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* performance/stat-prefetch: do lookup in unlink if the path has not already ↵Raghavendra G2009-10-071-12/+71
| | | | | | | | | been looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: do lookup in readlink if the path is not already ↵Raghavendra G2009-10-071-10/+71
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: do lookup in mknod if the path is not already ↵Raghavendra G2009-10-071-13/+75
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: implement sp_access.Raghavendra G2009-10-071-0/+79
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: do lookup in utimens if the path is not already ↵Raghavendra G2009-10-071-10/+71
| | | | | | | | | looked up Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: do lookup in truncate if the path is not already ↵Raghavendra G2009-10-071-10/+72
| | | | | | | | | looked-up Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: lookup the path in chown if it is not already ↵Raghavendra G2009-10-071-10/+71
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: lookup the path in chmod if it is not already ↵Raghavendra G2009-10-071-10/+70
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: lookup the path in stat if the it is not already ↵Raghavendra G2009-10-071-0/+79
| | | | | | | | | looked-up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: do lookup on the path in checksum if it is not ↵Raghavendra G2009-10-071-10/+69
| | | | | | | | | already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: lookup the path in open if it is not already ↵Raghavendra G2009-10-071-11/+75
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: implement procedure sp_process_inode_ctx.Raghavendra G2009-10-071-0/+93
| | | | | | | | | | | | | - this procedure processes inode_ctx to make decisions like whether the current procedure can continue (i.e., inode is already looked up), or the procedure has to initiate/wait for lookup on the path. It also sets up the frame->local and adds the stub corresponding to current fop if needed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: use op_errno instead of errno to store error code.Raghavendra G2009-10-072-154/+260
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: Add support code to implement lookup-behind.Raghavendra G2009-10-072-22/+203
| | | | | | | | | | | | | - change sp_lookup and sp_lookup_cbk to support sending lookups when needed. lookups might need to be sent in fops like open, chmod, chown etc which operate on a path, since the actual lookup sent to stat-prefetch by its parent xlators is not propagated down the xlator tree if the path is cached. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: remove lookup-behind in sp_lookup.Raghavendra G2009-10-071-56/+4
| | | | | | | | | | | | - lookup-behind should be done on-demand basis, in fops like open instead of in sp_lookup itself. This would reduce network traffic between client and server related to lookup, if the only use of lookup was to fetch stat structure. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* added few missing options in translator's option arrayAmar Tumballi2009-10-072-1/+7
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Changed occurrences of Z Research to Gluster.Vijay Bellur2009-10-07218-233/+233
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* performance/stat-prefetch: Add accounting of cache hits and misses.Raghavendra G2009-10-072-0/+17
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: optimizations to sp_lookup.Raghavendra G2009-10-071-1/+12
| | | | | | | | | | | - if stat cache cannot be found for a path in its parent inode and the path is a directory, we can get the cache from the inode corresponding to path and look for "." in that cache. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: change behaviour of sp_lookup when xattr_req is ↵Raghavendra G2009-10-071-7/+27
| | | | | | | | | | | | | not NULL. - if the xattr_req is empty (fuse just creates an empty dictionary and sends along lookup) we can still use the cache prefetched during readdir, since we need not fill the reply dictionary. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: change the cache to use rbtree based hashtable ↵Raghavendra G2009-10-073-36/+46
| | | | | | | | | instead of list for caching dentries. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* performance/stat-prefetch: fix memory leaksRaghavendra G2009-10-071-57/+14
| | | | | | | | | | | | | | | | | | - sp_cache_get_inode uses fd_lookup which internally increases the refcount of fd by 1. This needs to be unrefed once we get the cache. - for directories, stat is stored in the inode context in sp_lookup_cbk. but, while doing so, no check was being done for the presence of context in inode, resulting in leak of memory equal to sizeof (struct stat) when multiple lookups happened on the directory. stat was needed to serve the postparent member during lookup. postparent stat is needed only in releases having NFS related changes and hence removing code present to get postparent. - path constructed in sp_readdir was not freed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 257 (Backport stat-prefetch to 2.0) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=257
* core: Add rbtree based hashtableShehjar Tikoo2009-10-065-3/+1516
| | | | | | | 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
* mem-pool: Include stdlib for calloc()Shehjar Tikoo2009-10-061-0/+1
| | | | | | | | | | | Doing so removes build warnings about calloc and free for files that use mem-pool but do not by themselves include stdlib.h, for eg., rbthash.c 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
* mem-pool: add mem_pool_destroy.Raghavendra G2009-10-062-0/+16
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 284 (performance actually decreases for 'ls -l' on a directory containing large number of files with stat-prefetch loaded) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=284
* storage/posix: Process "glusterfs.content" key in lookup only for regular files.Vikas Gorur2009-10-061-1/+3
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 301 (lookup should ignore ISDIR error when trying to get content) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=301
* glusterfsd.c:Pipe is used during daemonization as ipc.vinayak hegde2009-10-051-104/+91
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 117 (Wrong command line does not throw error) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=117
* cluster/afr: Initialize local->first_up_child in AFR_LOCAL_INIT.Vikas Gorur2009-10-052-29/+29
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 285 ("first up child" can change during a transaction) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=285
* volgen script failed initial tests due to wrong fd definitionv2.0.7Harshavardhana Ranganath2009-10-011-2/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 288 (volgen script failed initial tests due to wrong fd definition) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=288
* cluster/afr: dir-write: Fix inode number handling.Vikas Gorur2009-09-282-24/+41
| | | | | | | | | | | | | | | | | | | create, mkdir, symlink, mknod: Prefer to return itransform'd inode number from the first_up_child. If not, fall back on any other child that returned succcess. link, rename: Return the same inode number that was passed as part of loc_t. Also adds a new member to afr_local_t, local->first_up_child which is initialized at the start of the transaction. This fixes the race where a subvolume might go down during the transaction and thus have the first_up_child change. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 285 ("first up child" can change during a transaction) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=285
* libglusterfsclient: don't destroy the iobuf pool during fini.Raghavendra G2009-09-281-1/+1
| | | | | | | | | | | | | - some of the iobufs in pool will be cached by io-cache and hence refcount will not be zero. Hence the assertion of ref being zero in __iobuf_arena_destroy fails. Commenting out iobuf_pool_destroy during fini, till we introduce proper cleanup in all translators, thereby allowing io-cache to release the buffers it has held. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 283 (booster aborts complaining the refcount of iobuf is not zero during glusterfs_umount_all.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=283
* libglusterfsclient: traverse the vmplist during fini only if any entries are ↵Raghavendra G2009-09-281-5/+8
| | | | | | | | | | | | mounted. - the vmplist.list is inited only during mounting of first entry. Hence doing a list traversal when no vmpentries are present, results in a segfault. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 282 (segfault of applications using booster observed when the application does not mount any vmps.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=282
* glusterfs volume generatorAmar Tumballi2009-09-282-1/+402
| | | | | | http://gluster.com/community/documentation/index.php/Glusterfs-volgen_Reference_Page Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* write-behind: check for NULL file pointer in flush callbackAnand Avati2009-09-241-1/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 260 (ls on booster VMP results in error: "File descriptor in bad state") URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=260
* performance/write-behind: Add NULL checks for file pointer.Raghavendra G2009-09-241-83/+104
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 260 (ls on booster VMP results in error: "File descriptor in bad state") URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=260
* glusterfsd/main: Do a sem_post only if running in daemon mode.Vikas Gorur2009-09-241-2/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 4 (mount --bind fails if run immediately after mounting GlusterFS) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=4
* booster: Cleanup booster_cleanup and register for atexitShehjar Tikoo2009-09-241-20/+10
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 279 (File written with booster results in self-heal after dd exits) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=279
* libglusterfsclient: Support TRACE loglevelShehjar Tikoo2009-09-241-1/+4
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 210 (libglusterfsclient: Enhance logging) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=210
* libglusterfsclient: Wait for all call pools to be destroyedShehjar Tikoo2009-09-241-0/+34
| | | | | | | | | | | | This ensures that the process using libglusterfsclient does not exit before all the fops and calls have been replied to. It helps to ensure that the backends are in a sane state when the program exits. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 279 (File written with booster results in self-heal after dd exits) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=279
* libglusterfsclient: Clean up fini and umount code pathsShehjar Tikoo2009-09-241-19/+5
| | | | | | | | | | | | | | | | | | | This patch cleans up the umount and fini paths in preparation to support waiting for unwind of all pending call frames. Two misc fixes are: 1. Fix to avoid deadlock in _libgf_umount by using _libgf_vmp_search_entry instead of libgf_vmp_search_exact_entry since the latter tries to take a lock already help by _libgf_umount. 2. Avoid a crash in _libgf_umount by deleting the vmp entry from the list before it gets freed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 279 (File written with booster results in self-heal after dd exits) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=279
* iobuf, logging: Expose existing functions as requiredShehjar Tikoo2009-09-242-0/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 279 (File written with booster results in self-heal after dd exits) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=279
* libglusterfsclient: Reduce logging aggressiveness to TRACEShehjar Tikoo2009-09-241-18/+18
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 210 (libglusterfsclient: Enhance logging) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=210
* booster: Reduce logging aggressiveness to TRACEShehjar Tikoo2009-09-242-159/+159
| | | | | | | | | | | Internal users feel the amount of logging brought in due to a previous logging enhancement patch is a bit too aggressive for DEBUG, so this changes it to TRACE. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 210 (libglusterfsclient: Enhance logging) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=210
* libglusterfsclient: Re-validate root inode on every path resolutionShehjar Tikoo2009-09-242-0/+24
| | | | | | | | | | | | | | If the root inode's is outdated, send a revalidate on it. A revalidate on root inode also reduces the window in which an op will fail over distribute because the layout of the root directory did not get constructed when we sent the lookup on root in glusterfs_init. That can happen when not all children of a distribute volume were up at the time of glusterfs_init. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 256 (revalidates should be sent on '/' in libglusterfsclient.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=256
* performance/write-behind: Add a NULL check for request->stub before checking ↵Raghavendra G2009-09-241-1/+2
| | | | | | | | | | | | | | | | | request->stub->fop. - for non-write wind requests, the request structure outlives the stub. The call stub is destroyed when stack is wound but request is destroyed only when the reply has come. (for writes, both stub and request are destroyed when refcount becomes 0, which happens only when the write operation is stack unwound and a reply for the write operation has come from underlying translators, for non-write unwind requests the request is first destroyed before resuming the stub). Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 280 (simple stripe, with write-behind set up, when dbench is run client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=280
* fuse: emit a flush from release if we didn't get an adjacent FLUSH message ↵Csaba Henk2009-09-233-5/+52
| | | | | | | | | from the kernel Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 223 (flush not sent) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=223
* Changes for custom daemon function.vinayak hegde2009-09-231-5/+104
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 4 (mount --bind fails if run immediately after mounting GlusterFS) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=4
* performance/write-behind: store currently aggregated data size in wb_fileRaghavendra G2009-09-231-27/+30
| | | | | | | | | | - this helps us to not traverse the request list whenever we need currently aggregated data in the queue Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 276 (write behind needs to be optimized.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=276
* performance/write-behind: store the current window size in wb_file.Raghavendra G2009-09-231-44/+40
| | | | | | | | | | - this would increase the performance since we don't have to traverse the request list every time we need the current window size. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 276 (write behind needs to be optimized.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=276
* performance/write-behind: reduce usage of iov_length.Raghavendra G2009-09-231-47/+27
| | | | | | | | | | - request structure now holds a member write_size which is initialised at the time of request creation and used later. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 276 (write behind needs to be optimized.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=276
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