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* performance/io-cache: free table->mem_pool in fini.Raghavendra G2010-06-221-0/+5
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 995 (memory leak in io-cache) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=995
* performance/io-cache: Dump private informationVijay Bellur2010-04-291-0/+34
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 828 (glusterdump filled up the /) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=828
* performance/io-cache: make use of nano second resolution of mtime during ↵Raghavendra G2010-04-081-1/+5
| | | | | | | | | | cache validation. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 801 (Direct io-mode support and related changes in caching translators.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=801
* common-utils: gf_log2 handles 0 inputAnand Avati2010-02-221-1/+1
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 583 (filesystem access hangs while deleting large files) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=583
* Added null checks in "fini"Harshavardhana Ranganath2009-12-181-0/+3
| | | | | | | | Signed-off-by: Harshavardhana <harsha@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 364 (Segfault in io-cache) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=364
* fixes to compile on MacOSX (no fuse client)Amar Tumballi2009-12-011-1/+12
| | | | | | | | | | | | | | | These changes are required to make GlusterFS compile on MacOSX (10.5). Currently glusterfs server component alone will work over Mac, and it has to be built with following options to ./configure. "bash$ ./configure --disable-fuse-client --disable-fusermount " Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 361 (GlusterFS 3.0 should work on Mac OS/X) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=361
* performance/io-cache: Hold locks on inode before creating rbt tree.Vijay Bellur2009-12-011-20/+29
| | | | | | | | | | Lock is held before creating a RBT in inode. Also, did some re-factoring. Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* Changed rbthash_table_init() to take a mem-pool argument.Vijay Bellur2009-11-261-4/+54
| | | | | | | | | | | | | | | | | | | Changes in libglusterfs/rbthash: rbthash_table_init() now takes a mem-pool argument. The mem-pool argument would be mutually exclusive to expected_entries. If expected_entries is provided, mem-pool would be ignored and vice-versa. Changes in io-cache: 1) Moved rbthash creation to readv. 2) rbthash makes use of 1 rbt instead of 4096 3) A global mem-pool is being used in place of a mem-pool per rbt. Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/io-cache: use STACK_UNWIND_STRICT for unwinding.Raghavendra G2009-11-241-18/+24
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 269 (Add a specialized STACK_UNWIND macro for each FOP) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=269
* performance/io-cache: don't use stat got in read_cbk if it is zero-filled.Raghavendra G2009-11-201-6/+15
| | | | | | | | | | | | - translators like io-cache, read-ahead return a zero-filled stbuf in readv_cbk and usage of zero filled stat for cache validation is not correct. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 376 (server-side io-cache is preventing client-side io-cache from working) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=376
* performance/io-cache: change the data-types to be big enough to hold size of ↵Raghavendra G2009-10-301-4/+4
| | | | | | | | | data flushed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/io-cache: change the hash function used for rbtree based hash table.Raghavendra G2009-10-291-5/+11
| | | | | | | | | | | | | | | - the earlier hash function does not distribute pages uniformly for offsets that fit into 32 bits. The reason is that the hash function just xors the contents of the key 4 bytes at a time with the current value of hash. Hence for keys that fit into 32 bits, the hash will be the key itself. Since we are using the rounded_offset (which is a multiple of 128KB) as the key, the key will be exactly divisible by the number of buckets configured (4096) resolving all the pages into the first bucket. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/io-cache: change data structure used to store page-cache.Raghavendra G2009-10-281-6/+7
| | | | | | | | | - io-cache uses rbtree based hash tables to store page-cache instead of lists. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 335 (Io-cache optimization) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=335
* performance/io-cache: remove caching in lookup.Raghavendra G2009-10-151-219/+0
| | | | | | | | | | - caching file contents in io-cache during lookup is obsolete since quick-read does the same work. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 314 (Hang in quick-read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=314
* io-cache: NFS-friendly changesShehjar Tikoo2009-10-141-3/+4
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 145 (NFSv3 related additions to 2.1 task list) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145
* Changed occurrences of Z Research to Gluster.Vijay Bellur2009-10-071-1/+1
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Global: NFS-friendly prototype changesShehjar Tikoo2009-10-011-9/+35
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 145 (NFSv3 related additions to 2.1 task list) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145
* Global: Introduce setattr and fsetattr fopsShehjar Tikoo2009-10-011-35/+19
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 146 (Add setattr FOP) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=146
* io-cache: fix table->max_pri to 1 as the lowest priorityAnand Avati2009-09-161-1/+2
| | | | | | | | | | | | | patch http://patches.gluster.com/patch/1319/ breaks when no priority is mentioned in the config. the patch makes ioc_get_priority() return 1 as the value when no priority is given, but ioc_get_priority_list() was still returning 0 as the max_pri (maximum priority) which would result in lru list heads not getting initialized Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 261 (support for disabling caching of certain files) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=261
* 2.0.6 patch for io-cache pattern-matched non-cachingStephan von Krawczynski2009-09-151-5/+23
| | | | | | | | | | | | | | | | | | Hello all, here is a small feature patch. Its intention is to give the user more control over the files performance/io-cache really caches. If the user knows exactly which files should be cached and which shouldn't there is currently no way to tell glusterfs _not_ to cache certain pattern. This patch allows you to disable caching by setting the priority of a pattern to "0". If you do not give any priority option it works just like before and caches everything. Honestly I am not totally sure that disabling caching works the way we did it, please comment. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 261 (support for disabling caching of certain files) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=261
* io-cache: fix warning by initializing conf = NULLAnand V. Avati2009-06-151-1/+1
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* io-cache: handle memory allocation failuresRaghavendra G2009-06-111-38/+241
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* removed unused option 'page-size' in io-cacheAmar Tumballi2009-06-091-5/+0
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* io-cache: prevent frames from getting woken up while page is getting validatedAnand Avati2009-06-031-1/+1
| | | | | | | | | | | | | | | | 1. A page will be put on the inode waitq if the 'freshness' has to be verified with an fstat() 2. while the fstat is in transit, other calls (like lookup) can update ioc_inode->tv, resetting the freshness (page still on inode waitq) 3. Another read request on the same page, after the updated freshness, will wake up the page frames neglecting the fact that the page is also waiting on the inode (waiting for the fstat completion) 4. once the page's frames are woken, the page becomes elegible for purging and can get destroyed for various reasons, leaving a destroyed page pointer in the inode's waitq 5. fstat returns and hits the destroyed page pointer causing a crash The fix is to all together disable cache hits when any page of the same inode is under validation. The otherwise cache hit will now be subjected to the ongoing validation by getting queued to the inode waitq. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* io-cache logging level fixesAnand V. Avati2009-05-051-10/+9
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* io-cache: indentation and logging fixesRaghavendra G2009-05-051-287/+201
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* iobuf - account with iobref_size() instead of iov_length (vector)Anand V. Avati2009-04-171-2/+3
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* use ctx->page_size in all translators and transports instead of having their ↵Anand V. Avati2009-04-131-19/+1
| | | | | | own configurations Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* updated performance/io-cache with new readv writev prototypesAnand V. Avati2009-04-121-16/+23
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* fixed deadlock in io-cacheVikas Gorur2009-03-071-6/+3
| | | | | | | ioc_create_cbk was holding inode->lock and calling inode_ctx_put, which also holds the same lock. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* code changes in the usage of inode_ctx_get and inode_ctx_put after their ↵Raghavendra G2009-03-051-22/+21
| | | | | | implementation is changed to hold inode->lock. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* updated copyright header to extend copyright upto 2009Basavanagowda Kanur2009-02-261-1/+1
| | | | | | updated copyright header to include 2009. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Added all filesVikas Gorur2009-02-181-0/+1478
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