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* Revert "orangefs: bump minimum userspace version"Mike Marshall2016-10-031-2/+2
| | | | | | The features op did make it into OrangeFS 2.9.6 after all. This reverts commit 0c95ad76361f1d75a1ffdf82deafbcec44d19c42.
* Merge branch 'misc' into for-nextMartin Brandenburg2016-09-281-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | Pull in an OrangeFS branch containing miscellaneous improvements. - clean up debugfs globals - remove dead code in sysfs - reorganize duplicated sysfs attribute structs - consolidate sysfs show and store functions - remove duplicated sysfs_ops structures - describe organization of sysfs - make devreq_mutex static - g_orangefs_stats -> orangefs_stats for consistency - rename most remaining global variables
| * orangefs: rename most remaining global variablesMartin Brandenburg2016-08-161-2/+2
| | | | | | | | | | | | | | | | Only op_timeout_secs, slot_timeout_secs, and hash_table_size are left because they are exposed as module parameters. All other global variables have the orangefs_ prefix. Signed-off-by: Martin Brandenburg <martin@omnibond.com>
* | orangefs: bump minimum userspace versionMartin Brandenburg2016-09-211-2/+2
| | | | | | | | | | | | | | OrangeFS 2.9.6 was released without support for the features op. Thus OrangeFS 2.9.7 will be required to use it. Signed-off-by: Martin Brandenburg <martin@omnibond.com>
* | orangefs: add features opMartin Brandenburg2016-08-121-0/+27
|/ | | | | | | | | | | | | This is a new userspace operation, which will be done if the client-core version is greater than or equal to 2.9.6. This will provide a way to implement optional features and to determine which features are supported by the client-core. If the client-core version is older than 2.9.6, no optional features are supported and the op will not be done. The intent is to allow protocol extensions without relying on the client-core's current behavior of ignoring what it doesn't understand. Signed-off-by: Martin Brandenburg <martin@omnibond.com>
* orangefs: fix orangefs_superblock lockingAl Viro2016-03-261-7/+23
| | | | | | | | | | | | | | | * switch orangefs_remount() to taking ORANGEFS_SB(sb) instead of sb * remove from the list _before_ orangefs_unmount() - request_mutex in the latter will make sure that nothing observed in the loop in ORANGEFS_DEV_REMOUNT_ALL handling will get freed until the end of loop * on removal, keep the forward pointer and zero the back one. That way we can drop and regain the spinlock in the loop body (again, ORANGEFS_DEV_REMOUNT_ALL one) and still be able to get to the rest of the list. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* orangefs: have ->kill_sb() evict the VFS side of things firstAl Viro2016-03-251-3/+3
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* orangefs: remove needless wrapper around GFP_KERNELMartin Brandenburg2016-03-231-2/+1
| | | | | Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* orangefs: use ORANGEFS_NAME_LEN everywhere; remove ORANGEFS_NAME_MAXMartin Brandenburg2016-02-241-1/+1
| | | | | Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: code sanitationMike Marshall2016-02-241-2/+2
| | | | Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: clean up slab allocation.Mike Marshall2016-02-041-2/+1
| | | | | | | | | | | | | | | A couple of caches were no longer needed: - iov_iter improvements to orangefs_devreq_write_iter eliminated the need for the dev_req_cache. - removal (months ago) of the old AIO code eliminated the need for the kiocb_cache. Also, deobfuscation of use of GFP_KERNEL when calling kmem_cache_(z)alloc for remaining caches. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: make .statfs gossip_debug more complete.Mike Marshall2016-01-131-3/+7
| | | | Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* OrangeFS: constify export_operations structuresJulia Lawall2016-01-041-1/+1
| | | | | | | | | | This export_operations structure is never modified, so declare it as const. Most other structures of this type are already const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: change pvfs2 filenames to orangefsMike Marshall2015-12-041-2/+2
| | | | | | | Also changed references within source files that referred to header files whose names had changed. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* OrangeFS: Change almost all instances of the string PVFS2 to OrangeFS.Yi Liu2015-12-031-140/+140
| | | | | | | | | | | | | | | | | | | | | | OrangeFS was formerly known as PVFS2 and retains the name in many places. I leave the device /dev/pvfs2-req since this affects userspace. I leave the filesystem type pvfs2 since this affects userspace. Further the OrangeFS sysint library reads fstab for an entry of type pvfs2 independently of kernel mounts. I leave extended attribute keys user.pvfs2 and system.pvfs2 as the sysint library understands these. I leave references to userspace binaries still named pvfs2. I leave the filenames. Signed-off-by: Yi Liu <yi9@clemson.edu> [martin@omnibond.com: clairify above constraints and merge] Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* pvfs2_fill_sb(): use kzalloc()Al Viro2015-11-131-2/+1
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* orangefs: kill struct pvfs2_mount_sb_info_sAl Viro2015-11-131-18/+9
| | | | | | | | | The only reason for that thing used to be the API of mount_nodev() callback; since we are calling pvfs2_fill_sb() ourselves now, we don't have to shove everything into a single structure. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* orangefs: double iput() in case of d_make_root() failureAl Viro2015-11-131-3/+1
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: don't use mount_nodev, use sget directly.Mike Marshall2015-10-031-20/+15
| | | | Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: sooth most sparse complaintsMike Marshall2015-10-031-4/+4
| | | | Signed-off-by: Mike Marshall <hubcap@omnibond.com>
* Orangefs: kernel client part 5Mike Marshall2015-10-031-0/+558
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
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