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f7ca352272
linux_dsm_epyc7002/fs/xfs/libxfs
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Darrick J. Wong f7ca352272 xfs: create a separate cow extent size hint for the allocator 
Create a per-inode extent size allocator hint for copy-on-write.  This
hint is separate from the existing extent size hint so that CoW can
take advantage of the fragmentation-reducing properties of extent size
hints without disabling delalloc for regular writes.

The extent size hint that's fed to the allocator during a copy on
write operation is the greater of the cowextsize and regular extsize
hint.

During reflink, if we're sharing the entire source file to the entire
destination file and the destination file doesn't already have a
cowextsize hint, propagate the source file's cowextsize hint to the
destination file.

Furthermore, zero the bulkstat buffer prior to setting the fields
so that we don't copy kernel memory contents into userspace.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2016-10-05 16:26:26 -07:00
..
xfs_ag_resv.c xfs: set up per-AG free space reservations 2016-09-19 10:30:52 +10:00
xfs_ag_resv.h xfs: set up per-AG free space reservations 2016-09-19 10:30:52 +10:00
xfs_alloc_btree.c xfs: remove the get*keys and update_keys btree ops pointers 2016-08-03 12:22:12 +10:00
xfs_alloc_btree.h
xfs_alloc.c xfs: reserve AG space for the refcount btree root 2016-10-03 09:11:24 -07:00
xfs_alloc.h Merge branch 'xfs-4.9-log-recovery-fixes' into for-next 2016-10-03 09:56:28 +11:00
xfs_attr_leaf.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_attr_leaf.h xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_attr_remote.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_attr_remote.h
xfs_attr_sf.h xfs: move struct xfs_attr_shortform to xfs_da_format.h 2016-02-08 15:00:01 +11:00
xfs_attr.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_bit.c libxfs: Optimize the loop for xfs_bitmap_empty 2016-01-04 16:10:19 +11:00
xfs_bit.h
xfs_bmap_btree.c xfs: introduce the CoW fork 2016-10-04 18:06:40 -07:00
xfs_bmap_btree.h
xfs_bmap.c xfs: create a separate cow extent size hint for the allocator 2016-10-05 16:26:26 -07:00
xfs_bmap.h xfs: support removing extents from CoW fork 2016-10-05 13:55:40 -07:00
xfs_btree.c xfs: define the on-disk refcount btree format 2016-10-03 09:11:18 -07:00
xfs_btree.h xfs: define the on-disk refcount btree format 2016-10-03 09:11:18 -07:00
xfs_cksum.h
xfs_da_btree.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_da_btree.h xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_da_format.c xfs: kill xfs_dir2_inou_t 2016-07-20 11:48:31 +10:00
xfs_da_format.h xfs: fix attr shortform structure alignment on cris 2016-08-03 10:59:42 +10:00
xfs_defer.c xfs: defer should allow ->finish_item to request a new transaction 2016-09-19 10:26:25 +10:00
xfs_defer.h xfs: implement deferred bmbt map/unmap operations 2016-10-04 11:05:44 -07:00
xfs_dir2_block.c xfs: print name of verifier if it fails 2016-01-04 16:10:19 +11:00
xfs_dir2_data.c xfs: print name of verifier if it fails 2016-01-04 16:10:19 +11:00
xfs_dir2_leaf.c xfs: print name of verifier if it fails 2016-01-04 16:10:19 +11:00
xfs_dir2_node.c xfs: always set rvalp in xfs_dir2_node_trim_free 2016-03-15 11:44:18 +11:00
xfs_dir2_priv.h xfs: move type conversion functions to xfs_dir.h 2014-12-04 09:43:17 +11:00
xfs_dir2_sf.c xfs: kill xfs_dir2_inou_t 2016-07-20 11:48:31 +10:00
xfs_dir2.c xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_dir2.h xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_dquot_buf.c xfs: handle dquot buffer readahead in log recovery correctly 2016-01-12 07:04:01 +11:00
xfs_format.h xfs: create a separate cow extent size hint for the allocator 2016-10-05 16:26:26 -07:00
xfs_fs.h xfs: create a separate cow extent size hint for the allocator 2016-10-05 16:26:26 -07:00
xfs_ialloc_btree.c xfs: set up per-AG free space reservations 2016-09-19 10:30:52 +10:00
xfs_ialloc_btree.h xfs: allocate sparse inode chunks on full chunk allocation failure 2015-05-29 09:18:32 +10:00
xfs_ialloc.c xfs: add owner field to extent allocation and freeing 2016-08-03 11:33:42 +10:00
xfs_ialloc.h xfs: rename flist/free_list to dfops 2016-08-03 11:19:29 +10:00
xfs_inode_buf.c xfs: create a separate cow extent size hint for the allocator 2016-10-05 16:26:26 -07:00
xfs_inode_buf.h xfs: create a separate cow extent size hint for the allocator 2016-10-05 16:26:26 -07:00
xfs_inode_fork.c xfs: introduce the CoW fork 2016-10-04 18:06:40 -07:00
xfs_inode_fork.h xfs: introduce the CoW fork 2016-10-04 18:06:40 -07:00
xfs_log_format.h xfs: create a separate cow extent size hint for the allocator 2016-10-05 16:26:26 -07:00
xfs_log_recover.h xfs: support a crc verification only log record pass 2016-01-04 15:55:10 +11:00
xfs_log_rlimit.c xfs: move most of xfs_sb.h to xfs_format.h 2014-11-28 14:27:09 +11:00
xfs_quota_defs.h xfs: wire up Q_XGETNEXTQUOTA / get_nextdqblk 2016-02-08 11:27:38 +11:00
xfs_refcount_btree.c xfs: add refcount btree operations 2016-10-03 09:11:19 -07:00
xfs_refcount_btree.h xfs: define the on-disk refcount btree format 2016-10-03 09:11:18 -07:00
xfs_refcount.c xfs: store in-progress CoW allocations in the refcount btree 2016-10-05 16:26:05 -07:00
xfs_refcount.h xfs: store in-progress CoW allocations in the refcount btree 2016-10-05 16:26:05 -07:00
xfs_rmap_btree.c xfs: introduce refcount btree definitions 2016-10-03 09:11:16 -07:00
xfs_rmap_btree.h xfs: support overlapping intervals in the rmap btree 2016-08-03 11:40:56 +10:00
xfs_rmap.c xfs: introduce the CoW fork 2016-10-04 18:06:40 -07:00
xfs_rmap.h xfs: propagate bmap updates to rmapbt 2016-08-03 12:16:05 +10:00
xfs_rtbitmap.c xfs: make several functions static 2016-06-01 17:38:15 +10:00
xfs_sb.c xfs: define the on-disk refcount btree format 2016-10-03 09:11:18 -07:00
xfs_sb.h xfs: remove unused function definitions 2016-02-08 14:58:07 +11:00
xfs_shared.h xfs: define the on-disk refcount btree format 2016-10-03 09:11:18 -07:00
xfs_symlink_remote.c xfs: print name of verifier if it fails 2016-01-04 16:10:19 +11:00
xfs_trans_resv.c xfs: account for the refcount btree in the alloc/free log reservation 2016-10-03 09:11:19 -07:00
xfs_trans_resv.h xfs: define the on-disk refcount btree format 2016-10-03 09:11:18 -07:00
xfs_trans_space.h xfs: clean up XFS_MIN_FREELIST macros 2015-06-22 10:13:30 +10:00
xfs_types.h xfs: introduce the CoW fork 2016-10-04 18:06:40 -07:00