This patch-set includes the following major enhancement patches.
o add a sysfs to control reclaiming free segments
o enhance the f2fs global lock procedures
o enhance the victim selection flow
o wait for selected node blocks during fsync
o add some tracepoints
o add a config to remove abundant BUG_ONs
The other bug fixes are as follows.
o fix deadlock on acl operations
o fix some bugs with respect to orphan inodes
And, there are a bunch of cleanups.
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Merge tag 'for-f2fs-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This patch-set includes the following major enhancement patches.
- add a sysfs to control reclaiming free segments
- enhance the f2fs global lock procedures
- enhance the victim selection flow
- wait for selected node blocks during fsync
- add some tracepoints
- add a config to remove abundant BUG_ONs
The other bug fixes are as follows.
- fix deadlock on acl operations
- fix some bugs with respect to orphan inodes
And, there are a bunch of cleanups"
* tag 'for-f2fs-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (42 commits)
f2fs: issue more large discard command
f2fs: fix memory leak after kobject init failed in fill_super
f2fs: cleanup waiting routine for writeback pages in cp
f2fs: avoid to use a NULL point in destroy_segment_manager
f2fs: remove unnecessary TestClearPageError when wait pages writeback
f2fs: update f2fs document
f2fs: avoid to wait all the node blocks during fsync
f2fs: check all ones or zeros bitmap with bitops for better mount performance
f2fs: change the method of calculating the number summary blocks
f2fs: fix calculating incorrect free size when update xattr in __f2fs_setxattr
f2fs: add an option to avoid unnecessary BUG_ONs
f2fs: introduce CONFIG_F2FS_CHECK_FS for BUG_ON control
f2fs: fix a deadlock during init_acl procedure
f2fs: clean up acl flow for better readability
f2fs: remove unnecessary segment bitmap updates
f2fs: add tracepoint for vm_page_mkwrite
f2fs: add tracepoint for set_page_dirty
f2fs: remove redundant set_page_dirty from write_compacted_summaries
f2fs: add reclaiming control by sysfs
f2fs: introduce f2fs_balance_fs_bg for some background jobs
...