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2015-10-03Orangefs: update signal blocking code before Oleg sees it.Mike Marshall3-31/+20
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: Don't opencode memcpy.Mike Marshall1-11/+2
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: choose return codes from among the expected ones.Mike Marshall2-9/+5
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: put PVFS_util_min out of its misery.Mike Marshall1-1/+0
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: fix dir_emit code in pvfs2_readdir.Mike Marshall2-82/+50
Al Viro glanced at readdir and surmised that getdents would misbehave the way it was written... and sure enough. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: use iov_iter interfaceMike Marshall3-510/+72
replace opencoded pvfs_bufmap_copy_to_kernel_iovec, pvfs_bufmap_copy_to_user_iovec, pvfs_bufmap_copy_iovec_from_kernel, and pvfs_bufmap_copy_iovec_from_user with pvfs_bufmap_copy_to_iovec and pvfs_bufmap_copy_from_iovec, which both use the iov_iter interface. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: Swap order of include filesGuenter Roeck1-1/+1
spinlock_types.h requires types from linux/types.h. Including spinlock_types.h first may result in the following build errors, as seen with arm:allmodconfig. arch/arm/include/asm/spinlock_types.h:12:3: error: unknown type name 'u32' arch/arm/include/asm/spinlock_types.h:16:4: error: unknown type name 'u16' Fixes: deb4fb58ff73 ("Orangefs: kernel client part 2") Cc: Mark Brown <broonie@kernel.org> Cc: Mike Marshall <hubcap@omnibond.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03fs: orangefs: remove execute priviliges from module paramsSasha Levin1-1/+1
This makes no sense and causes warnings on boot. Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: use inode_set_bytes for directoriesMike Marshall1-4/+3
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: large integer implicitly truncated to unsigned typeMike Marshall1-1/+1
make.cross ARCH=tile doesn't like "inode->i_bytes = PAGE_CACHE_SIZE;", so cast PAGE_CACHE_SIZE to unsigned short. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: address problems found by static checkerMike Marshall4-33/+11
Don't check for negative rc from boolean. Don't pointlessly initialize variables, it short-circuits gcc's uninitialized variable warnings. And max_new_nr_segs can never be zero, so don't check for it. Preserve original kstrdup pointer for freeing later. Don't check for negative value in unsigned variable. Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: sooth most sparse complaintsMike Marshall11-30/+33
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client update 1.Mike Marshall2-5/+13
Stephen Rothwell noticed that orangefs would not compile on powerpc... Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 7Mike Marshall2-0/+16
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 5Mike Marshall4-0/+1643
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 4Mike Marshall2-0/+2915
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 3Mike Marshall5-0/+2477
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 2Mike Marshall6-0/+3196
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
2015-10-03Orangefs: kernel client part 1Mike Marshall9-0/+2411
OrangeFS (formerly PVFS) is an lgpl licensed userspace networked parallel file system. OrangeFS can be accessed through included system utilities, user integration libraries, MPI-IO and can be used by the Hadoop ecosystem as an alternative to the HDFS filesystem. OrangeFS is used widely for parallel science, data analytics and engineering applications. While applications often don't require Orangefs to be mounted into the VFS, users do like to be able to access their files in the normal way. The Orangefs kernel client allows Orangefs filesystems to be mounted as a VFS. The kernel client communicates with a userspace daemon which in turn communicates with the Orangefs server daemons that implement the filesystem. The server daemons (there's almost always more than one) need not be running on the same host as the kernel client. Orangefs filesystems can also be mounted with FUSE, and we ship code and instructions to facilitate that, but most of our users report preferring to use our kernel module instead. Further, as an example of a problem we can't solve with fuse, we have in the works a not-yet-ready-for-prime-time version of a file_operations lock function that accounts for the server daemons being distributed across more than one running kernel. Many people and organizations, including Clemson University, Argonne National Laboratories and Acxiom Corporation have helped to create what has become Orangefs over more than twenty years. Some of the more recent contributors to the kernel client include: Mike Marshall Christoph Hellwig Randy Martin Becky Ligon Walt Ligon Michael Moore Rob Ross Phil Carnes Signed-off-by: Mike Marshall <hubcap@omnibond.com>
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