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2010-03-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfsLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs: [LogFS] Change magic number [LogFS] Remove h_version field [LogFS] Check feature flags [LogFS] Only write journal if dirty [LogFS] Fix bdev erases [LogFS] Silence gcc [LogFS] Prevent 64bit divisions in hash_index [LogFS] Plug memory leak on error paths [LogFS] Add MAINTAINERS entry [LogFS] add new flash file system Fixed up trivial conflict in lib/Kconfig, and a semantic conflict in fs/logfs/inode.c introduced by write_inode() being changed to use writeback_control' by commit a9185b41a4f84971b930c519f0c63bd450c4810d ("pass writeback_control to ->write_inode")
2010-03-06[LogFS] Change magic numberJoern Engel
Many changes were made during development that could result in old versions of mklogfs and the kernel code being subtly incompatible. Not being a friend of subtleties, I hereby change the magic number. Any old version of mklogfs is now guaranteed to fail.
2010-03-06[LogFS] Remove h_version fieldJoern Engel
Incompatible change: h_compr is moved up so the padding is all in one chunk.
2010-03-05[LogFS] Check feature flagsJoern Engel
2010-03-04[LogFS] Only write journal if dirtyJoern Engel
This prevents unnecessary journal writes. More importantly it prevents an oops due to a journal write on failed mount.
2010-03-04[LogFS] Fix bdev erasesJoern Engel
Erases for block devices were always just emulated by writing 0xff. Some time back the write was removed and only the page cache was changed to 0xff. Superficialy a good idea with two problems: 1. Touching the page cache isn't necessary either. 2. However, writing out 0xff _is_ necessary for the journal. As the journal is scanned linearly, an old non-overwritten commit entry can be used on next mount and cause havoc. This should fix both aspects.
2009-12-07[LogFS] Silence gccJoern Engel
Andrew Morton sayeth: fs/logfs/journal.c: In function 'logfs_init_journal': fs/logfs/journal.c:266: warning: 'last_len' may be used uninitialized in this function Can this be squished please?
2009-11-28[LogFS] Prevent 64bit divisions in hash_indexJoern Engel
Randy Dunlap caught this built error on i386: fs/built-in.o: In function `hash_index': dir.c:(.text+0x6c1f2): undefined reference to `__umoddi3'
2009-11-23[LogFS] Plug memory leak on error pathsJoern Engel
Spotted by Dan Carpenter.
2009-11-20[LogFS] add new flash file systemJoern Engel
This is a new flash file system. See Documentation/filesystems/logfs.txt Signed-off-by: Joern Engel <joern@logfs.org>