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Alex Elder 8a262e573d xfs: use scalable vmap API 
Re-apply a commit that had been reverted due to regressions
that have since been fixed.

    From 95f8e302c0 Mon Sep 17 00:00:00 2001
    From: Nick Piggin <npiggin@suse.de>
    Date: Tue, 6 Jan 2009 14:43:09 +1100

    Implement XFS's large buffer support with the new vmap APIs. See the vmap
    rewrite (db64fe02) for some numbers. The biggest improvement that comes from
    using the new APIs is avoiding the global KVA allocation lock on every call.

    Signed-off-by: Nick Piggin <npiggin@suse.de>
    Reviewed-by: Christoph Hellwig <hch@infradead.org>
    Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

Only modifications here were a minor reformat, plus making the patch
apply given the new use of xfs_buf_is_vmapped().

Modified-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
2010-03-16 15:40:36 -05:00
..
linux-2.6 xfs: use scalable vmap API 2010-03-16 15:40:36 -05:00
quota fs/xfs: Correct NULL test 2010-02-13 13:22:53 -06:00
support xfs: event tracing support 2009-12-14 23:08:16 -06:00
Kconfig xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
Makefile xfs: merge xfs_lrw.c into xfs_file.c 2010-03-01 16:34:18 -06:00
xfs.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_acl.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_ag.h xfs: embed the pagb_list array in the perag structure 2010-01-15 15:34:39 -06:00
xfs_alloc.c xfs: cleanup up xfs_log_force calling conventions 2010-01-21 13:44:49 -06:00
xfs_alloc.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_alloc_btree.c xfs: Don't directly reference m_perag in allocation code 2010-01-15 15:33:12 -06:00
xfs_alloc_btree.h
xfs_arch.h xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
xfs_attr.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_attr.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_attr_leaf.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_attr_leaf.h [XFS] Remove macro-to-function indirections in attr code 2009-01-09 15:46:44 +11:00
xfs_attr_sf.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_bit.c
xfs_bit.h [XFS] Remove macro-to-function indirections in the mask code 2009-01-09 15:53:54 +11:00
xfs_bmap.c xfs: split xfs_bmap_btalloc 2010-03-01 16:35:25 -06:00
xfs_bmap.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_bmap_btree.c xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_bmap_btree.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_btree.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_btree.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_btree_trace.c
xfs_btree_trace.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_buf_item.c xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_buf_item.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_da_btree.c xfs: convert dirnameops to unsigned char names 2010-01-20 10:47:17 +11:00
xfs_da_btree.h xfs: convert dirnameops to unsigned char names 2010-01-20 10:47:17 +11:00
xfs_dfrag.c xfs: clean up inconsistent variable naming in xfs_swap_extent 2010-01-15 15:31:23 -06:00
xfs_dfrag.h xfs: clean up inconsistent variable naming in xfs_swap_extent 2010-01-15 15:31:23 -06:00
xfs_dinode.h xfs: remove m_litino 2009-03-29 09:51:14 +02:00
xfs_dir2.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2.h xfs: make xfs_dir_cilookup_result use unsigned char 2010-01-20 10:47:25 +11:00
xfs_dir2_block.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_block.h
xfs_dir2_data.c
xfs_dir2_data.h xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_dir2_leaf.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_leaf.h
xfs_dir2_node.c xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_dir2_node.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_dir2_sf.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_sf.h [XFS] kill xfs_dinode_core_t 2008-12-01 11:37:35 +11:00
xfs_dmapi.h
xfs_dmops.c [XFS] kill struct xfs_mount_args 2008-10-30 17:53:24 +11:00
xfs_error.c [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
xfs_error.h [XFS] avoid memory allocations in xfs_fs_vcmn_err 2008-12-22 18:02:01 +11:00
xfs_extfree_item.c xfs: kill XLOG_VEC_SET_TYPE 2010-01-21 13:44:43 -06:00
xfs_extfree_item.h [XFS] remove always-true #ifndef HAVE_FORMAT32 tests 2009-01-22 14:07:31 +11:00
xfs_filestream.c xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_filestream.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_fs.h xfs: return inode fork offset in bulkstat for fsr 2010-03-05 11:02:07 -06:00
xfs_fsops.c xfs: Replace per-ag array with a radix tree 2010-01-15 15:33:52 -06:00
xfs_fsops.h filesystem freeze: add error handling of write_super_lockfs/unlockfs 2009-01-09 16:54:42 -08:00
xfs_ialloc.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_ialloc.h xfs: rationalize xfs_inobt_lookup* 2009-09-01 12:45:39 -05:00
xfs_ialloc_btree.c xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_ialloc_btree.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_iget.c xfs: fix locking for inode cache radix tree tag updates 2010-03-01 19:14:36 -06:00
xfs_inode.c xfs: remove xfs_ipin/xfs_iunpin 2010-03-01 16:35:56 -06:00
xfs_inode.h xfs: remove xfs_ipin/xfs_iunpin 2010-03-01 16:35:56 -06:00
xfs_inode_item.c xfs: remove xfs_ipin/xfs_iunpin 2010-03-01 16:35:56 -06:00
xfs_inode_item.h xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_inum.h xfs: remove XFS_INO64_OFFSET 2009-08-31 14:46:22 -05:00
xfs_iomap.c xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_iomap.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_itable.c xfs: return inode fork offset in bulkstat for fsr 2010-03-05 11:02:07 -06:00
xfs_itable.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_log.c xfs: stop passing opaque handles to xfs_log.c routines 2010-03-01 16:35:32 -06:00
xfs_log.h xfs: stop passing opaque handles to xfs_log.c routines 2010-03-01 16:35:32 -06:00
xfs_log_priv.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_log_recover.c xfs: cleanup up xfs_log_force calling conventions 2010-01-21 13:44:49 -06:00
xfs_log_recover.h xfs: Use list_heads for log recovery item lists 2010-01-15 15:31:51 -06:00
xfs_mount.c xfs: Increase the default size of the reserved blocks pool 2010-03-05 11:01:59 -06:00
xfs_mount.h Merge branch 'for-2.6.34-rc1-batch2' into for-linus 2010-03-05 11:45:03 -06:00
xfs_mru_cache.c xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_mru_cache.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_quota.h xfs: kill the unused XFS_QMOPT_* flush flags V2 2010-02-04 09:48:58 +11:00
xfs_refcache.h
xfs_rename.c xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_rtalloc.c xfs: fix missing error check in xfs_rtfree_range 2010-01-15 13:46:19 -06:00
xfs_rtalloc.h xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_rw.c xfs: only clear the suid bit once in xfs_write 2010-02-12 13:43:57 -06:00
xfs_rw.h xfs: only clear the suid bit once in xfs_write 2010-02-12 13:43:57 -06:00
xfs_sb.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_trans.c xfs: stop passing opaque handles to xfs_log.c routines 2010-03-01 16:35:32 -06:00
xfs_trans.h xfs: stop passing opaque handles to xfs_log.c routines 2010-03-01 16:35:32 -06:00
xfs_trans_ail.c xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_trans_buf.c xfs: factor common xfs_trans_bjoin code 2010-03-01 16:35:37 -06:00
xfs_trans_extfree.c
xfs_trans_inode.c xfs: simplify xfs_trans_iget 2009-09-01 12:46:16 -05:00
xfs_trans_item.c xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_trans_priv.h [XFS] Finish removing the mount pointer from the AIL API 2008-10-30 17:39:58 +11:00
xfs_trans_space.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_types.h xfs: directory names are unsigned 2010-01-20 10:44:58 +11:00
xfs_utils.c xfs: kill xfs_qmops 2009-06-08 15:33:32 +02:00
xfs_utils.h
xfs_vnodeops.c xfs: remove wrapper for the fsync file operation 2010-03-01 16:34:38 -06:00
xfs_vnodeops.h xfs: kill xfs_lrw.h 2010-03-01 16:35:44 -06:00