete list.h (1607)
+ - fix crashes in special-file operations (2316)
+ - lctl create/brw OID mismatch, caused by obsolete filter loop (2339)
+ * miscellania
+ - allow configurable automake binary, for testing new versions
+ - small update to the lfs documentation
+
+2003-12-03 Cluster File Systems, Inc. <info@clusterfs.com>
+ * version 1.0.0
+ * fix negative export reference count in fsfilt_sync (2312)
+
+2003-12-01 Cluster File Systems, Inc. <info@clusterfs.com>
+ * release candidate 0.9.1
+ * bug fixes
+ - orphans are moved into the PENDING directory for possible recovery
+ - replayed opens now open by fid for orphan/rename safety (1042)
+ - last close of an orphan inode generates a transno (683)
+ - chdir() and mount() now pin the directory entry (1020)
+ - avoid CERROR in normal ll_setattr_raw() error case (1500)
+ - discard very old requests without processing them (1502)
+ - remove some common, well-understood CERRORs (1505)
+ - require O_DIRECT I/O to be page-sized to workaround IA64 crash (1609)
+ - clear "grant" flags in OST replies until OST grant code lands (1644)
+ - fix read performance by not clobbering i_blksize on client (1598)
+ - fix __ldlm_handle2lock oops by not dereferencing lock after PUT (1625)
+ - make LRU size a /proc tunable, clears locks when reduced (707)
+ - fix some lprocfs rot that prevented ptlbd from loading (1732)
+ - server locks take references on exports now (1558)
+ - build fixes for 2.4.20-rh trees (1663)
+ - return an error from lov_create if all OSCs are inactive (1751)
+ - fix import levels when a reconnect happens without a timeout (1597)
+ - exit early from mds_open if we get a lookup error (1749)
+ - partial page read at EOF wouldn't wait for disk before sending (1642)
+ - avoid NULL deref in obdfilter when reading page past EOF (1592)
+ - avoid LASSERT in ll_intent_lock if server failed very early (1090)
+ - fix LBUG in ll_it_open_error with rc = -2 (1861)
+ - write/truncate lock inversion (1639)
+ - Don't auto-load obdclass, portals modules during cleanup (1495)
+ - fix timestamps from jumping to "now" (1763)
+ - extra journal assertions (1648)
+ - add an extra multiunlink test (1771)
+ - fix read_record/write_record API (1776)
+ - fix leak of offset_extent, possible incorrect i_size later (1772)
+ - fix lasserts in mis-matched transnos during open-unlink testing (1541)
+ - Debugging for the kqswnal_get_idle_tx problems (1820)
+ - Allow recovery to be attempted multiple times (1536)
+ - Write out MDS last_rcvd file after it is first created (1600)
+ - Fix tx_descriptor leak in failed transmit situations (1827)
+ - ext3 journaling fixes for assertion failure after IO error (1871)
+ - class_export_put() on freed export after completion AST error (1896)
+ - Fix revalidate looping in VFS (1322)
+ - Don't access a freed export during MDS_REINT timeout (1521)
+ - Add open-unlink recovery support on the MDS (1673,1764)
+ - Return an error if no MDS data was read from last_rcvd (1946)
+ - Fix for lookup "." or ".." crash on error (1932,1931,1935)
+ - Don't setup a disk device that doesn't match exported UUID (317)
+ - Reduce bulk RPC timeout to avoid cascading client/OST failures (1845)
+ - avoid committing NULL handle in force close
+ - local.sh is now a one-stripe LOV configuration
+ - POSIX utime.4 -EPERM on FIFO not owned by user (56)
+ - fix ext3 htree duplicate directory entry corruption (1516)
+ - POSIX creat.13, fstat.1, open.18, stat.3 new file atime/mtime (2020)
+ - update to new LOV EA format (2097)
+ - interoperability for different PAGE_SIZE/wordsize (686,1821,1343,2042)
+
+2003-06-15 Phil Schwan <phil@clusterfs.com>
+ * version v0_7
+ * bug fixes
+ - imports and exports cleanup too early, need refcounts (349, 879, 1045)
+ - per-import/export recovery handling (958, 931, 959)
+ - multiple last-rcvd slots, for serving multiple FSes (949)
+ - connections are again shared between multiple imp/exports (963, 964)
+ - "umount -f" would hang if any requests needed to be sent (393, 978)
+ - avoid pinning large req buffer by copying for queued messages (989)
+ - add "uuid" to "lctl device" command to help upcalls (991)
+ - "open" RPCs with transnos would confuse recovery counters (1037)
+ - do proper endian conversion of all wire messages (288, 340, 891)
+ - remove OST bulk get LBUGs, fix ost_brw_write cleanup (1126)
+ - call waiting locks callback from LDLM recovery thread (1127, 1151)
+ - fix ptlrpc_connection leak in target_handle_connect (1174)
+ - fix import refcounting bug in OST and MDS cleanup (1134)
+ - if an invalid-at-open-time OSC returned before close(), LBUG (1150)
+ - fix very unlikely obd_types race condition (501)
+ - remove osc_open hack for echo_client (1187)
+ - we leaked exports/dlmimps for forcibly disconnected clients (1143)
+ - a failure in read_inode2 leads to deadlock (1139)
+ - cancel ack-locks as soon as transaction is committed (1072)
+ - fix major leaks and crashes in the bulk I/O path (937, 1057)
+ - make sure to commitrw after any preprw to avoid deadlock (1162)
+ - failing to execute a file in a lustre FS would lock inode (1203)
+ - small DEBUG_REQ fix to avoid dereferencing a NULL (1227)
+ - don't ASSERT while cleaning up an incompletely-setup obd (1248)
+ - obd_uuid2tgt would walk off the end of the list (1255)
+ - on IA64 the osc would give portals incorrect bulk size (1258)
+ - fix debug daemon ioctl interface; allows daemon on ia64 (1274)
+ - fix lock inversion caused by new llite matching code (1282)
+ - limit the number of dirty pages on a client to 10MB (1286)
+ - timed out locks were not being corrected cancelled (1289)
+ - fix O_DIRECT above 4GB on IA-32 (1292)
+ * major user-visible changes
+ - fail out/fail over policy now controlled by the upcall (993)
+ * protocol changes
+ - add OBD_PING to check server availability and failure (954)
+ - lustre messages are now sent in sending host order (288, 340, 891)
+ - add eadatalen to MDS getattr reply (340)
+ - OST read replies may contain second buffer, with per-page status (593)
+
+2003-03-11 Phil Schwan <phil@clusterfs.com>
+ * version v0_6
+ * bug fixes
+ - LDLM_DEBUG macro fix, for gcc 3.2 (850)
+ - failed open()s could cause deadlock; fixed (867, 869)
+ - stop cancelling OST locks when files are closed (481)
+ - overlapping XID spaces caused network corruption (851, 853)
+ - fix unsafe fsfilt counter arithmetic; change to atomic_t
+ - setattr_raw added, to do single-RPC, server-side setattrs
+ - lmc/lconf syntax change for OST UUIDs
+ - fix crashy race condition between ptlrpc_free_req and osc_close
+ - don't use request in mdc_enqueue if we hit a timeout (889)
+ - don't set the inode i_size for regular files from the MDS (896)
+ - handle out of order completion AST (842)
+ - don't LBUG if a lock request times out after receiving AST (913)
+ - avoid d_rehash race in ll_find_alias by rehashing inside dcache_lock
+ - if a bad lock AST arrives, send an error instead of dropping entirely
+ - return 0 from revalidate2 if ll_intent_lock returns -EINTR (912)
+ - fix leak in bulk IO when only partially completed (899, 900, 926)
+ - fix O_DIRECT for ia64 (55)
+ - (almost) eliminate Lustre-kernel-thread effects on load average (722)
+ - C-z after timeout could hang a process forever; fixed (977)
+ * Features
+ - client-side I/O cache (678, 924, 929, 941, 970)
+ * protocol changes
+ - READPAGE and SETATTRs which don't take server-side locks get
+ their own portal
+
+2003-02-11 Phil Schwan <phil@clusterfs.com>
+ * version v0_5_20
+ * bug fixes
+ - Fix ldlm_lock_match on the MDS to avoid matching remote locks (592)
+ - Fix fsfilt_extN_readpage() to read a full page of directory
+ entries, or fake the remainder if PAGE_SIZE != blocksize (500)
+ - Avoid extra mdc_getattr() in ll_intent_lock when possible (534, 604)
+ - Fix imbalanced LOV object allocation and out-of-bound access (469)
+ - Most intent operations were removed, in favour of a new RPC mode
+ that does a single RPC to the server and bypasses most of the VFS
+ - All LDLM resource ID arrays were removed in favour of ldlm_res_id
+ - Aggressively cancel local locks on DLM servers
+ - mds_reint_unlink sends EA to the client if it's the last nlink.
+ client uses that EA to unlink OST objects.
+ - mds_reint_{rename,unlink,link} were rewritten to take ordered locks
+ - recursive symlinks were fixed (439)
+ - fixed NULL deref in DEBUG_REQ
+ - filter_update_lastobjid no longer calls sync, which annoyed extN
+ - fixed multi-client small-writes to a single file problem (445)
+ - fixed mtime updates during file writes (607)
+ - fixed vector writes on obdfilter causing problems when ENOSPC (670)
+ - fixed bug in obd_brw_read/write() (under guise of testing 367)
+ - fixed Linux OST size reporting problem (444, 656)
+ - OST now updates object mtime with writes or setattr (607, 619)
+ - client verifies file size before zeroing page past EOF (445)
+ - OST now writes last allocated objid to disk with allocation (108)
+ - LOV on echo now works (409)
+ * protocol changes
+ - mds_reint_unlink sends a new buffer, with the EA included. this
+ buffer is only valid if body->valid & OBD_MD_FLEASIZE, which is only
+ set if a regular file was being unlinked, and it was the last link
+ - use PtlGet from the target for bulk writes (315)
+ - OST now updates object mtime with writes or setattr (607, 619)
+ - LDLM now has a grant-time callback to revalidate locked items, if
+ necessary (604)
+ - Many MDS operations were reorganized to combat race conditions
+ * other changes
+ - Merge b_intel branch (updated lprocfs code) - now at /proc/fs/lustre
+ - configure check to avoid gcc version 2.96 20000731-2.96-98) (606)
+
+2003-01-06 Andreas Dilger <adilger@clusterfs.com>
+ * version v0_5_19
+ * bug fixes
+ - Fully reactivate OST imports after reconnection (512, others)
+ - Make sure client sees our -ENOTCONN from mds_handle (513 - partial)
+ - More graceful error handling for truncating on dead OST (515)
+ - Don't error out unless we're actually accessing dead stripes (474)
+ - Fix garbage sizes when stripes are missing (410)
+ - LRU counters were broken, causing constant lock purge (433, 432)
+ - garbage on read from stripes with failed OSTs (441)
+ - mark OSCs as active before reconnecting during recovery (438)
+ - lov_enqueue and lov_cancel need to handle inactive OSTs (403)
+ - lfind did not preserve OST order in output (443)
+ - symlinks cause hung clients, incorrect data (439)
+ - stop dereferencing request after dropping refcount (457)
+ - don't LASSERT(spin_is_locked) on non-SMP (455)
+ - fixes for many rename() bugs
+ - fstat didn't correctly synchronize attributes (399)
+ - server must handle lock cancellation during blocking AST prep (487)
+ - bulk descriptors were free()d too soon (511)
+ - fix paths in lconf, which would load incorrect modules (451, 507)
+ - fix confusing lconf 'host not found' error message (386)
+ - fix lock order deadlock on OST (O/R i_sem before journal ops, 478)
+ - fix race condition in mdc_blocking_ast() for inode access (526)
+ - fix lov_unpackmd() unpacking wrong number of stripes (537)
+ - fix lov_set_osc_active() marking wrong OSC inactive (440)
+ - fix bad lstripe lov_unpackmd() assertion (fix layering too) (527)
+ - fix multiple writes of stripe MD to MDS (358, maybe 519)
+ - fix lstripe in several ways (kernel side) (527)
+ - fix request leak in ldlm_cli_enqueue (262)
+ - incorrect OSC was marked inactive after OST failure
+ - call mds_fs_cleanup before unmounting filesystem (524)
+ - fix races between taking ns_lock and ldlm_lock_change_resource
+ - fix races updating LOV export open file list
+ - fix lov_enqueue error path, avoid decref-ing bad lock handle
+ - fix recovery NULL deref in ldlm_cli_cancel_unused
+ - fix some DLM races by using new hash table for lock handles (419)
+ - permit the client to specify desired inodes, at replay
+ - duplicate requests when we queue them for replay reintegration
+ - fix last_rcvd offset calculation
+ - sync after each recovered transaction, so we always make progress
+ - never, not always, ERESTART requests without transnos
+ - store the lov_desc in the MDS, so we don't depend on getlovinfo to
+ set it
+ - skip replay if the MDS says that the client is already connected
+ - don't check for a recovery-enabled export to match lctl's UUID
+ - don't INC_USE_COUNT for phantom exports
+ - don't crash when cleaning up phantom exports (567)
+ - don't double-finish or set replay data for errored mdc_open requests
+ - abort requests when they time out, so we don't get old replies
+ - send/receive replies for AST messages again
+ - if the client says that it doesn't have the lock, cancel it on the
+ server
+ - if we timeout during I/O, don't try to cancel an in-use lock; instead
+ mark it as destroyed, it will all work out when decref is called
+ - fix module use counts (22, 581)
+ * protocol changes
+ - ASTs now expect a reply (server cancels lock on error reply)
+
+2002-12-02 Andreas Dilger <adilger@clusterfs.com>
+ * version v0_5_18
* bug fixes
- fix many simultaneous client startup (392)
- fix dentry->d_it clobbering
- fix echo client over LOV (409)
- fix dbench 2, extN refcount problem (170, 258, 356, 418)
- fix double-O_EXCL intent crash (424)
+ - avoid sending multiple lock CANCELs (352)
+ * Features
+ - MDS can do multi-client recovery (modulo bugs in new code)
+ * Documentation
+ - many updates, edits, cleanups
2002-11-18 Phil Schwan <phil@clusterfs.com>
* version v0_5_17