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2016-10-03Revert "orangefs: bump minimum userspace version"Mike Marshall1-2/+2
The features op did make it into OrangeFS 2.9.6 after all. This reverts commit 0c95ad76361f1d75a1ffdf82deafbcec44d19c42.
2016-09-28Merge branch 'misc' into for-nextMartin Brandenburg1-2/+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
2016-09-21orangefs: bump minimum userspace versionMartin Brandenburg1-2/+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>
2016-08-16orangefs: rename most remaining global variablesMartin Brandenburg1-2/+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>
2016-08-12orangefs: add features opMartin Brandenburg1-0/+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>
2016-03-26orangefs: fix orangefs_superblock lockingAl Viro1-7/+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>
2016-03-25orangefs: have ->kill_sb() evict the VFS side of things firstAl Viro1-3/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2016-03-23orangefs: remove needless wrapper around GFP_KERNELMartin Brandenburg1-2/+1
Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2016-02-24orangefs: use ORANGEFS_NAME_LEN everywhere; remove ORANGEFS_NAME_MAXMartin Brandenburg1-1/+1
Signed-off-by: Martin Brandenburg <martin@omnibond.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2016-02-24Orangefs: code sanitationMike Marshall1-2/+2
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2016-02-04Orangefs: clean up slab allocation.Mike Marshall1-2/+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>
2016-01-13Orangefs: make .statfs gossip_debug more complete.Mike Marshall1-3/+7
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2016-01-04OrangeFS: constify export_operations structuresJulia Lawall1-1/+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>
2015-12-04Orangefs: change pvfs2 filenames to orangefsMike Marshall1-2/+2
Also changed references within source files that referred to header files whose names had changed. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-12-03OrangeFS: Change almost all instances of the string PVFS2 to OrangeFS.Yi Liu1-140/+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>
2015-11-13pvfs2_fill_sb(): use kzalloc()Al Viro1-2/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-11-13orangefs: kill struct pvfs2_mount_sb_info_sAl Viro1-18/+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>
2015-11-13orangefs: double iput() in case of d_make_root() failureAl Viro1-3/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: don't use mount_nodev, use sget directly.Mike Marshall1-20/+15
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: sooth most sparse complaintsMike Marshall1-4/+4
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 5Mike Marshall1-0/+558
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
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