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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/fs/btrfs
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Zygo Blaxell b115e3bc81 btrfs: increase output size for LOGICAL_INO_V2 ioctl 
Build-server workloads have hundreds of references per file after dedup.
Multiply by a few snapshots and we quickly exhaust the limit of 2730
references per extent that can fit into a 64K buffer.

Raise the limit to 16M to be consistent with other btrfs ioctls
(e.g. TREE_SEARCH_V2, FILE_EXTENT_SAME).

To minimize surprising userspace behavior, apply this change only to
the LOGICAL_INO_V2 ioctl.

Signed-off-by: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Reviewed-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Tested-by: Hans van Kranenburg <hans.van.kranenburg@mendix.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 		2017-11-01 20:45:35 +01:00
..
tests btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
Kconfig Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
Makefile Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
acl.c btrfs: preserve i_mode if __btrfs_set_acl() fails 2017-08-21 17:47:42 +02:00
async-thread.c Btrfs: fix confusing worker helper info in stacktrace 2017-10-30 12:27:57 +01:00
async-thread.h btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
backref.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
backref.h btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
btrfs_inode.h btrfs: separate defrag and property compression 2017-08-16 16:12:05 +02:00
check-integrity.c btrfs: Use bd_dev to generate index when dev_state_hashtable add items. 2017-10-30 12:28:01 +01:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c btrfs: allow setting zlib compression level via :9 2017-11-01 20:45:34 +01:00
compression.h btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
ctree.c btrfs: pass root to various extent ref mod functions 2017-10-30 12:28:00 +01:00
ctree.h btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: increase ctx->pos for delayed dir index 2017-08-18 16:36:20 +02:00
delayed-inode.h btrfs: convert btrfs_delayed_item.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
delayed-ref.c btrfs: remove type argument from comp_tree_refs 2017-10-30 12:28:00 +01:00
delayed-ref.h btrfs: remove delayed_ref_node from ref_head 2017-10-30 12:28:00 +01:00
dev-replace.c Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-09-14 18:54:01 -07:00
dev-replace.h btrfs: constify device path passed to relevant helpers 2017-02-28 14:26:07 +01:00
dir-item.c btrfs: fix validation of XATTR_ITEM dir items 2017-06-29 20:06:11 +02:00
disk-io.c btrfs: Replace opencoded sizes with their symbolic constants 2017-10-30 12:28:01 +01:00
disk-io.h btrfs: use named constant for bdev blocksize 2017-08-16 16:12:04 +02:00
export.c btrfs: Check name_len before reading btrfs_get_name 2017-06-21 19:16:04 +02:00
export.h
…
extent-tree.c btrfs: add assertions for releasing trans handle reservations 2017-10-30 12:28:01 +01:00
extent_io.c btrfs: get rid of sector_t and use u64 offset in submit_extent_page 2017-10-30 12:28:00 +01:00
extent_io.h Btrfs: remove bio_flags which indicates a meta block of log-tree 2017-10-30 12:27:56 +01:00
extent_map.c btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
extent_map.h btrfs: convert extent_map.refs from atomic_t to refcount_t 2017-04-18 14:07:23 +02:00
file-item.c Merge branch 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-05 16:41:23 -07:00
file.c btrfs: cleanup extent locking sequence 2017-10-30 12:28:01 +01:00
free-space-cache.c btrfs: drop newlines from strings when using btrfs_* helpers 2017-08-16 16:12:02 +02:00
free-space-cache.h btrfs: free-space-cache, clean up unnecessary root arguments 2017-02-17 12:03:56 +01:00
free-space-tree.c btrfs: Clean up unused variables in free-space-tree.c 2017-10-30 12:27:59 +01:00
free-space-tree.h btrfs: expose internal free space tree routine only if sanity tests are enabled 2017-08-18 16:36:29 +02:00
hash.c crypto: Work around deallocated stack frame reference gcc bug on sparc. 2017-06-08 17:36:03 +08:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
inode-map.c btrfs: qgroup: Introduce extent changeset for qgroup reserve functions 2017-06-29 20:17:02 +02:00
inode-map.h Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots 2016-01-15 19:25:02 +01:00
inode.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
ioctl.c btrfs: increase output size for LOGICAL_INO_V2 ioctl 2017-11-01 20:45:35 +01:00
locking.c btrfs: cleanup, remove stray return statements 2016-01-07 14:30:52 +01:00
locking.h
…
lzo.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
math.h
…
ordered-data.c btrfs: fix integer overflow in calc_reclaim_items_nr 2017-06-29 20:17:02 +02:00
ordered-data.h btrfs: fix integer overflow in calc_reclaim_items_nr 2017-06-29 20:17:02 +02:00
orphan.c
…
print-tree.c Btrfs: add one more sanity check for shared ref type 2017-08-21 17:47:43 +02:00
print-tree.h btrfs: get fs_info from eb in btrfs_print_tree, remove argument 2017-08-16 16:12:03 +02:00
props.c Merge branch 'zstd-minimal' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2017-09-14 17:30:49 -07:00
props.h
…
qgroup.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
qgroup.h btrfs: qgroup: Fix qgroup reserved space underflow by only freeing reserved ranges 2017-06-29 20:17:02 +02:00
raid56.c Btrfs: fix memory leak in raid56 2017-10-30 12:27:57 +01:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
…
reada.c btrfs: remove unused member err from reada_extent 2017-06-19 18:25:59 +02:00
ref-verify.c Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
ref-verify.h Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
relocation.c btrfs: pass root to various extent ref mod functions 2017-10-30 12:28:00 +01:00
root-tree.c btrfs: Clean up dead code in root-tree 2017-10-30 12:27:56 +01:00
scrub.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
send.c btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents 2017-11-01 20:45:34 +01:00
send.h btrfs: fix send ioctl on 32bit with 64bit kernel 2017-10-30 12:27:59 +01:00
struct-funcs.c btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
super.c btrfs: allow setting zlib compression level via :9 2017-11-01 20:45:34 +01:00
sysfs.c btrfs: prefix sysfs attribute struct names 2017-10-30 12:27:58 +01:00
sysfs.h btrfs: prefix sysfs attribute struct names 2017-10-30 12:27:58 +01:00
transaction.c Btrfs: only check delayed ref usage in should_end_transaction 2017-10-30 12:28:00 +01:00
transaction.h btrfs: remove unused qgroup members from btrfs_trans_handle 2017-04-18 14:07:25 +02:00
tree-checker.c btrfs: tree-checker: use %zu format string for size_t 2017-10-30 12:27:59 +01:00
tree-checker.h btrfs: Move leaf and node validation checker to tree-checker.c 2017-10-30 12:27:58 +01:00
tree-defrag.c Btrfs: fix locking bugs when defragging leaves 2015-12-18 02:51:32 +00:00
tree-log.c btrfs: pass root to various extent ref mod functions 2017-10-30 12:28:00 +01:00
tree-log.h btrfs: Make btrfs_del_inode_ref take btrfs_inode 2017-02-14 15:50:54 +01:00
ulist.c btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
ulist.h btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
uuid-tree.c btrfs: return the actual error value from from btrfs_uuid_tree_iterate 2016-12-19 18:08:15 +01:00
volumes.c btrfs: remove BUG_ON in btrfs_rm_dev_replace_free_srcdev() 2017-11-01 20:45:34 +01:00
volumes.h btrfs: declare btrfs_report_missing_device() static 2017-10-30 12:27:59 +01:00
xattr.c btrfs: Check name_len with boundary in verify dir_item 2017-06-21 19:16:04 +02:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
zstd.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00