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Subject[PATCH take 3] UBIFS - new flash file system
Date
Hello,

here is the third round of UBIFS submission. If you are not aware what
UBIFS is about, please refer Jonathan Corbet's article:
http://lwn.net/Articles/276025/

Also, please refer the second and the first UBIFS submissions which
contain short UBIFS description and URLs.
second: http://marc.info/?l=linux-kernel&m=121006384211288&w=2
first: http://marc.info/?l=linux-kernel&m=120662475821992&w=2

We've addressed most of the requests from the second round:

* Requests from Christoph Hellwig's review (may be found here:
http://marc.info/?l=linux-kernel&m=121093446502796&w=2). Few things
related to the background thread were not done though. Here are
explanations why: http://marc.info/?l=linux-kernel&m=121155640026661&w=2
and http://marc.info/?l=linux-kernel&m=121119680522445&w=2 (see end
of the mail).
Also, we have not changed readdir() implementation so far, but just
put a comment that we cannot support NFS at the moment. However, we
have an idea how to fix this, but need some comments from the community.
We'll send a separate mail describing the problem and the possible
solution shortly. Nevertheless, this should not be a blocker.
* The 'generic_sync_sb_inodes()' was introduce as it was pointed to by
Andrew Morton.
* Many build fixes spotted by Andrew Morton.
* Get rid of some dead code spotted by Marcin Slusarz.

Other news is that UBIFS has been sitting in -mm tree for a couple of
weeks already. And of course we have got more bug reports and fixed
more bugs since the last submission.

Christoph prefers tarballs - here it is:
http://www.infradead.org/~dedekind/ubifs/ubifs-08-05-26.tar.bz2

Changes between take 1 and take 2:
* Store milliseconds for [mca]time stamps in the inodes, not only seconds
(requested by Andi Kleen)
* Documentation/filesystems/ubifs.txt has been added (requested by Josh Boyer)
* do_div() is not anymore used with 'unsigned long long' values
(requested by Andrew Morton)
* The amount of debugging-related config options was lessened and module
parameters were introduced instead (requested by Pekka Enberg and
Christoph Hellwig)
* Many assertions were removed (requested by Pekka Enberg)
* Some debugging checks like custom memory leak and memory pressure checks
were removed (requested by Pekka Enberg)

Thank you,
Adrian Hunter
Artem Bityutskiy

P.S. The patches are against v2.6.26-rc3.

git-diff --stat --summary -M v2.6.26-rc3
Documentation/filesystems/ubifs.txt | 163 ++
fs/Kconfig | 3 +
fs/Makefile | 1 +
fs/fs-writeback.c | 22 +-
fs/ubifs/Kconfig | 71 +
fs/ubifs/Makefile | 9 +
fs/ubifs/budget.c | 859 +++++++++
fs/ubifs/commit.c | 718 ++++++++
fs/ubifs/compress.c | 253 +++
fs/ubifs/debug.c | 1486 ++++++++++++++++
fs/ubifs/debug.h | 392 ++++
fs/ubifs/dir.c | 1016 +++++++++++
fs/ubifs/file.c | 960 ++++++++++
fs/ubifs/find.c | 956 ++++++++++
fs/ubifs/gc.c | 761 ++++++++
fs/ubifs/io.c | 921 ++++++++++
fs/ubifs/ioctl.c | 212 +++
fs/ubifs/journal.c | 1275 ++++++++++++++
fs/ubifs/key.h | 532 ++++++
fs/ubifs/log.c | 799 +++++++++
fs/ubifs/lprops.c | 1353 ++++++++++++++
fs/ubifs/lpt.c | 2241 +++++++++++++++++++++++
fs/ubifs/lpt_commit.c | 1631 +++++++++++++++++
fs/ubifs/master.c | 387 ++++
fs/ubifs/misc.h | 310 ++++
fs/ubifs/orphan.c | 955 ++++++++++
fs/ubifs/recovery.c | 1509 ++++++++++++++++
fs/ubifs/replay.c | 1009 +++++++++++
fs/ubifs/sb.c | 609 +++++++
fs/ubifs/scan.c | 362 ++++
fs/ubifs/shrinker.c | 322 ++++
fs/ubifs/super.c | 1956 ++++++++++++++++++++
fs/ubifs/tnc.c | 3330 +++++++++++++++++++++++++++++++++++
fs/ubifs/tnc_commit.c | 1105 ++++++++++++
fs/ubifs/tnc_misc.c | 259 +++
fs/ubifs/ubifs-media.h | 725 ++++++++
fs/ubifs/ubifs.h | 1576 +++++++++++++++++
fs/ubifs/xattr.c | 582 ++++++
include/linux/fs.h | 2 +
init/do_mounts.c | 3 +-
40 files changed, 31624 insertions(+), 11 deletions(-)
create mode 100644 Documentation/filesystems/ubifs.txt
create mode 100644 fs/ubifs/Kconfig
create mode 100644 fs/ubifs/Makefile
create mode 100644 fs/ubifs/budget.c
create mode 100644 fs/ubifs/commit.c
create mode 100644 fs/ubifs/compress.c
create mode 100644 fs/ubifs/debug.c
create mode 100644 fs/ubifs/debug.h
create mode 100644 fs/ubifs/dir.c
create mode 100644 fs/ubifs/file.c
create mode 100644 fs/ubifs/find.c
create mode 100644 fs/ubifs/gc.c
create mode 100644 fs/ubifs/io.c
create mode 100644 fs/ubifs/ioctl.c
create mode 100644 fs/ubifs/journal.c
create mode 100644 fs/ubifs/key.h
create mode 100644 fs/ubifs/log.c
create mode 100644 fs/ubifs/lprops.c
create mode 100644 fs/ubifs/lpt.c
create mode 100644 fs/ubifs/lpt_commit.c
create mode 100644 fs/ubifs/master.c
create mode 100644 fs/ubifs/misc.h
create mode 100644 fs/ubifs/orphan.c
create mode 100644 fs/ubifs/recovery.c
create mode 100644 fs/ubifs/replay.c
create mode 100644 fs/ubifs/sb.c
create mode 100644 fs/ubifs/scan.c
create mode 100644 fs/ubifs/shrinker.c
create mode 100644 fs/ubifs/super.c
create mode 100644 fs/ubifs/tnc.c
create mode 100644 fs/ubifs/tnc_commit.c
create mode 100644 fs/ubifs/tnc_misc.c
create mode 100644 fs/ubifs/ubifs-media.h
create mode 100644 fs/ubifs/ubifs.h
create mode 100644 fs/ubifs/xattr.c

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