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* Fix some trivial typos.Erick Tryzelaar2009-06-291-1/+1
| | | | | | | I noticed that there were some minor spelling mistakes/typos in some of the source files. This patch fixes the ones I've found. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* version check between client/server made more specific to protocol only.Amar Tumballi2009-06-292-9/+9
| | | | | | | | | This patch is a step towards giving compatibility between the versions of GlusterFS. Now onwards, the protocol-version won't depend on release versions. In general, multiple glusterfs versions can have common protocol-version. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* dht_readdir_cbk: use stat attributes in the READDIRPLUS dirents toAnand V. Avati2009-06-261-22/+21
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* rename dht_first_up_child to dht_first_up_subvolAnand V. Avati2009-06-262-2/+3
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* set 'lookup unhashed' mode to be on by defaultAnand V. Avati2009-06-261-1/+1
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* posix_readdir: fill stat structure into dir entryAnand V. Avati2009-06-261-0/+23
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* mount script to take arguments like nfsAmar Tumballi2009-06-241-17/+34
| | | | | | | | | | | | | | | | | Ref: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=37 earlier instead of path, it used to take port number, which is an option (-o server-port=<port>), now. new syntax is bash# mount -t glusterfs <hostname>:<path/key> [mountpoint] [This patch is backward compatible with earlier syntax] bash# mount -t glusterfs <hostname>:<port> [mountpoint] Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* server-protocol: interpret the 'op' value properly when a packet is received.Amar Tumballi2009-06-231-4/+3
| | | | | | | | | Ref: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=35 The check done earlier was not handling the case when a 'op' is == MAX_VALUE (which is not defined), and used to skip to the next array (like gf_mops[MAX] == gf_cbks[0]) Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* check if the 'key' is the volume file name itself.Amar Tumballi2009-06-231-14/+34
| | | | | | | | With this patch, one can fetch any volumefile which is not pre-defined in volume file with 'option' in server protocol volume, instead clients can fetch the volume files based on the key name itself [From the confdir only] Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* mount.glusterfs.in correctness in case of duplicate mountAmar Tumballi2009-06-231-2/+2
| | | | | | | | mount.<fstype> script/program should return success in case when it finds duplicate mounts. It was returning failure earlier. Someversions of automount programs had issues with this behavior. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* local->loc should be filled in dht-mknod()Amar Tumballi2009-06-181-0/+9
| | | | | | | local->loc should be properly filled while creating a linkfile. otherwise this causes the segfault in underlying client-protocol layer. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* change the log level of disk full message in dht-diskusageAmar Tumballi2009-06-181-3/+3
| | | | | | | | the current msg is getting printed in warning level. Instead changed it to debug, as the msg specific each node being full is already getting printed in higher priority, hence this msg looks excessive. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* read-ahead: return with error code EBADF for fops on fds without file set in ↵Raghavendra G2009-06-111-11/+45
| | | | | | | | | | | their context. - since a successful open/create will _always_ set a pointer to ra_file_t in context of fd, this fix makes sense. - an example of operations on bad fd can be afr sending read on the child which was down during open. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* read-ahead: unwind with a return value of -1 and error code of ENOMEM on ↵Raghavendra G2009-06-111-0/+4
| | | | | | memory allocation for ra_file in open/create 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>
* Print PID after daemonizing glusterfs.Vikas Gorur2009-06-091-6/+10
| | | | | | | | | | PID used to be printed before glusterfs became a daemon, which is incorrect since becoming a daemon involves forking and thus the PID changes. Fixes bug #8. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* server-helpers: cleanup connection only if there are no active transports.Raghavendra G2009-06-083-129/+194
| | | | | | | | | | | - thanks to Ioannis Aslanidis <iaslanidis@flumotion.com> for reporting. - breakup the server_connection_cleanup into smaller procedures. - do following operations in a single atomic operation. 1. conn->active_transports-- 2. collecting pointer to lock table and all fds if there are no active transports this will avoid any race conditions. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Fix crash in afr data self heal. Bugzilla ID: 3Vikas Gorur2009-06-081-0/+2
| | | | 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>
* unify getdents count reduced to 512 (from 1024)Amar Tumballi2009-06-031-1/+1
| | | | | | | | | | | | Thanks to Krishna <krishna (at) gluster.com> for pointing this out. When a unify self-heal of large directory (directory with lot of entries) is done, the getdents_cbk used to fail because of new limit of buffer size (128KB). Noticed that earlier it used to streach upto 4MB, hence the value 1024 worked fine. By reducing it to 512, noticed, we can fit in well within 128KB limit, and hence unify self-heal goes through. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* bug fix in dht-diskusage when statvfs->f_blocks is 0Amar Tumballi2009-06-021-2/+3
| | | | | | | This can happen when 'option export-statfs-size off' is given in posix volume. Caused divide by 0 error. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Do itransform in AFR readdir.Vikas Gorur2009-05-261-3/+10
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Always do itransform of the inode number from the first up child.Vikas Gorur2009-05-261-8/+17
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Preserve atime/mtime during data self heal.Vikas Gorur2009-05-261-8/+51
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Change errno to EAGAIN in readv/writevVikas Gorur2009-05-191-6/+7
| | | | | | | | When mandatory locks are enabled and a read/write would block due to a lock and if the fd is opened with O_NONBLOCK, return EAGAIN (previously EWOULDBLOCK). Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Bug fix in pl_readv/writev to handle the mandatory lock case properly.Vikas Gorur2009-05-181-23/+21
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* client-protocol: Fix memory corruption in client_lookupRaghavendra G2009-05-161-13/+7
| | | | | | | | - memory corruption was due to new members being added between allocation of buffer for serializing xattr_req dictionary and dict_serialize of xattr_req. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* make getxattr fail with ERANGE if reply is bigger than what was requestedCsaba Henk2009-05-161-31/+25
| | | | | | Edited by avati: make the function signature of fuse_xattr_reply_buf() use 'const char *value' instead of 'char *value' Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* avoid duplicate mounts while using mount.glusterfsAmar Tumballi2009-05-161-1/+1
| | | | | | | This change is needed as the format of how the /etc/mtab entry of glusterfs mount looks is now changed. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* replace BIG_FUSE_CHANNEL_SIZE with 'this->ctx->page_size'Amar Tumballi2009-05-161-9/+9
| | | | | | | Send the struct stat's 'blksize' variable same as GlusterFS's page-size, instead of BIG_FUSE_CHANNEL_SIZE. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* posix: Fix build warning on incorrect typeShehjar Tikoo2009-05-161-1/+1
| | | | | | | | | This fixes a build warning due to use of incorrect type for size_t, for Core 2 Duo. Extra fix from avati: change %ld to GF_PRI_SIZET Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* stripe init 'block-size' pattern parsing bug fixed.2.0.1Amar Tumballi2009-05-081-59/+78
| | | | | | ref: http://savannah.nongnu.org/bugs/?26416 Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Set op_errno properly in afr_flush.Vikas Gorur2009-05-081-0/+1
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* symlink-cache: fix return value of readlinkRaghavendra G2009-05-071-2/+2
| | | | | | | | | - sc_readlink wrongly returned strlen (link) + 1 when link was present in cache. - this fixes rt #828. Since fuse_readlink_cbk does link[op_ret] = '\0', there was a memory corruption. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* fix in mount.glusterfs for proper direct io mode option.Amar Tumballi2009-05-071-1/+1
| | | | | | | fixes the bug which causes GlusterFS not to have valid 'direct-io' option through mount command or /etc/fstab entries. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* protocol/client: indentation fixesAnand V. Avati2009-05-071-926/+737
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* protocol/client: removed conf->childAnand V. Avati2009-05-072-603/+0
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* transport shortcut b/w client and serverAnand V. Avati2009-05-072-0/+13
| | | | | | This patch makes the server pass back the transport pointer of the client. If the UUID matches, the client makes the local transport 'shortcut' with the remote transport (pointer received from server) The shortcut simulates a socket queue. Instead of serialized messages going over the network and getting queued in the tcp socket queue, the messages get queued in a transport specific queue picked by a polling thread.
* fix log message from transport-timeout to frame-timeoutAnand V. Avati2009-05-061-1/+1
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* afr self-heal: update file size of the returning stat buf with source file's ↵Anand V. Avati2009-05-061-0/+1
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* log level fixes in read-aheadAnand V. Avati2009-05-051-6/+6
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* log level fix in storage/posixAnand V. Avati2009-05-051-1/+1
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* io-cache logging level fixesAnand V. Avati2009-05-054-33/+32
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* Do not lock entire file for metadata operations.Vikas Gorur2009-05-052-8/+8
| | | | | | | | Metadata operations now lock only a single byte at offset (LLONG_MAX - 1) instead of the whole file, to avoid contention with writev(). Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Made afr_flush a 'quick-unwind' transaction.Vikas Gorur2009-05-051-6/+67
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Clarify thread count rangeShehjar Tikoo2009-05-052-16/+23
| | | | | | | | | | | | | | | This patch cleans up io-threads behaviour regarding the range values that can be specified for min-threads and max-threads. THe major change is that the min threads have been reduced to 2 to signify that io-threads needs minimum two threads for its operation, while keeping the default number of threads at 16. The idea is to decouple the default thread count from the minimum thread count. Note to Avati: This applies over Raghu's indentation and logging take-3 patch. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-cache: indentation and logging fixesRaghavendra G2009-05-054-509/+426
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: indentation and logging fixesRaghavendra G2009-05-052-199/+250
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in storage/posix.Vikas Gorur2009-05-051-181/+214
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* write-behind: indentation and logging fixesRaghavendra G2009-04-301-158/+74
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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