2007-11-27 05:53:47 +00:00
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#
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# Copyright (c) 2000-2005 Silicon Graphics, Inc.
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# All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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2011-08-14 17:13:00 +00:00
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ccflags-y += -I$(src) # needed for trace events
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2014-06-25 04:57:22 +00:00
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ccflags-y += -I$(src)/libxfs
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2011-08-14 17:13:00 +00:00
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2011-01-14 14:12:35 +00:00
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ccflags-$(CONFIG_XFS_DEBUG) += -g
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2007-11-27 05:53:47 +00:00
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obj-$(CONFIG_XFS_FS) += xfs.o
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2007-11-28 07:28:09 +00:00
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2011-08-12 21:21:35 +00:00
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# this one should be compiled first, as the tracing macros can easily blow up
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xfs-y += xfs_trace.o
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2007-11-27 05:53:47 +00:00
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2014-06-25 04:57:22 +00:00
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# build the libxfs code first
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xfs-y += $(addprefix libxfs/, \
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2014-06-25 04:57:53 +00:00
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xfs_alloc.o \
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xfs_alloc_btree.o \
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xfs_attr.o \
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xfs_attr_leaf.o \
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xfs_attr_remote.o \
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2015-07-29 01:52:08 +00:00
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xfs_bit.o \
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2014-06-25 04:57:53 +00:00
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xfs_bmap.o \
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xfs_bmap_btree.o \
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xfs_btree.o \
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xfs_da_btree.o \
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xfs_da_format.o \
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2016-08-03 01:12:25 +00:00
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xfs_defer.o \
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2014-06-25 04:57:53 +00:00
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xfs_dir2.o \
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xfs_dir2_block.o \
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xfs_dir2_data.o \
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xfs_dir2_leaf.o \
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xfs_dir2_node.o \
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xfs_dir2_sf.o \
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xfs_dquot_buf.o \
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xfs_ialloc.o \
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xfs_ialloc_btree.o \
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xfs_inode_fork.o \
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xfs_inode_buf.o \
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xfs_log_rlimit.o \
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xfs: set up per-AG free space reservations
One unfortunate quirk of the reference count and reverse mapping
btrees -- they can expand in size when blocks are written to *other*
allocation groups if, say, one large extent becomes a lot of tiny
extents. Since we don't want to start throwing errors in the middle
of CoWing, we need to reserve some blocks to handle future expansion.
The transaction block reservation counters aren't sufficient here
because we have to have a reserve of blocks in every AG, not just
somewhere in the filesystem.
Therefore, create two per-AG block reservation pools. One feeds the
AGFL so that rmapbt expansion always succeeds, and the other feeds all
other metadata so that refcountbt expansion never fails.
Use the count of how many reserved blocks we need to have on hand to
create a virtual reservation in the AG. Through selective clamping of
the maximum length of allocation requests and of the length of the
longest free extent, we can make it look like there's less free space
in the AG unless the reservation owner is asking for blocks.
In other words, play some accounting tricks in-core to make sure that
we always have blocks available. On the plus side, there's nothing to
clean up if we crash, which is contrast to the strategy that the rough
draft used (actually removing extents from the freespace btrees).
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2016-09-19 00:30:52 +00:00
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xfs_ag_resv.o \
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2016-08-03 01:33:43 +00:00
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xfs_rmap.o \
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2016-08-03 01:36:07 +00:00
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xfs_rmap_btree.o \
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2016-10-03 16:11:19 +00:00
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xfs_refcount.o \
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2016-10-03 16:11:18 +00:00
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xfs_refcount_btree.o \
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2014-06-25 04:57:22 +00:00
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xfs_sb.o \
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2014-06-25 04:57:53 +00:00
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xfs_symlink_remote.o \
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xfs_trans_resv.o \
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)
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# xfs_rtbitmap is shared with libxfs
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xfs-$(CONFIG_XFS_RT) += $(addprefix libxfs/, \
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xfs_rtbitmap.o \
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2014-06-25 04:57:22 +00:00
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)
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2011-08-12 21:21:35 +00:00
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# highlevel code
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xfs-y += xfs_aops.o \
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2013-08-12 10:49:39 +00:00
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xfs_attr_inactive.o \
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2013-08-12 10:49:38 +00:00
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xfs_attr_list.o \
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2013-08-12 10:49:42 +00:00
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xfs_bmap_util.o \
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2011-08-12 21:21:35 +00:00
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xfs_buf.o \
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2013-08-12 10:49:36 +00:00
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xfs_dir2_readdir.o \
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2011-08-12 21:21:35 +00:00
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xfs_discard.o \
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xfs_error.o \
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xfs_export.o \
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2012-04-29 10:39:43 +00:00
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xfs_extent_busy.o \
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2011-08-12 21:21:35 +00:00
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xfs_file.o \
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xfs_filestream.o \
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2017-03-28 21:56:37 +00:00
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xfs_fsmap.o \
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2011-08-12 21:21:35 +00:00
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xfs_fsops.o \
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xfs_globals.o \
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2012-10-08 10:56:09 +00:00
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xfs_icache.o \
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2011-08-12 21:21:35 +00:00
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xfs_ioctl.o \
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xfs_iomap.o \
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xfs_iops.o \
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2014-06-25 04:57:53 +00:00
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xfs_inode.o \
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2011-08-12 21:21:35 +00:00
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xfs_itable.o \
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xfs_message.o \
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2013-08-12 10:49:41 +00:00
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xfs_mount.o \
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2011-08-12 21:21:35 +00:00
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xfs_mru_cache.o \
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2016-10-03 16:11:32 +00:00
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xfs_reflink.o \
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2015-10-18 21:42:46 +00:00
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xfs_stats.o \
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2013-04-03 05:11:18 +00:00
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xfs_super.o \
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2013-08-12 10:49:40 +00:00
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xfs_symlink.o \
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2014-07-14 22:07:01 +00:00
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xfs_sysfs.o \
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2013-08-12 10:49:32 +00:00
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xfs_trans.o \
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2013-04-03 05:11:18 +00:00
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xfs_xattr.o \
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2017-05-04 13:26:23 +00:00
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kmem.o
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2007-11-27 05:53:47 +00:00
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2011-08-12 21:21:35 +00:00
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# low-level transaction/log code
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xfs-y += xfs_log.o \
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xfs_log_cil.o \
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2016-10-03 16:11:25 +00:00
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xfs_bmap_item.o \
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2011-08-12 21:21:35 +00:00
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xfs_buf_item.o \
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xfs_extfree_item.o \
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2014-06-25 04:57:53 +00:00
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xfs_icreate_item.o \
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2011-08-12 21:21:35 +00:00
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xfs_inode_item.o \
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2016-10-03 16:11:20 +00:00
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xfs_refcount_item.o \
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2016-08-03 02:04:45 +00:00
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xfs_rmap_item.o \
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2014-06-25 04:57:53 +00:00
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xfs_log_recover.o \
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2007-11-27 05:53:47 +00:00
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xfs_trans_ail.o \
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2016-10-03 16:11:26 +00:00
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xfs_trans_bmap.o \
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2007-11-27 05:53:47 +00:00
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xfs_trans_buf.o \
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xfs_trans_extfree.o \
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xfs_trans_inode.o \
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2016-10-03 16:11:21 +00:00
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xfs_trans_refcount.o \
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2016-08-03 02:09:48 +00:00
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xfs_trans_rmap.o \
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2007-11-27 05:53:47 +00:00
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2011-08-12 21:21:35 +00:00
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# optional features
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xfs-$(CONFIG_XFS_QUOTA) += xfs_dquot.o \
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xfs_dquot_item.o \
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xfs_trans_dquot.o \
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xfs_qm_syscalls.o \
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xfs_qm_bhv.o \
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xfs_qm.o \
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xfs_quotaops.o
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2013-10-14 22:17:56 +00:00
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# xfs_rtbitmap is shared with libxfs
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2014-06-25 04:57:53 +00:00
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xfs-$(CONFIG_XFS_RT) += xfs_rtalloc.o
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2013-10-14 22:17:56 +00:00
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2011-08-12 21:21:35 +00:00
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xfs-$(CONFIG_XFS_POSIX_ACL) += xfs_acl.o
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xfs-$(CONFIG_SYSCTL) += xfs_sysctl.o
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xfs-$(CONFIG_COMPAT) += xfs_ioctl32.o
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2016-07-08 13:53:20 +00:00
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xfs-$(CONFIG_EXPORTFS_BLOCK_OPS) += xfs_pnfs.o
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2017-10-18 04:37:34 +00:00
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# online scrub/repair
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ifeq ($(CONFIG_XFS_ONLINE_SCRUB),y)
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# Tracepoints like to blow up, so build that before everything else
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xfs-y += $(addprefix scrub/, \
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trace.o \
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scrub.o \
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)
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endif
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