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2007-10-16[XFS] decontaminate vfs operations from behavior detailsChristoph Hellwig
All vfs ops now take struct xfs_mount pointers and the behaviour related glue is split out into methods of its own. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29504a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] remove dependency of the quota module on behaviorsChristoph Hellwig
Mount options are now parsed by the main XFS module and rejected if quota support is not available, and there are some new quota operation for the quotactl syscall and calls to quote in the mount, unmount and sync callchains. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29503a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] remove dependency of the dmapi module on behaviorsChristoph Hellwig
Mount options are now parsed by the main XFS module and rejected if dmapi support is not available, and there is a new dm operation to send the mount event. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29502a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] move freeing the mount structure from xfs_mount_free into the callersChristoph Hellwig
In the next patch we need to look at the mount structure until just before it's freed, so we need to be able to free it as the very last thing in xfs_unmount. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29501a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] kill struct bhv_vnodeChristoph Hellwig
Now that struct bhv_vnode is empty we can just kill it. Retain bhv_vnode_t as a typedef for struct inode for the time being until all the fallout is cleaned up. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29500a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] kill the v_number member in struct bhv_vnodeChristoph Hellwig
It's entirely unused except for ignored arguments in the mrlock initialization, so remove it. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29499a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] move v_trace from bhv_vnode to xfs_inodeChristoph Hellwig
struct bhv_vnode is on it's way out, so move the trace buffer to the XFS inode. Note that this makes the tracing macros rather misnamed, but this kind of fallout will be fixed up incrementally later on. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29498a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] move v_iocount from bhv_vnode to xfs_inodeChristoph Hellwig
struct bhv_vnode is on it's way out, so move the I/O count to the XFS inode. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29497a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] Create xfs_iflags_test_and_clear helper functionChristoph Hellwig
SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29496a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] kill the v_flag member in struct bhv_vnodeChristoph Hellwig
All flags previously handled at the vnode level are not in the xfs_inode where we already have a flags mechanisms and free bits for flags previously in the vnode. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29495a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] kill v_vfsp member from struct bhv_vnodeChristoph Hellwig
We can easily get at the vfsp through the super_block but it will soon be gone anyway. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29494a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] call common xfs vnode-level helpers directly and remove vnode operationsChristoph Hellwig
SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29493a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] decontaminate vnode operations from behavior detailsChristoph Hellwig
All vnode ops now take struct xfs_inode pointers and the behaviour related glue is split out into methods of it's own. This required fixing xfs_create/mkdir/symlink to not mess with the inode pointer but rather use a separate boolean for error handling. Thanks to Dave Chinner for that fix. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29492a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] do not have XFSMNT_IDELETE as default when mounted with XFSMNT_DMAPIVlad Apostolov
XFS inodes are dynamically allocated on demand, rather than being allocated at mkfs time. Chunks of 64 inodes are allocated at once, but they are never freed. Over time, this can lead to filesystem fragmentation, clusters of inodes and the btrees which point at them can be scattered around the system. By freeing clusters as they are emptied, we will reduce fragmentation of the free space after removing files. This in turn will allow us to make better placement decisions when repopulating a filesystem. The XFSMNT_IDELETE mount option enables freeing clusters when they get empty. Unfortunately a side effect of freeing inode clusters is that the inode generation numbers of such inodes would be reset to zero when the cluster is reclaimed. This is a problem in particular for a DMAPI enabled filesystem as the the DMAPI handles need to be unique and persistent in time. An unique DMAPI handle is built with the help of the inode generation number. When the last one is prematurely reset by an inode cluster reclaim, there is a high probability of different generation inodes to end up having identical DMAPI handles. To avoid the problem with identical DMAPI handles, the XFSMNT_IDELETE mount option should be set as default, only if the filesystem is not mounted with XFSMNT_DMAPI. SGI-PV: 969192 SGI-Modid: xfs-linux-melb:xfs-kern:29486a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Radix tree based inode cachingDavid Chinner
One of the perpetual scaling problems XFS has is indexing it's incore inodes. We currently uses hashes and the default hash sizes chosen can only ever be a tradeoff between memory consumption and the maximum realistic size of the cache. As a result, anyone who has millions of inodes cached on a filesystem needs to tunes the size of the cache via the ihashsize mount option to allow decent scalability with inode cache operations. A further problem is the separate inode cluster hash, whose size is based on the ihashsize but is smaller, and so under certain conditions (sparse cluster cache population) this can become a limitation long before the inode hash is causing issues. The following patchset removes the inode hash and cluster hash and replaces them with radix trees to avoid the scalability limitations of the hashes. It also reduces the size of the inodes by 3 pointers.... SGI-PV: 969561 SGI-Modid: xfs-linux-melb:xfs-kern:29481a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] kill move.[ch]Christoph Hellwig
Kill uio related functions and defines now that they're unused. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29480a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] stop using uio in the readlink codeChristoph Hellwig
Simplify the readlink code to get rid of the last user of uio. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29479a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] use filldir internallyChristoph Hellwig
Currently xfs has a rather complicated internal scheme to allow for different directory formats in IRIX. This patch rips all code related to this out and pushes useage of the Linux filldir callback into the lowlevel directory code. This does not make the code any less portable because filldir can be used to create dirents of all possible variations (including the IRIX ones as proved by the IRIX binary emulation code under arch/mips/). This patch get rid of an unessecary copy in the readdir path, about 400 lines of code and one of the last two users of the uio structure. This version is updated to deal with dmapi aswell which greatly simplifies the get_dirattrs code. The dmapi part has been tested using the get_dirattrs tools from the xfstest dmapi suite1 with various small and large directories. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29478a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] superblock endianess annotationsChristoph Hellwig
Creates a new xfs_dsb_t that is __be annotated and keeps xfs_sb_t for the incore one. xfs_xlatesb is renamed to xfs_sb_to_disk and only handles the incore -> disk conversion. A new helper xfs_sb_from_disk handles the other direction and doesn't need the slightly hacky table-driven approach because we only ever read the full sb from disk. The handling of shared r/o filesystems has been buggy on little endian system and fixing this required shuffling around of some code in that area. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29477a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] dinode endianess annotationsChristoph Hellwig
Biggest bit is duplicating the dinode structure so we have one annotated for native endianess and one for disk endianess. The other significant change is that xfs_xlate_dinode_core is split into one helper per direction to allow for proper annotations, everything else is trivial. As a sidenode splitting out the incore dinode means we can move it into xfs_inode.h in a later patch and severely improving on the include hell in xfs. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29476a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Fix build regression from mod/commit which did cleanup of ↵Michal Piotrowski
xfs_bmbt_*set_allf In sgi mod# xfs-linux-melb:xfs-kern:29319a, the variable renaming was not complete and variable 'b' was left unchanged for non-lbd 32 bit machines. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29469a Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] optimize dmapi event tests w/o dmapi configEric Sandeen
SGI-PV: 969372 SGI-Modid: xfs-linux-melb:xfs-kern:29444a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] remove unessecary vfs argument to DM_EVENT_ENABLEDChristoph Hellwig
SGI-PV: 968690 SGI-Modid: xfs-linux-melb:xfs-kern:29340a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Fix a potential NULL pointer deref in XFS on failed mount.Jesper Juhl
If we fail to open the the log device buftarg, we can fall through to error handling code that fails to check for a NULL log device buftarg before calling xfs_free_buftarg(). This patch fixes the issue by checking mp->m_logdev_targp against NULL in xfs_unmountfs_close() and doing the proper xfs_blkdev_put(logdev); and xfs_blkdev_put(rtdev); on (!mp->m_rtdev_targp) in xfs_mount(). Discovered by the Coverity checker. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29328a Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] clean up xfs_start_flagsEric Sandeen
xfs_start_flags can make use of is_power_of_2 to tidy up the test a little bit. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29327a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] move linux/log2.h header to xfs_linux.hEric Sandeen
Generally we try not to directly include linux header files in core xfs code; xfs_linux.h is the spot for that. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29326a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Remove xfs_physmemEric Sandeen
Now that nobody's using it, remove xfs_physmem & friends. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29325a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Pick a single default inode cluster size.Eric Sandeen
Remove scaling of inode "clusters" based on machine memory; small cluster cut-point was an unrealistic 32MB and was probably never tested. Removes another user of xfs_physmem. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29324a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] choose single default logbuf count & sizeEric Sandeen
Remove sizing of logbuf size & count based on physical memory; this was never a very good gauge as it's looking at global memory, but deciding on sizing per-filesystem; no account is made of the total number of filesystems, for example. For now just take the largest "default" case, as was set for machines with >400MB - 8 x 32k buffers. This can always be tuned higher or lower with mount options if necessary. Removes one more user of xfs_physmem. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29323a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Remove m_nreadaheadsEric Sandeen
m_nreadaheads in the mount struct is never used; remove it and the various macros assigned to it. Also remove a couple other unused macros in the same areas. Removes one user of xfs_physmem. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29322a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] endianess annotations for xfs_bmbt_rec_tChristoph Hellwig
SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29321a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] cleanup defintions of BMBT_*BITLEN macrosChristoph Hellwig
The BMBT_*BITLEN are currently defined in a complicated way depending on XFS_NATIVE_HOST. But if all the macros are expanded they (obviously) expand to the same value for both cases. This patch defines the macros in the most simple way and updates the comment describing them to remove outdated bits. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29320a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] clean up xfs_bmbt_set_all/xfs_bmbt_disk_set_allChristoph Hellwig
xfs_bmbt_set_all/xfs_bmbt_disk_set_all are identical to xfs_bmbt_set_allf/xfs_bmbt_disk_set_allf except that the former take a xfs_bmbt_irec_t and the latter take the individual extent fields as scalar values. This patch reimplements xfs_bmbt_set_all/xfs_bmbt_disk_set_all as trivial wrappers around xfs_bmbt_set_allf/xfs_bmbt_disk_set_allf and cleans up the variable naming in xfs_bmbt_set_allf/xfs_bmbt_disk_set_allf to have some meaning instead of one char variable names. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29319a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] split ondisk vs incore versions of xfs_bmbt_rec_tChristoph Hellwig
currently xfs_bmbt_rec_t is used both for ondisk extents as well as host-endian ones. This patch adds a new xfs_bmbt_rec_host_t for the native endian ones and cleans up the fallout. There have been various endianess issues in the tracing / debug printf code that are fixed by this patch. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29318a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] remove confusing INT_ comments in xfs_bmap_btree.cChristoph Hellwig
SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29317a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] hole not shown when file is created with resvspVlad Apostolov
SGI-PV: 967674 SGI-Modid: xfs-linux-melb:xfs-kern:29211a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-15[XFS] Barriers need to be dynamically checked and switched offDavid Chinner
If the underlying block device suddenly stops supporting barriers, we need to handle the -EOPNOTSUPP error in a sane manner rather than shutting down the filesystem. If we get this error, clear the barrier flag, reissue the I/O, and tell the world bad things are occurring. SGI-PV: 964544 SGI-Modid: xfs-linux-melb:xfs-kern:28568a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-09NLM: Fix a memory leak in nlmsvc_testlockTrond Myklebust
The recent fix for a circular lock dependency unfortunately introduced a potential memory leak in the event where the call to nlmsvc_lookup_host fails for some reason. Thanks to Roel Kluin for spotting this. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-08AIO: fix cleanup in io_submit_one(...)Yan Zheng
When IOCB_FLAG_RESFD flag is set and iocb->aio_resfd is incorrect, statement 'goto out_put_req' is executed. At label 'out_put_req', aio_put_req(..) is called, which requires 'req->ki_filp' set. Signed-off-by: Yan Zheng<yanzheng@21cn.com> Cc: Zach Brown <zach.brown@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-03Merge branch 'for-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin arch: fix PORT_J BUG for BF537/6 EMAC driver reported by Kalle Pokki <kalle.pokki@iki.fi> Blackfin arch: gpio pinmux and resource allocation API required by BF537 on chip ethernet mac driver Blackfin arch: add some missing syscall binfmt_flat: checkpatch fixing minimum support for the blackfin relocations Binfmt_flat: Add minimum support for the Blackfin relocations
2007-10-03ocfs2: Unlock mutex in local alloc failure caseSunil Mushran
The fs was not unlocking the local alloc inode mutex in the code path in which it failed to find a window of free bits in the global bitmap. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
2007-10-01Fix possible splice() mmap_sem deadlockLinus Torvalds
Nick Piggin points out that splice isn't being good about the mmap semaphore: while two readers can nest inside each others, it does leave a possible deadlock if a writer (ie a new mmap()) comes in during that nesting. Original "just move the locking" patch by Nick, replaced by one by me based on an optimistic pagefault_disable(). And then Jens tested and updated that patch. Reported-by: Nick Piggin <npiggin@suse.de> Tested-by: Jens Axboe <jens.axboe@oracle.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-01Revert "[XFS] Avoid replaying inode buffer initialisation log items if ↵Tim Shimmin
on-disk version is newer." This reverts commit b394e43e995d08821588a22561c6a71a63b4ff27. Lachlan McIlroy says: It tried to fix an issue where log replay is replaying an inode cluster initialisation transaction that should not be replayed because the inode cluster on disk is more up to date. Since we don't log file sizes (we rely on inode flushing to get them to disk) then we can't just replay all the transations in the log and expect the inode to be completely restored. We lose file size updates. Unfortunately this fix is causing more (serious) problems than it is fixing. SGI-PV: 969656 SGI-Modid: xfs-linux-melb:xfs-kern:29804a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-09-28NFS: Fix an Oops in encode_lookup()Trond Myklebust
It doesn't look as if the NFS file name limit is being initialised correctly in the struct nfs_server. Make sure that we limit whatever is being set in nfs_probe_fsinfo() and nfs_init_server(). Also ensure that readdirplus and nfs4_path_walk respect our file name limits. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-26NLM: Fix a circular lock dependency in lockdTrond Myklebust
The problem is that the garbage collector for the 'host' structures nlm_gc_hosts(), holds nlm_host_mutex while calling down to nlmsvc_mark_resources, which, eventually takes the file->f_mutex. We cannot therefore call nlmsvc_lookup_host() from within nlmsvc_create_block, since the caller will already hold file->f_mutex, so the attempt to grab nlm_host_mutex may deadlock. Fix the problem by calling nlmsvc_lookup_host() outside the file->f_mutex. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-26Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: [PATCH] WE : Add missing auth compat-ioctl [PATCH] softmac: Fix inability to associate with WEP networks
2007-09-25Merge branch 'fixes-jgarzik' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
2007-09-25ufs: fix sun stateEvgeniy Dushistov
Different types of ufs hold state in different places, to hide complexity of this, there is ufs_get_fs_state, it returns state according to "UFS_SB(sb)->s_flags", but during mount ufs_get_fs_state is called, before setting s_flags, this cause message for ufs types like sun ufs: "fs need fsck", and remount in readonly state. Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-22Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6Linus Torvalds
* 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6: [XFS] fix valid but harmless sparse warning [XFS] fix filestreams on 32-bit boxes
2007-10-03binfmt_flat: checkpatch fixing minimum support for the blackfin relocationsAndrew Morton
Cc: Bernd Schmidt <bernd.schmidt@analog.com> Cc: David McCullough <davidm@snapgear.com> Cc: Greg Ungerer <gerg@snapgear.com> Cc: Miles Bader <miles.bader@necel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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