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* jffs2: hold erase_completion_lock on exitAlexey Khoroshilov2012-11-181-2/+4
| | | | | | | | | | | | | Users of jffs2_do_reserve_space() expect they still held erase_completion_lock after call to it. But there is a path where jffs2_do_reserve_space() leaves erase_completion_lock unlocked. The patch fixes it. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Cc: stable@vger.kernel.org Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* JFFS2: Add parameter to reserve disk space for rootDaniel Drake2012-05-141-0/+42
| | | | | | | | | | | | | | Add a new rp_size= parameter which creates a "reserved pool" of disk space which can only be used by root. Other users are not permitted to write to disk when the available space is less than the pool size. Based on original code by Artem Bityutskiy in https://dev.laptop.org/ticket/5317 [dwmw2: use capable(CAP_SYS_RESOURCE) not uid/gid check, fix debug prints] Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Use pr_fmt and remove jffs: from formatsJoe Perches2012-03-271-0/+2
| | | | | | | | | | Use pr_fmt to prefix KBUILD_MODNAME to appropriate logging messages. Remove now unnecessary internal prefixes from formats. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Convert printks to pr_<level>Joe Perches2012-03-271-19/+32
| | | | | | | | | | | | | Use the more current logging style. Coalesce formats, align arguments. Convert uses of embedded function names to %s, __func__. A couple of long line checkpatch errors I don't care about exist. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Convert most D1/D2 macros to jffs2_dbgJoe Perches2012-03-271-65/+96
| | | | | | | | | | | | | | D1 and D2 macros are mostly uses to emit debugging messages. Convert the logging uses of D1 & D2 to jffs2_dbg(level, fmt, ...) to be a bit more consistent style with the rest of the kernel. All jffs2_dbg output is now at KERN_DEBUG where some of the previous uses were emitted at various KERN_<LEVEL>s. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Use jffs2_garbage_collect_trigger() to trigger pending erasesDavid Woodhouse2010-05-191-2/+2
| | | | | | This is now done in a GC pass; we don't need to trigger kupdated to do it. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Require jffs2_garbage_collect_trigger() to be called with lock heldDavid Woodhouse2010-05-191-0/+2
| | | | | | | | We're about to call this from a bunch of places which already hold c->erase_completion_lock, so add an assertion and change its existing callers to do the same. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Wake GC thread when there are blocks to be erasedJoakim Tjernlund2010-05-191-0/+4
| | | | | | | | | Now that we trigger block erases from jffs2_garbage_collect_pass(), adjust jffs2_thread_should_wake() to return 1 when there are blocks to erase. Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Erase pending blocks in GC pass, avoid invalid -EIO returnDavid Woodhouse2010-05-191-3/+15
| | | | | | | | | | | | | | | | jffs2_garbage_collect_pass() would previously return -EAGAIN if it couldn't find anything to garbage collect from, and there were blocks on the erase_pending_list. If the blocks were actually in the process of being erased, though, then they wouldn't be on that list. Check for nr_erasing_blocks being non-zero instead. Fix jffs2_reserve_space() to wait for the in-progress erases to complete, when jffs2_garbage_collect_pass() returns -EAGAIN. And fix jffs2_erase_succeeded() to actually wake up the erase_wait wq that jffs2_reserve_space() is now using. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-301-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* [JFFS2] Fix build failure with !CONFIG_JFFS2_FS_WRITEBUFFERSteve Glendinning2008-10-211-0/+2
| | | | | | | | Build failure introduced by 5bf1723723487ddb0b9c9641b6559da96b27cc93 [JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flash Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flashAlexander Belyakov2008-10-181-0/+4
| | | | | | | | | | | | | After choosing new c->nextblock, don't leave the wbuf offset field occasionally pointing at the start of the next physical eraseblock. This was causing a BUG() on NOR-ECC (Sibley) flash, where we start writing after the cleanmarker. Among other this fix should cover write buffer offset adjustment after flushing the last page of an eraseblock. Signed-off-by: Alexander Belyakov <abelyako@googlemail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [JFFS2] Track parent inode for directories (for NFS export)David Woodhouse2008-05-011-1/+1
| | | | | | | | To support NFS export, we need to know the parent inode of directories. Rather than growing the jffs2_inode_cache structure, share space with the nlink field -- which was always set to 1 for directories anyway. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Fix jffs2_reserve_space() when all blocks are pending erasure.David Woodhouse2008-04-231-1/+4
| | | | | | | | | | | | | | | When _all_ the blocks were on the erase_pending_list, we could't find a block to GC from but there was no _actually_ free space, and jffs2_reserve_space() would get a little unhappy. Handle this case by returning -EAGAIN from jffs2_garbage_collect_pass(). There are two callers of that function -- jffs2_flush_wbuf_gc(), which will interpret it as an error and flush the writebuffer by other means, and jffs2_reserve_space(), which we modify to respond to -EAGAIN with an immediate call to jffs2_erase_pending_blocks() and another run round the loop. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] semaphore->mutex conversionDavid Woodhouse2008-04-221-9/+9
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Fix sparse warning in nodemgmt.cDavid Woodhouse2008-04-221-1/+0
| | | | | | | | | | | fs/jffs2/nodemgmt.c:60:8: warning: symbol 'ret' shadows an earlier one fs/jffs2/nodemgmt.c:45:6: originally declared here (reported by Harvey Harrison) Just remove the offending declaration of 'int ret' and use the earlier one. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Don't count all 'very dirty' blocks except in debug modeDavid Woodhouse2007-10-131-1/+3
| | | | | | ... where we'll actually print the count in a debug message. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Trigger garbage collection when very_dirty_list size becomes excessiveDavid Woodhouse2007-10-061-2/+12
| | | | | | | | With huge amounts of free space, we weren't bothering to GC for while a while, and pathological numbers of obsolete nodes were accumulating, seriously affecting performance on NAND flash (OLPC trac #3978) Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Whitespace cleanups.David Woodhouse2007-07-101-1/+1
| | | | | | Convert many spaces to tabs; one or two other minor cosmetic fixes. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Improve diagnostic output for 'node added in wrong place' checkDavid Woodhouse2007-06-281-1/+6
| | | | | | Jocke has seen this fail. We want to know why. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Tidy up licensing/copyright boilerplate.David Woodhouse2007-04-251-3/+1
| | | | | | | | | | | | | | In particular, remove the bit in the LICENCE file about contacting Red Hat for alternative arrangements. Their errant IS department broke that arrangement a long time ago -- the policy of collecting copyright assignments from contributors came to an end when the plug was pulled on the servers hosting the project, without notice or reason. We do still dual-license it for use with eCos, with the GPL+exception licence approved by the FSF as being GPL-compatible. It's just that nobody has the right to license it differently. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Prevent list corruption when handling write errorsAdrian Hunter2007-04-171-0/+5
| | | | | | | | | | | | If a write error occurs, the affected block is placed on the bad_used_list. In the case that the write error occured when writing summary data the block was also being placed on the dirty_list, which caused list corruption and ultimately a soft lockup in jffs2_mark_node_obsolete. This fixes that. Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* Merge git://git.infradead.org/mtd-2.6Linus Torvalds2006-06-281-7/+14
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: [MTD] NAND: Select chip before checking write protect status [MTD] CORE mtdchar.c: fix off-by-one error in lseek() [MTD] NAND: Fix typo in mtd/nand/ts7250.c [JFFS2][XATTR] coexistence between xattr and write buffering support. [JFFS2][XATTR] Fix wrong copyright [JFFS2][XATTR] Re-define xd->refcnt as atomic_t [JFFS2][XATTR] Fix memory leak with jffs2_xattr_ref [JFFS2][XATTR] rid unnecessary writing of delete marker. [JFFS2][XATTR] Fix ACL bug when updating null xattr by null ACL. [JFFS2][XATTR] using 'delete marker' for xdatum/xref deletion [MTD] Fix off-by-one error in physmap.c [MTD] Remove unused 'nr_banks' variable from ixp2000 map driver [MTD NAND] s3c2412 support in s3c2410.c [MTD] Initialize 'writesize' [MTD] NAND: ndfc fix address offset thinko [MTD] NAND: S3C2410 convert prinks to dev_*()s [MTD] NAND: Missing fixups
| * [JFFS2][XATTR] using 'delete marker' for xdatum/xref deletionKaiGai Kohei2006-06-271-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - When xdatum is removed, a new xdatum with 'delete marker' is written. (version==0xffffffff means 'delete marker') - When xref is removed, a new xref with 'delete marker' is written. (odd-numbered xseqno means 'delete marker') - delete_xattr_(datum/xref)_delay() are new deletion functions are added. We can only use them if we can detect the target obsolete xdatum/xref as a orphan or errir one. (e.g when inode deletion, or detecting crc error) [1/3] jffs2-xattr-v6-01-delete_marker.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | [PATCH] fs: use list_move()Akinobu Mita2006-06-261-2/+1
|/ | | | | | | | | | | | | | | | This patch converts the combination of list_del(A) and list_add(A, B) to list_move(A, B) under fs/. Cc: Ian Kent <raven@themaw.net> Acked-by: Joel Becker <joel.becker@oracle.com> Cc: Neil Brown <neilb@cse.unsw.edu.au> Cc: Hans Reiser <reiserfs-dev@namesys.com> Cc: Urban Widmark <urban@teststation.com> Acked-by: David Howells <dhowells@redhat.com> Acked-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [JFFS2] When retiring nextblock, allocate a node_ref for the wasted spaceDavid Woodhouse2006-06-181-4/+22
| | | | | | | Failing to do so makes the calculated length of the last node incorrect, when we're not using eraseblock summaries. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Switch to using an array of jffs2_raw_node_refs instead of a list.David Woodhouse2006-05-261-50/+1
| | | | | | | | This allows us to drop another pointer from the struct jffs2_raw_node_ref, shrinking it to 8 bytes on 32-bit machines (if the TEST_TOTLEN) paranoia check is turned off, which will be committed soon). Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Add 'jeb' argument to jffs2_prealloc_raw_node_refs()David Woodhouse2006-05-251-2/+2
| | | | | | | Preallocation of refs is shortly going to be a per-eraseblock thing, rather than per-filesystem. Add the required argument to the function. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] jffs2_free_all_node_refs() doesn't free them all. Rename it.David Woodhouse2006-05-251-1/+1
| | | | | | ... to jffs2_free_jeb_node_refs() since that's what it does. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Revert Artem's Bunkage in debug messages.David Woodhouse2006-05-241-2/+2
| | | | | | | | | | | | Random unthinking 'cleanup' caused debug messages like this: Obsoleting node at 0x0006daf4 of len 0x3a4: <7>Dirtying If messages are continuation of an existing line, they don't need to be prefixed with KERN_DEBUG. THINK. Or you will be replaced by a small shell script. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Introduce ref_next() macro for finding next physical nodeDavid Woodhouse2006-05-241-11/+11
| | | | | | Another part of the preparation for switching to an array... Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Reduce visibility of raw_node_ref to upper layers of JFFS2 code.David Woodhouse2006-05-241-17/+22
| | | | | | | | | | | | | As the first step towards eliminating the ref->next_phys member and saving memory by using an _array_ of struct jffs2_raw_node_ref per eraseblock, stop the write functions from allocating their own refs; have them just _reserve_ the appropriate number instead. Then jffs2_link_node_ref() can just fill them in. Use a linked list of pre-allocated refs in the superblock, for now. Once we switch to an array, it'll just be a case of extending that array. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Remove flash offset argument from various functions.David Woodhouse2006-05-231-13/+13
| | | | | | | | We don't need the upper layers to deal with the physical offset. It's _always_ c->nextblock->offset + c->sector_size - c->nextblock->free_size so we might as well just let the actual write functions deal with that. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Add some preemptive BUG checks for XATTR codeDavid Woodhouse2006-05-221-0/+4
| | | | | | | | In a couple of places, we assume that what's at the end of the ->next_in_ino list is a struct jffs2_inode_cache. Let's check for that, since we expect it to change soon. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Extend jffs2_link_node_ref() to link into per-inode list too.David Woodhouse2006-05-221-2/+3
| | | | | | | | | | | Let's avoid the potential for forgetting to set ref->next_in_ino, by doing it within jffs2_link_node_ref() instead. This highlights the ugliness of what we're currently doing with xattr_datum and xattr_ref structures -- we should find a nicer way of dealing with that. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Finally eliminate __totlen field from struct jffs2_raw_node_refDavid Woodhouse2006-05-211-0/+6
| | | | | | | | | | | Well, almost. We'll actually keep a 'TEST_TOTLEN' macro set for now, and keep doing some paranoia checks to make sure it's all working correctly. But if TEST_TOTLEN is unset, the size of struct jffs2_raw_node_ref drops from 16 bytes to 12 on 32-bit machines. That's a saving of about half a megabyte of memory on the OLPC prototype board, with 125K or so nodes in its 512MiB of flash. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Add length argument to jffs2_add_physical_node_ref()David Woodhouse2006-05-211-4/+2
| | | | | | | | If __totlen is going away, we need to pass the length in separately. Also stop callers from needlessly setting ref->next_phys to NULL, since that's done for them... and since that'll also be going away soon. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Introduce jffs2_link_node_ref() function to reduce code duplicationDavid Woodhouse2006-05-201-15/+1
| | | | | | | | The same sequence of code was repeated in many places, to add a new struct jffs2_raw_node_ref to an eraseblock and adjust the space accounting accordingly. Move it out-of-line. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Reduce calls to ref_totlen() in jffs2_mark_node_obsolete()David Woodhouse2006-05-201-18/+21
| | | | | | | | | We were calling ref_totlen() 18 times. Even before that becomes a real function rather than just a dereference, apparently some compilers still suck anyway. It'll _certainly_ suck after ref_totlen() becomes more complicated, so calculate it once and don't rely on CSE. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Clean up trailing white spacesThomas Gleixner2005-11-071-29/+29
| | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Debug code simplification, update TODOArtem B. Bityutskiy2005-11-061-3/+3
| | | | | | | | Simplify the debugging code further. Update the TODO list Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Account summary space in reserved_size.Ferenc Havasi2005-11-061-1/+3
| | | | | | | | | | | Always keep valid data in reserved_size. It did not cause problems, but the reservation code was unoptimal when centralized summary was active or the size of the erase block was very small. Signed-off-by: Ferenc Havasi <havasi@inf.u-szeged.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Add erase block summary support (mount time improvement)Ferenc Havasi2005-11-061-84/+166
| | | | | | | | | | | | | | | | | | The goal of summary is to speed up the mount time. Erase block summary (EBS) stores summary information at the end of every (closed) erase block. It is no longer necessary to scan all nodes separetly (and read all pages of them) just read this "small" summary, where every information is stored which is needed at mount time. This summary information is stored in a JFFS2_FEATURE_RWCOMPAT_DELETE. During the mount process if there is no summary info the orignal scan process will be executed. EBS works with NAND and NOR flashes, too. There is a user space tool called sumtool to generate this summary information for a JFFS2 image. Signed-off-by: Ferenc Havasi <havasi@inf.u-szeged.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Debug code clean up - step 3Artem B. Bityutskiy2005-11-061-7/+6
| | | | | | | | Various simplifiactions. printk format corrections. Convert more code to use the new debug functions. Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Debug code clean up - step 1Artem B. Bityutskiy2005-11-061-163/+5
| | | | | | | Move debug functions into a seperate source file Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Suppress annoying debug messagesArtem B. Bityuckiy2005-05-231-3/+3
| | | | | | | Embrace uneeded messages in D1(). Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Add KERN_DEBUG level to printksArtem B. Bityuckiy2005-05-231-3/+3
| | | | | Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Forbid to free inode_cache objects if its nlink isn't zero.Artem B. Bityuckiy2005-05-231-2/+2
| | | | | Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Fix NOR specific scan BUG Artem B. Bityuckiy2005-05-231-5/+6
| | | | | | | | | Fix fairly sad NOR-specific bug - during FS building ic->scan_dents isn't zero, but jffs2_mark_node_obsolete() migt be called it tries to finde the ic corresponding to ref - this requires ic->scan_dents = 0. Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Prevent ino cache removal for inodes in useDavid Woodhouse2005-05-231-5/+2
| | | | | | | | Don't remove inocache for inodes which are in read_inode() or clear_inode() until they're done. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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