[GIT PULL] f2fs updates for v3.10

From: Jaegeuk Kim
Date: Wed May 08 2013 - 01:13:44 EST

Hi Linus,

Here is the pull request on f2fs updates for v3.10.
This patch-set includes abundant enhancements and bug fixes.
Please consider pulling the following tag.
Thank you very much.

The following changes since commit 47b3bc907328db968bc9b43c41f48f8d1e140750:

Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (2013-03-07 15:57:38 -0800)

are available in the git repository at:


git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git tags/f2fs-for-v3.10

for you to fetch changes up to 6de1a3a6fc40e4fe9f1d5917311d53b82a3a0107:

f2fs: cover free_nid management with spin_lock (2013-05-08 13:22:05 +0900)

----------------------------------------------------------------
f2fs updates for v3.10

This patch-set includes the following major enhancement patches.
o introduce a new gloabl lock scheme
o add tracepoints on several major functions
o fix the overall cleaning process focused on victim selection
o apply the block plugging to merge IOs as much as possible
o enhance management of free nids and its list
o enhance the readahead mode for node pages
o address several cretical deadlock conditions
o reduce lock_page calls

The other minor bug fixes and enhancements are as follows.
o calculation mistakes: overflow
o bio types: READ, READA, and READ_SYNC
o fix the recovery flow, data races, and null pointer errors

----------------------------------------------------------------
Alexandru Gheorghiu (1):
f2fs: use kmemdup

Changman Lee (3):
f2fs: fix overflow when calculating utilization on 32-bit
f2fs: check the level before calling get_nid function
f2fs: update f2fs.txt related with discard at mkfs

Chris Fries (2):
f2fs: continue to mount after failing recovery
f2fs: recover when journal contains deleted files

Haicheng Li (5):
f2fs: fix inconsistent using of NM_WOUT_THRESHOLD
f2fs: remove useless #include <linux/proc_fs.h> as we're now using sysfs as debug entry.
f2fs: bugfix for alloc_nid_failed()
f2fs: code cleanup for scan_nat_page() and build_free_nids()
f2fs: optimize scan_nat_page()

Jaegeuk Kim (35):
f2fs: fix to unlock node page when it was truncated
f2fs: read with READ_SYNC when getting dnode page
f2fs: introduce readahead mode of node pages
f2fs: align f2fs maximum name length to linux based filesystem
f2fs: reduce unncessary locking pages during read
f2fs: should check the node page was truncated first
f2fs: scan next nat page to reuse free nids in there
f2fs: fix return value of releasepage for node and data
f2fs: fix not to allocate max_nid
f2fs: fix to call WRITE_FLUSH at the end of fsync
f2fs: fix the recovery flow to handle errors correctly
f2fs: do not skip writing file meta during fsync
f2fs: remain nat cache entries for further free nid allocation
f2fs: fix to give correct parent inode number for roll forward
f2fs: do not use duplicate names in a macro
f2fs: introduce TOTAL_SECS macro
f2fs: remove redundant lock_page calls
f2fs: allocate new segment aligned with sections
f2fs: change GC bitmaps to apply the section granularity
f2fs: check completion of foreground GC
f2fs: allocate remained free segments in the LFS mode
f2fs: avoid race for summary information
f2fs: fix the bitmap consistency of dirty segments
f2fs: reduce redundant spin_lock operations
f2fs: introduce a new global lock scheme
f2fs: write checkpoint before starting FG_GC
f2fs: avoid frequent background GC
f2fs: give a chance to merge IOs by IO scheduler
f2fs: check nid == 0 in add_free_nid
f2fs: add a tracepoint on f2fs_new_inode
f2fs: enhance alloc_nid and build_free_nids flows
f2fs: check truncation of mapping after lock_page
f2fs: modify the number of issued pages to merge IOs
f2fs: avoid deadlock during evict after f2fs_gc
f2fs: cover free_nid management with spin_lock

Jason Hrycay (1):
f2fs: move f2fs_balance_fs from truncate to punch_hole

Masanari Iida (1):
f2fs: fix typo in comments

Namjae Jeon (17):
f2fs: optimize get node page readahead part
f2fs: optimize and change return path in lookup_free_nid_list
f2fs: avoid extra ++ while returning from get_node_path
f2fs: notify when discard is not supported
f2fs: reorganize f2fs_setxattr
f2fs: fix return values from validate superblock
f2fs: avoid BUG_ON from check_nid_range and update return path in do_read_inode
f2fs: fix typo mistakes
f2fs: make is_multimedia_file code align with its name
f2fs: add tracepoints for sync & inode operations
f2fs: add tracepoints for truncate operation
f2fs: add tracepoint for tracing the page i/o
f2fs: add tracepoints for GC threads
f2fs: add tracepoints to debug the block allocation
f2fs: add tracepoints for write page operations
f2fs: add tracepoints to debug checkpoint request
f2fs: add REQ_META about metadata requests for submit

P J P (1):
f2fs: add NULL pointer check

Wei Yongjun (1):
f2fs: fix error return code in f2fs_fill_super()

Zhihui Zhang (1):
f2fs: fix the logic of IS_DNODE()

Documentation/filesystems/f2fs.txt | 4 +-
fs/f2fs/checkpoint.c | 63 ++--
fs/f2fs/data.c | 195 ++++++-----
fs/f2fs/debug.c | 10 +-
fs/f2fs/dir.c | 110 +++---
fs/f2fs/f2fs.h | 95 ++++--
fs/f2fs/file.c | 116 +++----
fs/f2fs/gc.c | 125 ++++---
fs/f2fs/gc.h | 12 +-
fs/f2fs/inode.c | 68 ++--
fs/f2fs/namei.c | 80 +++--
fs/f2fs/node.c | 411 ++++++++++++----------
fs/f2fs/node.h | 20 +-
fs/f2fs/recovery.c | 83 +++--
fs/f2fs/segment.c | 137 +++++---
fs/f2fs/segment.h | 41 ++-
fs/f2fs/super.c | 69 +++-
fs/f2fs/xattr.c | 28 +-
include/linux/f2fs_fs.h | 17 +-
include/trace/events/f2fs.h | 682 +++++++++++++++++++++++++++++++++++++
20 files changed, 1674 insertions(+), 692 deletions(-)
create mode 100644 include/trace/events/f2fs.h

--
Jaegeuk Kim
Samsung

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