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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 v21: Added 3 new patches from Darrick's development tree: xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process xfs: refactor xfs_iget calls from log intent recovery xfs: clear log incompat feature bits when the log is idle xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process Modified check to return 0, instead of error xfs: Set up infrastructure for deferred attribute operations Changed xattri_op_flags from uint32_t to unsigned int Changed XFS_ATTR_OP_FLAGS_TYPE_MASK from 0x0FF to 0xFF Removed comment from xfs_attri_item_size Added error report in xfs_attri_copy_format Variable nit cleanups in xfs_attri_item_committed Added type masking to op_flag operations in xfs_attri_validate Added XFS_ERROR_REPORT and -EFSCORRUPTED return in xlog_recover_attrd_commit_pass2( Copyright time stamp update in xfs_attr_item.h Rebase adjustments xfs: Implement attr logging and replay Added function xfs_sb_version_hasdelattr Updated commit message per review comments Added type masking to op_flag operations in xfs_trans_attr_finish_update Moved incompat flag code to xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Added call to helper function xlog_recover_iget in xfs_attri_item_recover Reworked attr in xfs_attri_item_recover to be allocated/freed Added error check to xfs_defer_ops_capture_and_commit Made xfs_trans_get_attrd and xfs_trans_attr_finish_update STATIC xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Added helper function xfs_attr_use_log_assist Added calls to helper function in xfs_attr_set Fixed kernel test robot nits xfs: Add delattr mount option Added CONFIG_XFS_DEBUG check to mount option Added Experimental warning to mount option xfs: Add helper function xfs_attr_leaf_addname Simplified error handling in xfs_attr_leaf_addname Extended series updates: xfs: Add parent pointers to rename Added incompat flag logic to xfs_rename xfs: remove parent pointers in unlink Added incompat flag logic to xfs_unlink xfs: add parent attributes to link Added incompat flag logic to xfs_link xfs: parent pointer attribute creation Added incompat flag logic to xfs_create This series can be viewed on github here: https://github.com/allisonhenderson/xfs_work/tree/delayed_attrs_v22 As well as the extended delayed attribute and parent pointer series: https://github.com/allisonhenderson/xfs_work/tree/delayed_attrs_v22_extended And the test cases: https://github.com/allisonhenderson/xfs_work/tree/pptr_xfstestsv3 In order to run the test cases, you will need have the corresponding xfsprogs changes as well. Which can be found here: https://github.com/allisonhenderson/xfs_work/tree/delayed_attrs_xfsprogs_v22 https://github.com/allisonhenderson/xfs_work/tree/delayed_attrs_xfsprogs_v22_extended To run the xfs attributes tests run: check -g attr To run as delayed attributes run: export MOUNT_OPTIONS="-o delattr" check -g attr To run parent pointer tests: check -g parent I've also made the corresponding updates to the user space side as well, and ported anything they need to seat correctly. Questions, comment and feedback appreciated! Allison Allison Collins (1): xfs: Add xfs_attr_set_deferred and xfs_attr_remove_deferred Allison Henderson (13): xfs: refactor xfs_iget calls from log intent recovery xfs: Return from xfs_attr_set_iter if there are no more rmtblks to process xfs: Add state machine tracepoints xfs: Rename __xfs_attr_rmtval_remove xfs: Handle krealloc errors in xlog_recover_add_to_cont_trans xfs: Set up infrastructure for deferred attribute operations xfs: Implement attr logging and replay RFC xfs: Skip flip flags for delayed attrs xfs: Remove unused xfs_attr_*_args xfs: Add delayed attributes error tag xfs: Add delattr mount option xfs: Merge xfs_delattr_context into xfs_attr_item xfs: Add helper function xfs_attr_leaf_addname Darrick J. Wong (2): xfs: allow setting and clearing of log incompat feature flags xfs: clear log incompat feature bits when the log is idle fs/xfs/Makefile | 1 + fs/xfs/libxfs/xfs_attr.c | 435 +++++++++++---------- fs/xfs/libxfs/xfs_attr.h | 57 ++- fs/xfs/libxfs/xfs_attr_leaf.c | 3 +- fs/xfs/libxfs/xfs_attr_remote.c | 38 +- fs/xfs/libxfs/xfs_attr_remote.h | 6 +- fs/xfs/libxfs/xfs_defer.c | 1 + fs/xfs/libxfs/xfs_defer.h | 3 + fs/xfs/libxfs/xfs_errortag.h | 4 +- fs/xfs/libxfs/xfs_format.h | 25 +- fs/xfs/libxfs/xfs_log_format.h | 44 ++- fs/xfs/libxfs/xfs_log_recover.h | 4 + fs/xfs/scrub/common.c | 2 + fs/xfs/xfs_attr_item.c | 835 ++++++++++++++++++++++++++++++++++++++++ fs/xfs/xfs_attr_item.h | 52 +++ fs/xfs/xfs_attr_list.c | 1 + fs/xfs/xfs_bmap_item.c | 11 +- fs/xfs/xfs_error.c | 3 + fs/xfs/xfs_ioctl32.c | 2 + fs/xfs/xfs_iops.c | 2 + fs/xfs/xfs_log.c | 108 ++++++ fs/xfs/xfs_log.h | 4 + fs/xfs/xfs_log_priv.h | 3 + fs/xfs/xfs_log_recover.c | 54 ++- fs/xfs/xfs_mount.c | 110 ++++++ fs/xfs/xfs_mount.h | 3 + fs/xfs/xfs_ondisk.h | 2 + fs/xfs/xfs_super.c | 11 +- fs/xfs/xfs_trace.h | 25 ++ fs/xfs/xfs_xattr.c | 2 + 30 files changed, 1593 insertions(+), 258 deletions(-) create mode 100644 fs/xfs/xfs_attr_item.c create mode 100644 fs/xfs/xfs_attr_item.h -- 2.7.4