kernel.git/fs/ocfs2/dir.c, branch linux-4.0.y

ocfs2: removes mlog_errno() call twice in ocfs2_find_dir_space_el()

2015-02-10T22:30:29Z

mlog_errno() is called twice when some functions are failed. Signed-off-by: Daeseok Youn Cc: Mark Fasheh Cc: Joel Becker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

ocfs2: remove unreachable code

2015-02-10T22:30:29Z

Signed-off-by: Daeseok Youn Cc: Mark Fasheh Cc: Joel Becker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

ocfs2: reflink: fix slow unlink for refcounted file

2014-12-19T03:08:11Z

When running ocfs2 test suite multiple nodes reflink stress test, for a 4 nodes cluster, every unlink() for refcounted file needs about 700s. The slow unlink is caused by the contention of refcount tree lock since all nodes are unlink files using the same refcount tree. When the unlinking file have many extents(over 1600 in our test), most of the extents has refcounted flag set. In ocfs2_commit_truncate(), it will execute the following call trace for every extents. This means it needs get and released refcount tree lock about 1600 times. And when several nodes are do this at the same time, the performance will be very low. ocfs2_remove_btree_range() -- ocfs2_lock_refcount_tree() ---- ocfs2_refcount_lock() ------ __ocfs2_cluster_lock() ocfs2_refcount_lock() is costly, move it to ocfs2_commit_truncate() to do lock/unlock once can improve a lot performance. Signed-off-by: Junxiao Bi Cc: Wengang Reviewed-by: Mark Fasheh Cc: Joel Becker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

Merge branch 'akpm' (patchbomb from Andrew)

2014-12-11T02:34:42Z

Merge first patchbomb from Andrew Morton: - a few minor cifs fixes - dma-debug upadtes - ocfs2 - slab - about half of MM - procfs - kernel/exit.c - panic.c tweaks - printk upates - lib/ updates - checkpatch updates - fs/binfmt updates - the drivers/rtc tree - nilfs - kmod fixes - more kernel/exit.c - various other misc tweaks and fixes * emailed patches from Andrew Morton : (190 commits) exit: pidns: fix/update the comments in zap_pid_ns_processes() exit: pidns: alloc_pid() leaks pid_namespace if child_reaper is exiting exit: exit_notify: re-use "dead" list to autoreap current exit: reparent: call forget_original_parent() under tasklist_lock exit: reparent: avoid find_new_reaper() if no children exit: reparent: introduce find_alive_thread() exit: reparent: introduce find_child_reaper() exit: reparent: document the ->has_child_subreaper checks exit: reparent: s/while_each_thread/for_each_thread/ in find_new_reaper() exit: reparent: fix the cross-namespace PR_SET_CHILD_SUBREAPER reparenting exit: reparent: fix the dead-parent PR_SET_CHILD_SUBREAPER reparenting exit: proc: don't try to flush /proc/tgid/task/tgid exit: release_task: fix the comment about group leader accounting exit: wait: drop tasklist_lock before psig->c* accounting exit: wait: don't use zombie->real_parent exit: wait: cleanup the ptrace_reparented() checks usermodehelper: kill the kmod_thread_locker logic usermodehelper: don't use CLONE_VFORK for ____call_usermodehelper() fs/hfs/catalog.c: fix comparison bug in hfs_cat_keycmp nilfs2: fix the nilfs_iget() vs. nilfs_new_inode() races ...

ocfs2: do not set filesystem readonly if link down

2014-12-11T01:41:03Z

Do not set the filesystem readonly if the storage link is down. In this case, metadata is not corrupted and only -EIO is returned. And if it is indeed corrupted metadata, it has already called ocfs2_error() in ocfs2_validate_inode_block(). Signed-off-by: Yiwen Jiang Cc: Joel Becker Cc: Mark Fasheh Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

vfs: make first argument of dir_context.actor typed

2014-10-31T21:48:54Z

Signed-off-by: Miklos Szeredi Signed-off-by: Al Viro

ocfs2: call ocfs2_update_inode_fsync_trans when updating any inode

2014-04-03T23:20:56Z

Ensure that ocfs2_update_inode_fsync_trans() is called any time we touch an inode in a given transaction. This is a follow-on to the previous patch to reduce lock contention and deadlocking during an fsync operation. Signed-off-by: Darrick J. Wong Cc: Mark Fasheh Cc: Joel Becker Cc: Wengang Cc: Greg Marsden Cc: Srinivas Eeda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

ocfs2: improve fsync efficiency and fix deadlock between aio_write and sync_file

2014-04-03T23:20:53Z

Currently, ocfs2_sync_file grabs i_mutex and forces the current journal transaction to complete. This isn't terribly efficient, since sync_file really only needs to wait for the last transaction involving that inode to complete, and this doesn't require i_mutex. Therefore, implement the necessary bits to track the newest tid associated with an inode, and teach sync_file to wait for that instead of waiting for everything in the journal to commit. Furthermore, only issue the flush request to the drive if jbd2 hasn't already done so. This also eliminates the deadlock between ocfs2_file_aio_write() and ocfs2_sync_file(). aio_write takes i_mutex then calls ocfs2_aiodio_wait() to wait for unaligned dio writes to finish. However, if that dio completion involves calling fsync, then we can get into trouble when some ocfs2_sync_file tries to take i_mutex. Signed-off-by: Darrick J. Wong Reviewed-by: Mark Fasheh Cc: Joel Becker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

ocfs2: return ENOMEM when sb_getblk() fails

2013-11-13T03:09:00Z

The only reason for sb_getblk() failing is if it can't allocate the buffer_head. So return ENOMEM instead when it fails. [joseph.qi@huawei.com: ocfs2_symlink_get_block() and ocfs2_read_blocks_sync() and ocfs2_read_blocks() need the same change] Signed-off-by: Rui Xiang Reviewed-by: Jie Liu Reviewed-by: Mark Fasheh Cc: Joel Becker Cc: Joseph Qi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

fs/ocfs2: remove unnecessary variable bits_wanted from ocfs2_calc_extend_credits

2013-11-13T03:09:00Z

Code cleanup to remove unnecessary variable passed but never used to ocfs2_calc_extend_credits. Signed-off-by: Goldwyn Rodrigues Cc: Joel Becker Cc: Mark Fasheh Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds