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* [PATCH] Make most file operations structs in fs/ constArjan van de Ven2006-03-282-6/+6
| | | | | | | | | | | | | | This is a conversion to make the various file_operations structs in fs/ const. Basically a regexp job, with a few manual fixups The goal is both to increase correctness (harder to accidentally write to shared datastructures) and reducing the false sharing of cachelines with things that get dirty in .data (while .rodata is nicely read only and thus cache clean) Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] remove ->get_blocks() supportBadari Pulavarty2006-03-261-3/+3
| | | | | | | | | | Now that get_block() can handle mapping multiple disk blocks, no need to have ->get_blocks(). This patch removes fs specific ->get_blocks() added for DIO and makes it users use get_block() instead. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] map multiple blocks for mpage_readpages()Badari Pulavarty2006-03-261-2/+3
| | | | | | | | | | | | | | | | | | This patch changes mpage_readpages() and get_block() to get the disk mapping information for multiple blocks at the same time. b_size represents the amount of disk mapping that needs to mapped. On the successful get_block() b_size indicates the amount of disk mapping thats actually mapped. Only the filesystems who care to use this information and provide multiple disk blocks at a time can choose to do so. No changes are needed for the filesystems who wants to ignore this. [akpm@osdl.org: cleanups] Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Cc: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mempool: use mempool_create_slab_pool()Matthew Dobson2006-03-261-3/+2
| | | | | | | | | | Modify well over a dozen mempool users to call mempool_create_slab_pool() rather than calling mempool_create() with extra arguments, saving about 30 lines of code and increasing readability. Signed-off-by: Matthew Dobson <colpatch@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Make address_space_operations->invalidatepage return voidNeilBrown2006-03-261-2/+2
| | | | | | | | | | | | | | | | The return value of this function is never used, so let's be honest and declare it as void. Some places where invalidatepage returned 0, I have inserted comments suggesting a BUG_ON. [akpm@osdl.org: JBD BUG fix] [akpm@osdl.org: rework for git-nfs] [akpm@osdl.org: don't go BUG in block_invalidate_page()] Signed-off-by: Neil Brown <neilb@suse.de> Acked-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] cpuset memory spread slab cache hooksPaul Jackson2006-03-241-1/+1
| | | | | | | | | | | | | | | | | | Change the kmem_cache_create calls for certain slab caches to support cpuset memory spreading. See the previous patches, cpuset_mem_spread, for an explanation of cpuset memory spreading, and cpuset_mem_spread_slab_cache for the slab cache support for memory spreading. The slab caches marked for now are: dentry_cache, inode_cache, some xfs slab caches, and buffer_head. This list may change over time. In particular, other file system types that are used extensively on large NUMA systems may want to allow for spreading their directory and inode slab cache entries. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs: Use ARRAY_SIZE macroTobias Klauser2006-03-242-2/+2
| | | | | | | | | | | | | | | | | Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a duplicate of ARRAY_SIZE. Some trailing whitespaces are also deleted. Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Cc: David Howells <dhowells@redhat.com> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Chris Mason <mason@suse.com> Cc: Jeff Mahoney <jeffm@suse.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge git://oss.sgi.com:8090/oss/git/xfs-2.6Linus Torvalds2006-03-2368-3118/+4902
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://oss.sgi.com:8090/oss/git/xfs-2.6: (71 commits) [XFS] Sync up one/two other minor changes missed in previous merges. [XFS] Reenable the noikeep (delete inode cluster space) option by default. [XFS] Check that a page has dirty buffers before finding it acceptable for [XFS] Fixup naming inconsistencies found by Pekka Enberg and one from Jan [XFS] Explain the race closed by the addition of vn_iowait() to the start [XFS] Fixing the error caused by the conflict between DIO Write's [XFS] Fixing KDB's xrwtrc command, also added the current process id into [XFS] Fix compiler warning from xfs_file_compat_invis_ioctl prototype. [XFS] remove bogus INT_GET for u8 variables in xfs_dir_leaf.c [XFS] endianess annotations for xfs_da_node_hdr_t [XFS] endianess annotations for xfs_da_node_entry_t [XFS] store xfs_attr_inactive_list_t in native endian [XFS] store xfs_attr_sf_sort in native endian [XFS] endianess annotations for xfs_attr_shortform_t [XFS] endianess annotations for xfs_attr_leaf_name_remote_t [XFS] endianess annotations for xfs_attr_leaf_name_local_t [XFS] endianess annotations for xfs_attr_leaf_entry_t [XFS] endianess annotations for xfs_attr_leaf_hdr_t [XFS] remove bogus INT_GET on u8 variables in xfs_dir2_block.c [XFS] endianess annotations for xfs_da_blkinfo_t ...
| * [XFS] Sync up one/two other minor changes missed in previous merges.Nathan Scott2006-03-225-43/+18
| | | | | | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Reenable the noikeep (delete inode cluster space) option by default.Nathan Scott2006-03-221-5/+3
| | | | | | | | | | | | | | SGI-PV: 951200 SGI-Modid: xfs-linux-melb:xfs-kern:25535a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Check that a page has dirty buffers before finding it acceptable forDavid Chinner2006-03-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | rewrite clustering. This prevents writing excessive amounts of clean data when doing random rewrites of a cached file. SGI-PV: 951193 SGI-Modid: xfs-linux-melb:xfs-kern:25531a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Fixup naming inconsistencies found by Pekka Enberg and one from JanNathan Scott2006-03-224-20/+20
| | | | | | | | | | | | | | | | | | Engelhardt. SGI-PV: 947038 SGI-Modid: xfs-linux-melb:xfs-kern:25529a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Explain the race closed by the addition of vn_iowait() to the startDavid Chinner2006-03-221-0/+10
| | | | | | | | | | | | | | | | | | | | of xfs_itruncate_start(). SGI-PV: 947420 SGI-Modid: xfs-linux-melb:xfs-kern:25527a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Fixing the error caused by the conflict between DIO Write'sYingping Lu2006-03-222-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | conversion and concurrent truncate operations. Use vn_iowait to wait for the completion of any pending DIOs. Since the truncate requires exclusive IOLOCK, so this blocks any further DIO operations since DIO write also needs exclusive IOBLOCK. This serves as a barrier and prevent any potential starvation. SGI-PV: 947420 SGI-Modid: xfs-linux-melb:xfs-kern:208088a Signed-off-by: Yingping Lu <yingping@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Fixing KDB's xrwtrc command, also added the current process id intoYingping Lu2006-03-224-8/+8
| | | | | | | | | | | | | | | | | | | | the trace. SGI-PV: 948300 SGI-Modid: xfs-linux-melb:xfs-kern:208069a Signed-off-by: Yingping Lu <yingping@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Fix compiler warning from xfs_file_compat_invis_ioctl prototype. Nathan Scott2006-03-201-1/+1
| | | | | | | | | | | | | | | | SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:25509a Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] remove bogus INT_GET for u8 variables in xfs_dir_leaf.c Nathan Scott2006-03-171-10/+9
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25506a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_da_node_hdr_t Nathan Scott2006-03-176-85/+86
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25505a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_da_node_entry_t Nathan Scott2006-03-176-60/+59
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25504a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] store xfs_attr_inactive_list_t in native endian Nathan Scott2006-03-171-9/+5
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25503a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] store xfs_attr_sf_sort in native endian Nathan Scott2006-03-171-10/+7
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25502a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_attr_shortform_t Nathan Scott2006-03-173-35/+30
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25501a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_attr_leaf_name_remote_t Nathan Scott2006-03-172-18/+14
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25500a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_attr_leaf_name_local_t Nathan Scott2006-03-172-13/+11
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25499a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_attr_leaf_entry_t Nathan Scott2006-03-173-92/+74
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25498a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_attr_leaf_hdr_t Nathan Scott2006-03-173-237/+198
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25497a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] remove bogus INT_GET on u8 variables in xfs_dir2_block.c Nathan Scott2006-03-171-4/+4
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25496a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_da_blkinfo_t Nathan Scott2006-03-179-245/+205
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25495a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for XFS_DIR2_DATA_ENTRY_TAG_P Nathan Scott2006-03-175-28/+27
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25494a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_leaf_entry_t Nathan Scott2006-03-177-87/+93
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25493a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_leaf_hdr_t Nathan Scott2006-03-175-100/+100
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25492a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_block_tail_t Nathan Scott2006-03-175-39/+38
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25491a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for XFS_DIR2_DATA_UNUSED_TAG_P Nathan Scott2006-03-173-27/+24
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25490a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_data_unused_t Nathan Scott2006-03-175-61/+58
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25489a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_leaf_tail_t Nathan Scott2006-03-174-23/+23
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25487a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for XFS_DIR2_LEAF_BESTS_P Nathan Scott2006-03-174-22/+21
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25486a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_free_hdr_t Nathan Scott2006-03-174-54/+54
| | | | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25485a Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] endianess annotations for xfs_dir2_data_hdr structure.Nathan Scott2006-03-176-93/+99
| | | | | | | | | | | | | | SGI-PV: 943272 SGI-Modid: xfs-linux-melb:xfs-kern:25484a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Flush and invalidate dirty pages at the start of a direct read also,Nathan Scott2006-03-171-0/+4
| | | | | | | | | | | | | | | | | | else we can hit a delalloc-extents-via-direct-io BUG. SGI-PV: 949916 SGI-Modid: xfs-linux-melb:xfs-kern:25483a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Merge Yingpings fix for a vn_count assert failure during QA -Nathan Scott2006-03-171-0/+2
| | | | | | | | | | | | | | | | | | another ENOSPC condition. SGI-PV: 950784 SGI-Modid: xfs-linux-melb:xfs-kern:25482a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Make couple names consitent, be more defensive on releasepage (andNathan Scott2006-03-171-4/+7
| | | | | | | | | | | | | | | | | | prep for nobh, someday, maybe). SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:25481a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Cleanup references to i_sem.Nathan Scott2006-03-171-21/+20
| | | | | | | | | | | | | | SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:25480a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Fix an infinite loop issue in bulkstat when a corrupt inode isNathan Scott2006-03-175-20/+24
| | | | | | | | | | | | | | | | | | detected. Thanks to Roger Willcocks. SGI-PV: 951054 SGI-Modid: xfs-linux-melb:xfs-kern:25477a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Correct the dquot reservation component for the link transation.Nathan Scott2006-03-171-1/+1
| | | | | | | | | | | | | | SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:25476a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Complete transition away from linvfs naming convention, finally.Nathan Scott2006-03-1720-122/+135
| | | | | | | | | | | | | | SGI-PV: 947038 SGI-Modid: xfs-linux-melb:xfs-kern:25474a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] There are a few problems with the newMandy Kirkconnell2006-03-173-29/+102
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | xfs_bmap_search_multi_extents() wrapper function that I introduced in mod xfs-linux:xfs-kern:207393a. The function was added as a wrapper around xfs_bmap_do_search_extents() to avoid breaking the top-of-tree CXFS interface. The idea of the function was basically to extract the target extent buffer (if muli- level extent allocation mode), then call xfs_bmap_do_search_extents() with either a pointer to the first extent in the target buffer or a pointer to the first extent in the file, depending on which extent mode was being used. However, in addition to locating the target extent record for block bno, xfs_bmap_do_search_extents() also sets four parameters needed by the caller: *lastx, *eofp, *gotp, *prevp. Passing only the target extent buffer to xfs_bmap_do_search_extents() causes *eofp to be set incorrectly if the extent is at the end of the target list but there are actually more extents in the next er_extbuf. Likewise, if the extent is the first one in the buffer but NOT the first in the file, *prevp is incorrectly set to NULL. Adding the needed functionality to xfs_bmap_search_multi_extents() to re-set any incorrectly set fields is redundant and makes the call to xfs_bmap_do_search_extents() not make much sense when multi-level extent allocation mode is being used. This mod basically extracts the two functional components from xfs_bmap_do_search_extents(), with the intent of obsoleting/removing xfs_bmap_do_search_extents() after the CXFS mult-level in-core extent changes are checked in. The two components are: 1) The binary search to locate the target extent record, and 2) Setting the four parameters needed by the caller (*lastx, *eofp, *gotp, *prevp). Component 1: I created a new function in xfs_inode.c called xfs_iext_bno_to_ext(), which executes the binary search to find the target extent record. xfs_bmap_search_multi_extents() has been modified to call xfs_iext_bno_to_ext() rather than xfs_bmap_do_search_extents(). Component 2: The parameter setting functionality has been added to xfs_bmap_search_multi_extents(), eliminating the need for xfs_bmap_do_search_extents(). These changes make the removal of xfs_bmap_do_search_extents() trival once the CXFS changes are in place. They also allow us to maintain the current XFS interface, using the new search function introduced in mod xfs-linux:xfs-kern:207393a. SGI-PV: 928864 SGI-Modid: xfs-linux-melb:xfs-kern:207866a Signed-off-by: Mandy Kirkconnell <alkirkco@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Revert kiocb and vattr stack changes, theory is the AIO rework willNathan Scott2006-03-142-89/+42
| | | | | | | | | | | | | | | | | | help here and vattr may be small enough. SGI-PV: 947312 SGI-Modid: xfs-linux-melb:xfs-kern:25423a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Dynamically allocate the xfs_dinode_core_t structure to reduce ourNathan Scott2006-03-141-9/+4
| | | | | | | | | | | | | | | | | | stack footprint in xfs_ialloc_ag_alloc. SGI-PV: 947312 SGI-Modid: xfs-linux-melb:xfs-kern:25420a Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Fix assert to check that in-core extents are inline only.Mandy Kirkconnell2006-03-141-2/+2
| | | | | | | | | | | | | | | | SGI-PV: 950678 SGI-Modid: xfs-linux-melb:xfs-kern:207634a Signed-off-by: Mandy Kirkconnell <alkirkco@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
| * [XFS] Switch over from linvfs names for sb/quotactl operations forNathan Scott2006-03-145-69/+69
| | | | | | | | | | | | | | | | | | consistent naming. SGI-PV: 950556 SGI-Modid: xfs-linux-melb:xfs-kern:25382a Signed-off-by: Nathan Scott <nathans@sgi.com>
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