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for-4.17-tag

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Merge tag 'for-4.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "There are a several user visible changes, the rest is mostly invisible
  and continues to clean up the whole code base.

  User visible changes:
   - new mount option nossd_spread (pair for ssd_spread)

   - mount option subvolid will detect junk after the number and fail
     the mount

   - add message after cancelled device replace

   - direct module dependency on libcrc32, removed own crc wrappers

   - removed user space transaction ioctls

   - use lighter locking when reading /proc/self/mounts, RCU instead of
     mutex to avoid unnecessary contention

  Enhancements:
   - skip writeback of last page when truncating file to same size

   - send: do not issue unnecessary truncate operations

   - mount option token specifiers: use %u for unsigned values, more
     validation

   - selftests: more tree block validations

  qgroups:
   - preparatory work for splitting reservation types for data and
     metadata, this should allow for more accurate tracking and fix some
     issues with underflows or do further enhancements

   - split metadata reservations for started and joined transaction so
     they do not get mixed up and are accounted correctly at commit time

   - with the above, it's possible to revert patch that potentially
     deadlocks when trying to make more space by explicitly committing
     when the quota limit is hit

   - fix root item corruption when multiple same source snapshots are
     created with quota enabled

  RAID56:
   - make sure target is identical to source when raid56 rebuild fails
     after dev-replace

   - faster rebuild during scrub, batch by stripes and not
     block-by-block

   - make more use of cached data when rebuilding from a missing device

  Fixes:
   - null pointer deref when device replace target is missing

   - fix fsync after hole punching when using no-holes feature

   - fix lockdep splat when allocating percpu data with wrong GFP flags

  Cleanups, refactoring, core changes:
   - drop redunant parameters from various functions

   - kill and opencode trivial helpers

   - __cold/__exit function annotations

   - dead code removal

   - continued audit and documentation of memory barriers

   - error handling: handle removal from uuid tree

   - error handling: remove handling of impossible condtitons

   - more debugging or error messages

   - updated tracepoints

   - one VLA use removal (and one still left)"

* tag 'for-4.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (164 commits)
  btrfs: lift errors from add_extent_changeset to the callers
  Btrfs: print error messages when failing to read trees
  btrfs: user proper type for btrfs_mask_flags flags
  btrfs: split dev-replace locking helpers for read and write
  btrfs: remove stale comments about fs_mutex
  btrfs: use RCU in btrfs_show_devname for device list traversal
  btrfs: update barrier in should_cow_block
  btrfs: use lockdep_assert_held for mutexes
  btrfs: use lockdep_assert_held for spinlocks
  btrfs: Validate child tree block's level and first key
  btrfs: tests/qgroup: Fix wrong tree backref level
  Btrfs: fix copy_items() return value when logging an inode
  Btrfs: fix fsync after hole punching when using no-holes feature
  btrfs: use helper to set ulist aux from a qgroup
  Revert "btrfs: qgroups: Retry after commit on getting EDQUOT"
  btrfs: qgroup: Update trace events for metadata reservation
  btrfs: qgroup: Use root::qgroup_meta_rsv_* to record qgroup meta reserved space
  btrfs: delayed-inode: Use new qgroup meta rsv for delayed inode and item
  btrfs: qgroup: Use separate meta reservation type for delalloc
  btrfs: qgroup: Introduce function to convert META_PREALLOC into META_PERTRANS
  ...
This commit is contained in:
Linus Torvalds 2018-04-04 13:03:38 -07:00
commit 94514bbe9e
68 changed files with 2075 additions and 1698 deletions
Download patch file Download diff file Expand all files Collapse all files

108
include/trace/events/btrfs.h
View file

@ -71,6 +71,12 @@ TRACE_DEFINE_ENUM(COMMIT_TRANS);
{ BTRFS_FILE_EXTENT_REG, "REG" }, \
{ BTRFS_FILE_EXTENT_PREALLOC, "PREALLOC"})
#define show_qgroup_rsv_type(type) \
__print_symbolic(type, \
{ BTRFS_QGROUP_RSV_DATA, "DATA" }, \
{ BTRFS_QGROUP_RSV_META_PERTRANS, "META_PERTRANS" }, \
{ BTRFS_QGROUP_RSV_META_PREALLOC, "META_PREALLOC" })
#define BTRFS_GROUP_FLAGS \
{ BTRFS_BLOCK_GROUP_DATA, "DATA"}, \
{ BTRFS_BLOCK_GROUP_SYSTEM, "SYSTEM"}, \
@ -248,6 +254,41 @@ TRACE_EVENT_CONDITION(btrfs_get_extent,
__entry->refs, __entry->compress_type)
);
TRACE_EVENT(btrfs_handle_em_exist,
TP_PROTO(const struct extent_map *existing, const struct extent_map *map, u64 start, u64 len),
TP_ARGS(existing, map, start, len),
TP_STRUCT__entry(
__field( u64, e_start )
__field( u64, e_len )
__field( u64, map_start )
__field( u64, map_len )
__field( u64, start )
__field( u64, len )
),
TP_fast_assign(
__entry->e_start = existing->start;
__entry->e_len = existing->len;
__entry->map_start = map->start;
__entry->map_len = map->len;
__entry->start = start;
__entry->len = len;
),
TP_printk("start=%llu len=%llu "
"existing(start=%llu len=%llu) "
"em(start=%llu len=%llu)",
(unsigned long long)__entry->start,
(unsigned long long)__entry->len,
(unsigned long long)__entry->e_start,
(unsigned long long)__entry->e_len,
(unsigned long long)__entry->map_start,
(unsigned long long)__entry->map_len)
);
/* file extent item */
DECLARE_EVENT_CLASS(btrfs__file_extent_item_regular,
@ -1598,28 +1639,52 @@ TRACE_EVENT(qgroup_update_counters,
TRACE_EVENT(qgroup_update_reserve,
TP_PROTO(struct btrfs_fs_info *fs_info, struct btrfs_qgroup *qgroup,
s64 diff),
s64 diff, int type),
TP_ARGS(fs_info, qgroup, diff),
TP_ARGS(fs_info, qgroup, diff, type),
TP_STRUCT__entry_btrfs(
__field( u64, qgid )
__field( u64, cur_reserved )
__field( s64, diff )
__field( int, type )
),
TP_fast_assign_btrfs(fs_info,
__entry->qgid = qgroup->qgroupid;
__entry->cur_reserved = qgroup->reserved;
__entry->cur_reserved = qgroup->rsv.values[type];
__entry->diff = diff;
),
TP_printk_btrfs("qgid=%llu cur_reserved=%llu diff=%lld",
__entry->qgid, __entry->cur_reserved, __entry->diff)
TP_printk_btrfs("qgid=%llu type=%s cur_reserved=%llu diff=%lld",
__entry->qgid, show_qgroup_rsv_type(__entry->type),
__entry->cur_reserved, __entry->diff)
);
TRACE_EVENT(qgroup_meta_reserve,
TP_PROTO(struct btrfs_root *root, s64 diff, int type),
TP_ARGS(root, diff, type),
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
__field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
__entry->refroot = root->objectid;
__entry->diff = diff;
),
TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
show_root_type(__entry->refroot),
show_qgroup_rsv_type(__entry->type), __entry->diff)
);
TRACE_EVENT(qgroup_meta_convert,
TP_PROTO(struct btrfs_root *root, s64 diff),
TP_ARGS(root, diff),
@ -1627,6 +1692,7 @@ TRACE_EVENT(qgroup_meta_reserve,
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
__field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
@ -1634,8 +1700,36 @@ TRACE_EVENT(qgroup_meta_reserve,
__entry->diff = diff;
),
TP_printk_btrfs("refroot=%llu(%s) diff=%lld",
show_root_type(__entry->refroot), __entry->diff)
TP_printk_btrfs("refroot=%llu(%s) type=%s->%s diff=%lld",
show_root_type(__entry->refroot),
show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PREALLOC),
show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PERTRANS),
__entry->diff)
);
TRACE_EVENT(qgroup_meta_free_all_pertrans,
TP_PROTO(struct btrfs_root *root),
TP_ARGS(root),
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
__field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
__entry->refroot = root->objectid;
spin_lock(&root->qgroup_meta_rsv_lock);
__entry->diff = -(s64)root->qgroup_meta_rsv_pertrans;
spin_unlock(&root->qgroup_meta_rsv_lock);
__entry->type = BTRFS_QGROUP_RSV_META_PERTRANS;
),
TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
show_root_type(__entry->refroot),
show_qgroup_rsv_type(__entry->type), __entry->diff)
);
DECLARE_EVENT_CLASS(btrfs__prelim_ref,