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* cluster/afr: Don't lookup/forget inodesPranith Kumar K2016-03-311-11/+1
| | | | | | | | | | | | | | | | | | | | | | | | Problem: All inodes that are looked-up are always forgotten without fail in afr removing the benefits of them being in lru. This same code can cause crashes if between inode_lookup, inode_forget in afr if the top xlator does inode_forget(0). Fix: Don't use lookup/forget in afr. No benefits are there at the moment for keeping this code. It is impossible to prevent top xlators to do inode_forget(0). Found similar instances in ec and removed them even though those code paths are not going to be executed in any place other than heal-daemon. BUG: 1321554 Change-Id: Ia4cb236178f7f129cc898d53f0bbd26f494a2a8d Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/13834 Smoke: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anuradha Talur <atalur@redhat.com>
* cluster/ec: Create this->itable in all casesPranith Kumar K2016-01-281-5/+0
| | | | | | | | | | | | | | | | | | | Problem: glfsheal operates based on mount's volfile which doesn't have iamshd flag due to which this->itable is NULL, this leads to "inode not found" logs in glfsheal logs. Fix: Ec only allocates itable with 10 inodes, so allocating this->itable in all cases in init. Change-Id: I01d3c05e93a17007a4716a2d6f392d2aa306a34b BUG: 1294743 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/13112 Smoke: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
* cluster/ec: Mark self-heal fops as internalPranith Kumar K2015-11-181-2/+2
| | | | | | | | | | Change-Id: I8ae7af266d3e00460f0cfdc9389a926e5f2fee36 BUG: 1282761 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/12598 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
* cluster/ec : Remove index entries if file/dir does not existAshish Pandey2015-10-151-33/+45
| | | | | | | | | | | | | | | | | | | | Problem: During write and rebalance if a brick is down, index entries will be created. If the same file gets migrated to other subvol by rebalance process, these index entries will remain in index directory. During heal, these indices should be removed when we get ENOENT or ESTALE for a index. Solution: Capture correct errno and take appropriate action to purge these indices. Change-Id: I1aad8b99e4df2e139648e3bf971e4cb1c4b38699 Bug: 1271358 Signed-off-by: Ashish Pandey <aspandey@redhat.com> Reviewed-on: http://review.gluster.org/12353 Reviewed-by: Xavier Hernandez <xhernandez@datalab.es> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* ec : trusted.ec.version xattr of all root directories of all bricks should ↵Ashish Pandey2015-08-291-0/+3
| | | | | | | | | | | | | | | | | | | | be same. Problem: After replacing the brick using "replace-brick" command and running "heal full", the version of the root directory of the newly added brick is not getting healed. heal starts running on the dentries of the root but does not run on root directory. Solution: Run heal on root directory. Change-Id: Ifd42a3fb341b049c895817e892e5b484a5aa6f80 BUG: 1243382 Signed-off-by: Ashish Pandey <aspandey@redhat.com> Reviewed-on: http://review.gluster.org/11676 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
* ec: Porting messages to new logging frameworkNandaja Varma2015-06-261-7/+11
| | | | | | | | | Change-Id: Ia05ae750a245a37d48978e5f37b52f4fb0507a8c BUG: 1194640 Signed-off-by: Nandaja Varma <nandaja.varma@gmail.com> Reviewed-on: http://review.gluster.org/10465 Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
* ec: Display correct message after successful heal startAshish Pandey2015-06-221-1/+1
| | | | | | | | | | | | | | | | Problem : While launching heal, it shows heal launch was unsuccessful. However, internaly it was successfully launched. Solution : Don't reset op_ret to -1 in for loop for every brick. Change-Id: Iff89fdaf6082767ed67523a56430a9e83e6984d3 BUG: 1203089 Signed-off-by: Ashish Pandey <aspandey@redhat.com> Reviewed-on: http://review.gluster.org/11267 Reviewed-by: Xavier Hernandez <xhernandez@datalab.es> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
* cluster/ec: Change meaning of trusted.ec.dirtyPranith Kumar K2015-05-081-5/+9
| | | | | | | | | | | | | | | | - With this change, the xattr will represent if the file needs to be healed or not. It will have different values for data/entry and metadata changes. - inode ref leaks and dict_set_dynstr related leaks fixed - Added support for trylock/lock based on heal-cmd execution or not in data heal. - Made fixes to pass regression runs Change-Id: I9d8def4c2badde18a76b7898816fecfac113737a BUG: 1215265 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/10385 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* libglusterfs/syncop: Add xdata to all syncop callsRaghavendra Talur2015-04-081-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for xdata in both the request and response path of syncops. Few calls like lookup already had the support; have renamed variables in few places to maintain uniformity. xdata passed downwards is known as xdata_in and xdata passed upwards is known as xdata_out. There is an old patch by Jeff Darcy at http://review.gluster.org/#/c/8769/3 which does the same for some selected calls. It also brings in xdata support at gfapi level. xdata support at gfapi level would be introduced in subsequent patches. Change-Id: I340e94ebaf2a38e160e65bc30732e8fe1c532dcc BUG: 1158621 Signed-off-by: Raghavendra Talur <rtalur@redhat.com> Reviewed-on: http://review.gluster.org/9859 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* Avoid conflict between contrib/uuid and system uuidEmmanuel Dreyfus2015-04-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | glusterfs relies on Linux uuid implementation, which API is incompatible with most other systems's uuid. As a result, libglusterfs has to embed contrib/uuid, which is the Linux implementation, on non Linux systems. This implementation is incompatible with systtem's built in, but the symbols have the same names. Usually this is not a problem because when we link with -lglusterfs, libc's symbols are trumped. However there is a problem when a program not linked with -lglusterfs will dlopen() glusterfs component. In such a case, libc's uuid implementation is already loaded in the calling program, and it will be used instead of libglusterfs's implementation, causing crashes. A possible workaround is to use pre-load libglusterfs in the calling program (using LD_PRELOAD on NetBSD for instance), but such a mechanism is not portable, nor is it flexible. A much better approach is to rename libglusterfs's uuid_* functions to gf_uuid_* to avoid any possible conflict. This is what this change attempts. BUG: 1206587 Change-Id: I9ccd3e13afed1c7fc18508e92c7beb0f5d49f31a Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org> Reviewed-on: http://review.gluster.org/10017 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* cluster/ec: Add self-heal-daemon command handlersPranith Kumar K2015-03-091-0/+598
This patch introduces the changes required in ec xlator to handle index/full heal. Index healer threads: Ec xlator start an index healer thread per local brick. This thread keeps waking up every minute to check if there are any files to be healed based on the indices kept in index directory. Whenever child_up event comes, then also this index healer thread wakes up and crawls the indices and triggers heal. When self-heal-daemon is disabled on this particular volume then the healer thread keeps waiting until it is enabled again to perform heals. Full healer threads: Ec xlator starts a full healer thread for the local subvolume provided by glusterd to perform full crawl on the directory hierarchy to perform heals. Once the crawl completes the thread exits if no more full heals are issued. Changed xl-op prefix GF_AFR_OP to GF_SHD_OP to make it more generic. Change-Id: Idf9b2735d779a6253717be064173dfde6f8f824b BUG: 1177601 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/9787 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Ravishankar N <ravishankar@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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