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* fs: logfs: Fix up MTD=y build.Paul Mundt2010-11-011-1/+1
| | | | | | | | Commit 7d945a3aa760 ("logfs get_sb, part 3") broke the logfs build when CONFIG_MTD is set due to a mangled logfs_get_sb_mtd() definition. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* switch logfs to ->mount()Al Viro2010-10-291-3/+0
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* logfs: fix a leak in get_sbAl Viro2010-10-291-1/+2
| | | | | | | a) switch ->put_device() to logfs_super * b) actually call it on early failures in logfs_get_sb_device() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* logfs get_sb, part 3Al Viro2010-10-291-12/+6
| | | | | | take logfs_get_sb_device() calls to logfs_get_sb() itself Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* logfs get_sb, part 2Al Viro2010-10-291-2/+1
| | | | | | | take setting s_bdev/s_mtd/s_devops to callers of logfs_get_sb_device(), don't bother passing them separately Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* logfs get_sb massage, part 1Al Viro2010-10-291-5/+12
| | | | | | | move allocation of logfs_super to logfs_get_sb, pass it to logfs_get_sb_...(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* logfs: kill BKLArnd Bergmann2010-08-141-2/+1
| | | | | | | | | | logfs does not need the BKL, so use ->unlocked_ioctl instead of ->ioctl in file operations. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Joern Engel <joern@logfs.org> [ fixed trivial conflict ] Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
* convert logfs to ->evict_inode()Al Viro2010-08-091-2/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* logfs: get rid of magical inodesAl Viro2010-08-091-1/+0
| | | | | | | ordering problems at ->kill_sb() time are solved by doing iput() of these suckers in ->put_super() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* drop unused dentry argument to ->fsyncChristoph Hellwig2010-05-271-1/+1
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-05-201-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits) vlynq: make whole Kconfig-menu dependant on architecture add descriptive comment for TIF_MEMDIE task flag declaration. EEPROM: max6875: Header file cleanup EEPROM: 93cx6: Header file cleanup EEPROM: Header file cleanup agp: use NULL instead of 0 when pointer is needed rtc-v3020: make bitfield unsigned PCI: make bitfield unsigned jbd2: use NULL instead of 0 when pointer is needed cciss: fix shadows sparse warning doc: inode uses a mutex instead of a semaphore. uml: i386: Avoid redefinition of NR_syscalls fix "seperate" typos in comments cocbalt_lcdfb: correct sections doc: Change urls for sparse Powerpc: wii: Fix typo in comment i2o: cleanup some exit paths Documentation/: it's -> its where appropriate UML: Fix compiler warning due to missing task_struct declaration UML: add kernel.h include to signal.c ...
| * fix "seperate" typos in commentsAnand Gadiyar2010-05-101-1/+1
| | | | | | | | | | | | | | s/seperate/separate Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | logfs: handle powerfail on NAND flashJoern Engel2010-05-071-0/+2
| | | | | | | | | | | | | | The write buffer may not have been written and may no longer be written due to an interrupted write in the affected page. Signed-off-by: Joern Engel <joern@logfs.org>
* | logfs: commit reservations under space pressureJoern Engel2010-05-041-0/+1
| | | | | | | | | | | | Ensures we only return -ENOSPC when there really is no space. Signed-off-by: Joern Engel <joern@logfs.org>
* | logfs: survive logfs_buf_recover read errorsJoern Engel2010-05-041-5/+5
|/ | | | | | Refusing to mount beats a kernel crash. Signed-off-by: Joern Engel <joern@logfs.org>
* [LogFS] Prevent mempool_destroy NULL pointer dereferenceJoern Engel2010-04-151-0/+6
| | | | | | | | | | | | It would probably be better to just accept NULL pointers in mempool_destroy(). But for the current -rc series let's keep things simple. This patch was lost in the cracks for a while. Kevin Cernekee <cernekee@gmail.com> had to rediscover the problem and send a similar patch because of it. :( Signed-off-by: Joern Engel <joern@logfs.org>
* [LogFS] Prevent memory corruption on large deletesJoern Engel2010-04-131-1/+7
| | | | | | | | | | | | Removing sufficiently large files would create aliases for a large number of segments. This in turn results in a large number of journal entries and an overflow of s_je_array. Cheap fix is to add a BUG_ON, turning memory corruption into something annoying, but less dangerous. Real fix is to count the number of affected segments and prevent the problem completely. Signed-off-by: Joern Engel <joern@logfs.org>
* [LogFS] Remove unused methodJoern Engel2010-03-301-1/+0
| | | | | | All callers are long gone. Signed-off-by: Joern Engel <joern@logfs.org>
* [LogFS] Clear PagePrivate when moving journalJoern Engel2010-03-281-0/+1
| | | | | | | do_logfs_journal_wl_pass() must call freeseg(), thereby clear PagePrivate on all pages of the current journal segment. Signed-off-by: Joern Engel <joern@logfs.org>
* [LogFS] Only write journal if dirtyJoern Engel2010-03-041-2/+2
| | | | | This prevents unnecessary journal writes. More importantly it prevents an oops due to a journal write on failed mount.
* [LogFS] Fix bdev erasesJoern Engel2010-03-041-2/+4
| | | | | | | | | | | | 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.
* [LogFS] add new flash file systemJoern Engel2009-11-201-0/+722
This is a new flash file system. See Documentation/filesystems/logfs.txt Signed-off-by: Joern Engel <joern@logfs.org>
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