Hi all,
This set is a subset of a larger series parent pointers. Delayed attributes allow
attribute operations (set and remove) to be logged and committed in the same
way that other delayed operations do. This allows more complex operations (like
parent pointers) to be broken up into multiple smaller transactions. To do
this, the existing attr operations must be modified to operate as a delayed
operation. This means that they cannot roll, commit, or finish transactions.
Instead, they return -EAGAIN to allow the calling function to handle the
transaction. In this series, we focus on only the delayed attribute portion.
We will introduce parent pointers in a later set.
The set as a whole is a bit much to digest at once, so I usually send out the
smaller sub series to reduce reviewer burn out. But the entire extended series
is visible through the included github links.
Updates since v26:
xfs: don't commit the first deferred transaction without intents
Simplified roll on dirty logic
xfs: Set up infrastructure for log attribute replay
Fixed year and author in copyright commentary
Indentation fix in xfs_attri_item_format
Added error report in xlog_recover_attri_commit_pass2
Fixed comments for attr item intents
xfs: Implement attr logging and replay
Investigated removing NULL check in xfs_attr_create_intent
Skipped since attrip can be null in the case of a large name/val buffer.
Trailing buffers use kmem_alloc not caches
xfs: Add helper function xfs_init_attr_trans
NEW
xfs: add leaf split error tag
xfs: add leaf to node error tag
Added from Catherines xfstest set
This series can be viewed on github here:
https://github.com/allisonhenderson/xfs_work/tree/delayed_attrs_v27
As well as the extended delayed attribute and parent pointer series:
https://github.com/allisonhenderson/xfs_work/tree/delayed_attrs_v27_extended
Allison Henderson (15):
xfs: Fix double unlock in defer capture code
xfs: don't commit the first deferred transaction without intents
xfs: Return from xfs_attr_set_iter if there are no more rmtblks to
process
xfs: Set up infrastructure for log attribute replay
xfs: Implement attr logging and replay
xfs: Skip flip flags for delayed attrs
xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred
xfs: Remove unused xfs_attr_*_args
xfs: Add log attribute error tag
xfs: Add larp debug option
xfs: Merge xfs_delattr_context into xfs_attr_item
xfs: Add helper function xfs_attr_leaf_addname
xfs: Add helper function xfs_init_attr_trans
xfs: add leaf split error tag
xfs: add leaf to node error tag
fs/xfs/Makefile | 1 +
fs/xfs/libxfs/xfs_attr.c | 523 +++++++++++----------
fs/xfs/libxfs/xfs_attr.h | 70 ++-
fs/xfs/libxfs/xfs_attr_leaf.c | 9 +-
fs/xfs/libxfs/xfs_attr_remote.c | 37 +-
fs/xfs/libxfs/xfs_attr_remote.h | 6 +-
fs/xfs/libxfs/xfs_da_btree.c | 4 +
fs/xfs/libxfs/xfs_defer.c | 35 +-
fs/xfs/libxfs/xfs_defer.h | 3 +
fs/xfs/libxfs/xfs_errortag.h | 8 +-
fs/xfs/libxfs/xfs_format.h | 9 +-
fs/xfs/libxfs/xfs_log_format.h | 44 +-
fs/xfs/libxfs/xfs_log_recover.h | 2 +
fs/xfs/scrub/common.c | 2 +
fs/xfs/xfs_attr_item.c | 795 ++++++++++++++++++++++++++++++++
fs/xfs/xfs_attr_item.h | 46 ++
fs/xfs/xfs_attr_list.c | 1 +
fs/xfs/xfs_error.c | 9 +
fs/xfs/xfs_globals.c | 1 +
fs/xfs/xfs_ioctl32.c | 2 +
fs/xfs/xfs_iops.c | 2 +
fs/xfs/xfs_log.c | 45 ++
fs/xfs/xfs_log.h | 12 +
fs/xfs/xfs_log_recover.c | 2 +
fs/xfs/xfs_ondisk.h | 2 +
fs/xfs/xfs_sysctl.h | 1 +
fs/xfs/xfs_sysfs.c | 24 +
fs/xfs/xfs_trace.h | 1 +
28 files changed, 1417 insertions(+), 279 deletions(-)
create mode 100644 fs/xfs/xfs_attr_item.c
create mode 100644 fs/xfs/xfs_attr_item.h
--
2.25.1
