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Merge tag 'for-f2fs-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

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Pull f2fs updates from Jaegeuk Kim:
 "This patch-set includes lots of bug fixes based on clean-ups and
  refactored codes.  And inline_dir was introduced and two minor mount
  options were added.  Details from signed tag:

  This series includes the following enhancement with refactored flows.
   - fix inmemory page operations
   - fix wrong inline_data & inline_dir logics
   - enhance memory and IO control under memory pressure
   - consider preemption on radix_tree operation
   - fix memory leaks and deadlocks

  But also, there are a couple of new features:
   - support inline_dir to store dentries inside inode page
   - add -o fastboot to reduce booting time
   - implement -o dirsync

  And a lot of clean-ups and minor bug fixes as well"

* tag 'for-f2fs-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (88 commits)
  f2fs: avoid to ra unneeded blocks in recover flow
  f2fs: introduce is_valid_blkaddr to cleanup codes in ra_meta_pages
  f2fs: fix to enable readahead for SSA/CP blocks
  f2fs: use atomic for counting inode with inline_{dir,inode} flag
  f2fs: cleanup path to need cp at fsync
  f2fs: check if inode state is dirty at fsync
  f2fs: count the number of inmemory pages
  f2fs: release inmemory pages when the file was closed
  f2fs: set page private for inmemory pages for truncation
  f2fs: count inline_xx in do_read_inode
  f2fs: do retry operations with cond_resched
  f2fs: call radix_tree_preload before radix_tree_insert
  f2fs: use rw_semaphore for nat entry lock
  f2fs: fix missing kmem_cache_free
  f2fs: more fast lookup for gc_inode list
  f2fs: cleanup redundant macro
  f2fs: fix to return correct error number in f2fs_write_begin
  f2fs: cleanup if-statement of phase in gc_data_segment
  f2fs: fix to recover converted inline_data
  f2fs: make clean the page before writing
  ...
This commit is contained in:
Linus Torvalds 2014-12-10 15:41:28 -08:00
commit 4b0a268eec
23 changed files with 1592 additions and 720 deletions
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7
Documentation/filesystems/f2fs.txt
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@ -122,6 +122,10 @@ disable_ext_identify Disable the extension list configured by mkfs, so f2fs
inline_xattr Enable the inline xattrs feature.
inline_data Enable the inline data feature: New created small(<~3.4k)
files can be written into inode block.
inline_dentry Enable the inline dir feature: data in new created
directory entries can be written into inode block. The
space of inode block which is used to store inline
dentries is limited to ~3.4k.
flush_merge Merge concurrent cache_flush commands as much as possible
to eliminate redundant command issues. If the underlying
device handles the cache_flush command relatively slowly,
@ -131,6 +135,9 @@ nobarrier This option can be used if underlying storage guarantees
If this option is set, no cache_flush commands are issued
but f2fs still guarantees the write ordering of all the
data writes.
fastboot This option is used when a system wants to reduce mount
time as much as possible, even though normal performance
can be sacrificed.
================================================================================
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