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Lachlan McIlroy b877e3d37d [XFS] Restore the lowspace extent allocator algorithm 
When free space is running low the extent allocator may choose to allocate
an extent from an AG without leaving sufficient space for a btree split
when inserting the new extent (see where xfs_bmap_btalloc() sets minleft
to 0). In this case the allocator will enable the lowspace algorithm which
is supposed to allow further allocations (such as btree splits and
newroots) to allocate from sequential AGs. This algorithm has been broken
for a long time and this patch restores its behaviour.

SGI-PV: 983338

SGI-Modid: xfs-linux-melb:xfs-kern:31358a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <dgc@sgi.com>
2008-07-28 16:59:11 +10:00
..
linux-2.6 [XFS] attrmulti cleanup 2008-07-28 16:59:09 +10:00
quota [XFS] Remove unused Falgs parameter from xfs_qm_dqpurge() 2008-07-28 16:58:08 +10:00
support [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
Kconfig [XFS] allow enabling CONFIG_XFS_DEBUG 2008-04-29 16:07:48 +10:00
Makefile [XFS] Use the generic xattr methods. 2008-07-28 16:58:49 +10:00
xfs.h [XFS] Fix broken HAVE_SPLICE removal commit. 2008-04-29 15:57:49 +10:00
xfs_acl.c [XFS] Switches xfs_vn_listxattr to set it's put_listent callback directly 2008-07-28 16:58:53 +10:00
xfs_acl.h [XFS] use generic_permission 2008-02-07 18:22:38 +11:00
xfs_ag.h [XFS] Unwrap pagb_lock. 2008-02-07 16:46:39 +11:00
xfs_alloc.c [XFS] fix logic error in xfs_alloc_ag_vextent_near() 2008-04-18 12:03:02 +10:00
xfs_alloc.h [XFS] Lazy Superblock Counters 2007-07-14 15:28:50 +10:00
xfs_alloc_btree.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_alloc_btree.h
xfs_arch.h xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_attr.c [XFS] Switches xfs_vn_listxattr to set it's put_listent callback directly 2008-07-28 16:58:53 +10:00
xfs_attr.h [XFS] attrmulti cleanup 2008-07-28 16:59:09 +10:00
xfs_attr_leaf.c [XFS] Switches xfs_vn_listxattr to set it's put_listent callback directly 2008-07-28 16:58:53 +10:00
xfs_attr_leaf.h [XFS] Switches xfs_vn_listxattr to set it's put_listent callback directly 2008-07-28 16:58:53 +10:00
xfs_attr_sf.h [XFS] 2008-07-28 16:58:35 +10:00
xfs_bit.c [XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac 2008-02-26 17:05:44 +11:00
xfs_bit.h [XFS] Undo bit ops cleanup mod due to regression on 32-bit powermac 2008-02-26 17:05:44 +11:00
xfs_bmap.c [XFS] Always reset btree cursor after an insert 2008-07-28 16:59:03 +10:00
xfs_bmap.h [XFS] Restore the lowspace extent allocator algorithm 2008-07-28 16:59:11 +10:00
xfs_bmap_btree.c [XFS] Restore the lowspace extent allocator algorithm 2008-07-28 16:59:11 +10:00
xfs_bmap_btree.h [XFS] remove shouting-indirection macros from xfs_sb.h 2008-04-10 16:24:45 +10:00
xfs_btree.c
xfs_btree.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_buf_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_buf_item.h [XFS] Fix up sparse warnings. 2008-02-07 18:14:38 +11:00
xfs_clnt.h [XFS] Fix up noattr2 so that it will properly update the versionnum and 2008-07-28 16:58:05 +10:00
xfs_da_btree.c [XFS] Add op_flags field and helpers to xfs_da_args 2008-07-28 16:58:37 +10:00
xfs_da_btree.h [XFS] Return case-insensitive match for dentry cache 2008-07-28 16:58:40 +10:00
xfs_dfrag.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_dfrag.h
xfs_dinode.h [XFS] Remove CFORK macros and use code directly in IFORK and DFORK macros. 2008-02-07 18:19:24 +11:00
xfs_dir2.c [XFS] Zero uninitialised xfs_da_args structure in xfs_dir2.c 2008-07-28 16:58:46 +10:00
xfs_dir2.h [XFS] Return case-insensitive match for dentry cache 2008-07-28 16:58:40 +10:00
xfs_dir2_block.c [XFS] Return case-insensitive match for dentry cache 2008-07-28 16:58:40 +10:00
xfs_dir2_block.h [XFS] use filldir internally 2007-10-15 16:49:49 +10:00
xfs_dir2_data.c [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_dir2_data.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_leaf.c [XFS] Fix CI lookup in leaf-form directories 2008-07-28 16:59:06 +10:00
xfs_dir2_leaf.h [XFS] use filldir internally 2007-10-15 16:49:49 +10:00
xfs_dir2_node.c [XFS] Fix returning case-preserved name with CI node form directories 2008-07-28 16:59:01 +10:00
xfs_dir2_node.h [XFS] Reduce shouting by removing unnecessary macros from dir2 code. 2007-07-14 15:37:02 +10:00
xfs_dir2_sf.c [XFS] Return case-insensitive match for dentry cache 2008-07-28 16:58:40 +10:00
xfs_dir2_sf.h [XFS] Pack some shortform dir2 structures for the ARM old ABI 2008-07-28 16:58:50 +10:00
xfs_dir2_trace.c [XFS] Add op_flags field and helpers to xfs_da_args 2008-07-28 16:58:37 +10:00
xfs_dir2_trace.h
xfs_dmapi.h [XFS] kill the vfs_flags member in struct bhv_vfs 2007-10-16 11:45:57 +10:00
xfs_dmops.c [XFS] fixups after behavior removal merge into mainline git 2007-10-19 17:14:45 +10:00
xfs_error.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_error.h [XFS] lose xfs_hex_dump in favor of print_hex_dump 2008-02-07 18:13:05 +11:00
xfs_extfree_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_extfree_item.h
xfs_filestream.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_filestream.h [XFS] Concurrent Multi-File Data Streams 2007-07-14 15:40:53 +10:00
xfs_fs.h [XFS] attrmulti cleanup 2008-07-28 16:59:09 +10:00
xfs_fsops.c [XFS] XFS: ASCII case-insensitive support 2008-07-28 16:58:42 +10:00
xfs_fsops.h
xfs_ialloc.c [XFS] Don't initialise new inode generation numbers to zero 2008-04-29 15:58:56 +10:00
xfs_ialloc.h [XFS] Pick a single default inode cluster size. 2007-10-15 16:39:35 +10:00
xfs_ialloc_btree.c xfs: convert beX_add to beX_add_cpu (new common API) 2008-02-13 16:21:19 -08:00
xfs_ialloc_btree.h [XFS] kill XFS_INOBT_IS_FREE_DISK 2008-02-07 18:12:41 +11:00
xfs_iget.c [XFS] shrink mrlock_t 2008-04-29 15:54:02 +10:00
xfs_imap.h
xfs_inode.c [XFS] fix extent corruption in xfs_iext_irec_compact_full() 2008-07-28 16:58:56 +10:00
xfs_inode.h [XFS] kill xfs_igrow_start and xfs_igrow_finish 2008-07-28 16:58:18 +10:00
xfs_inode_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_inode_item.h [XFS] Use xfs_inode_clean() in more places 2008-04-18 11:37:51 +10:00
xfs_inum.h
xfs_iomap.c [XFS] use minleft when allocating in xfs_bmbt_split() 2008-07-28 16:59:10 +10:00
xfs_iomap.h [XFS] kill unnessecary ioops indirection 2008-02-07 16:44:14 +11:00
xfs_itable.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_itable.h [XFS] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} & XFS_IOC_FSINUMBERS in compat mode 2007-07-14 15:42:50 +10:00
xfs_log.c [XFS] Convert l_flushsema to a sv_t 2008-07-28 16:58:12 +10:00
xfs_log.h [XFS] Sanitise xfs_log_force error checking. 2008-04-18 12:02:20 +10:00
xfs_log_priv.h [XFS] Convert l_flushsema to a sv_t 2008-07-28 16:58:12 +10:00
xfs_log_recover.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_log_recover.h
xfs_mount.c [XFS] kill xfs_mount_init 2008-07-28 16:58:29 +10:00
xfs_mount.h [XFS] Name operation vector for hash and compare 2008-07-28 16:58:36 +10:00
xfs_mru_cache.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_mru_cache.h [XFS] On-demand reaping of the MRU cache 2007-09-17 16:42:02 +10:00
xfs_qmops.c [XFS] Unwrap XFS_SB_LOCK. 2008-02-07 16:47:15 +11:00
xfs_quota.h [XFS] remove dependency of the quota module on behaviors 2007-10-16 11:43:26 +10:00
xfs_refcache.h
xfs_rename.c [XFS] kill usesless IHOLD calls in xfs_rename 2008-04-29 15:54:24 +10:00
xfs_rtalloc.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_rtalloc.h [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config 2008-02-07 18:16:43 +11:00
xfs_rw.c [XFS] Sanitise xfs_log_force error checking. 2008-04-18 12:02:20 +10:00
xfs_rw.h [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config 2008-02-07 18:16:43 +11:00
xfs_sb.h [XFS] XFS: ASCII case-insensitive support 2008-07-28 16:58:42 +10:00
xfs_trans.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans.h [XFS] Replace custom AIL linked-list code with struct list_head 2008-04-18 11:41:57 +10:00
xfs_trans_ail.c [XFS] replace remaining __FUNCTION__ occurrences 2008-04-18 11:51:26 +10:00
xfs_trans_buf.c [XFS] Ensure errors from xfs_bdstrat() are correctly checked. 2008-04-18 12:00:24 +10:00
xfs_trans_extfree.c [XFS] Radix tree based inode caching 2007-10-15 16:50:50 +10:00
xfs_trans_inode.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans_item.c [XFS] Remove unused arg from kmem_free() 2008-07-28 16:58:07 +10:00
xfs_trans_priv.h [XFS] Move AIL pushing into it's own thread 2008-02-07 18:22:51 +11:00
xfs_trans_space.h
xfs_types.h [XFS] remove bhv_vname_t and xfs_rename code 2008-04-18 12:00:12 +10:00
xfs_utils.c [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_utils.h [XFS] remove manual lookup from xfs_rename and simplify locking 2008-04-29 15:54:12 +10:00
xfs_vfsops.c [XFS] merge xfs_mount into xfs_fs_fill_super 2008-07-28 16:58:21 +10:00
xfs_vfsops.h [XFS] merge xfs_mount into xfs_fs_fill_super 2008-07-28 16:58:21 +10:00
xfs_vnodeops.c [XFS] Merge xfs_rmdir into xfs_remove 2008-07-28 16:58:58 +10:00
xfs_vnodeops.h [XFS] Merge xfs_rmdir into xfs_remove 2008-07-28 16:58:58 +10:00