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* [XFS] kill xfs_iocore_tChristoph Hellwig2008-02-071-1/+0
| | | | | | | | | | | | | | | xfs_iocore_t is a structure embedded in xfs_inode. Except for one field it just duplicates fields already in xfs_inode, and there is nothing this abstraction buys us on XFS/Linux. This patch removes it and shrinks source and binary size of xfs aswell as shrinking the size of xfs_inode by 60/44 bytes in debug/non-debug builds. SGI-PV: 970852 SGI-Modid: xfs-linux-melb:xfs-kern:29754a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] kill struct bhv_vfsChristoph Hellwig2007-10-161-1/+0
| | | | | | | | | | | | Now that struct bhv_vfs doesn't have any members left we can kill it and go directly from the super_block to the xfs_mount everywhere. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29509a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] call common xfs vfs-level helpers directly and remove vfs operationsChristoph Hellwig2007-10-161-2/+0
| | | | | | | | | | | Also remove the now dead behavior code. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29505a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] decontaminate vfs operations from behavior detailsChristoph Hellwig2007-10-161-0/+1
| | | | | | | | | | | | 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>
* [XFS] call common xfs vnode-level helpers directly and remove vnode operationsChristoph Hellwig2007-10-161-1/+0
| | | | | | | | | 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>
* [XFS] decontaminate vnode operations from behavior detailsChristoph Hellwig2007-10-151-0/+1
| | | | | | | | | | | | | | | 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>
* [XFS] kill move.[ch]Christoph Hellwig2007-10-151-1/+0
| | | | | | | | | | | 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>
* [XFS] Concurrent Multi-File Data StreamsDavid Chinner2007-07-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In media spaces, video is often stored in a frame-per-file format. When dealing with uncompressed realtime HD video streams in this format, it is crucial that files do not get fragmented and that multiple files a placed contiguously on disk. When multiple streams are being ingested and played out at the same time, it is critical that the filesystem does not cross the streams and interleave them together as this creates seek and readahead cache miss latency and prevents both ingest and playout from meeting frame rate targets. This patch set creates a "stream of files" concept into the allocator to place all the data from a single stream contiguously on disk so that RAID array readahead can be used effectively. Each additional stream gets placed in different allocation groups within the filesystem, thereby ensuring that we don't cross any streams. When an AG fills up, we select a new AG for the stream that is not in use. The core of the functionality is the stream tracking - each inode that we create in a directory needs to be associated with the directories' stream. Hence every time we create a file, we look up the directories' stream object and associate the new file with that object. Once we have a stream object for a file, we use the AG that the stream object point to for allocations. If we can't allocate in that AG (e.g. it is full) we move the entire stream to another AG. Other inodes in the same stream are moved to the new AG on their next allocation (i.e. lazy update). Stream objects are kept in a cache and hold a reference on the inode. Hence the inode cannot be reclaimed while there is an outstanding stream reference. This means that on unlink we need to remove the stream association and we also need to flush all the associations on certain events that want to reclaim all unreferenced inodes (e.g. filesystem freeze). SGI-PV: 964469 SGI-Modid: xfs-linux-melb:xfs-kern:29096a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Vlad Apostolov <vapo@sgi.com>
* [XFS] 956618: Linux crashes on boot with XFS-DMAPI filesystem whenVlad Apostolov2006-11-111-16/+1
| | | | | | | | | | CONFIG_XFS_TRACE is on SGI-PV: 956618 SGI-Modid: xfs-linux-melb:xfs-kern:27196a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove v1 dir trace macro - missed in a past commit.Tim Shimmin2006-09-291-1/+0
| | | | Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove files from the build that are now unused.Nathan Scott2006-06-201-2/+0
| | | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix a Makefile issue related to exports.o handling.Nathan Scott2006-06-201-1/+1
| | | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Sync up one/two other minor changes missed in previous merges.Nathan Scott2006-03-221-27/+13
| | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Cleanup cosmetic differences between source trees.Nathan Scott2005-11-031-1/+0
| | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Revert recent quota Makefile change, not in a fit state for merging.Nathan Scott2005-09-091-2/+13
| | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix modular XFS builds (Makefile botch).Nathan Scott2005-09-081-1/+1
| | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Sort out some cosmetic differences between XFS trees.Nathan Scott2005-09-051-0/+141
SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:23719a Signed-off-by: Nathan Scott <nathans@sgi.com>
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