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* ubifs: Remove obsolete TODO from dfs_file_write()Richard Weinberger2019-11-171-12/+0
| | | | | | | | | | AFAICT this kind of problems are no longer possible since debugfs gained file removal protection via e9117a5a4bf6 ("debugfs: implement per-file removal protection"). Cc: Christoph Hellwig <hch@lst.de> Cc: Nicolai Stange <nicstange@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Remove redundant assignment to pointer fnameColin Ian King2019-09-151-1/+0
| | | | | | | | | | The pointer fname is being assigned with a value that is never read because the function returns after the assignment. The assignment is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* Merge tag 'driver-core-5.3-rc1' of ↵Linus Torvalds2019-07-121-127/+42
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core and debugfs updates from Greg KH: "Here is the "big" driver core and debugfs changes for 5.3-rc1 It's a lot of different patches, all across the tree due to some api changes and lots of debugfs cleanups. Other than the debugfs cleanups, in this set of changes we have: - bus iteration function cleanups - scripts/get_abi.pl tool to display and parse Documentation/ABI entries in a simple way - cleanups to Documenatation/ABI/ entries to make them parse easier due to typos and other minor things - default_attrs use for some ktype users - driver model documentation file conversions to .rst - compressed firmware file loading - deferred probe fixes All of these have been in linux-next for a while, with a bunch of merge issues that Stephen has been patient with me for" * tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (102 commits) debugfs: make error message a bit more verbose orangefs: fix build warning from debugfs cleanup patch ubifs: fix build warning after debugfs cleanup patch driver: core: Allow subsystems to continue deferring probe drivers: base: cacheinfo: Ensure cpu hotplug work is done before Intel RDT arch_topology: Remove error messages on out-of-memory conditions lib: notifier-error-inject: no need to check return value of debugfs_create functions swiotlb: no need to check return value of debugfs_create functions ceph: no need to check return value of debugfs_create functions sunrpc: no need to check return value of debugfs_create functions ubifs: no need to check return value of debugfs_create functions orangefs: no need to check return value of debugfs_create functions nfsd: no need to check return value of debugfs_create functions lib: 842: no need to check return value of debugfs_create functions debugfs: provide pr_fmt() macro debugfs: log errors when something goes wrong drivers: s390/cio: Fix compilation warning about const qualifiers drivers: Add generic helper to match by of_node driver_find_device: Unify the match function with class_find_device() bus_find_device: Unify the match callback with class_find_device ...
| * ubifs: fix build warning after debugfs cleanup patchGreg Kroah-Hartman2019-07-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stephen writes: After merging the driver-core tree, today's linux-next build (arm multi_v7_defconfig) produced this warning: fs/ubifs/debug.c: In function 'dbg_debugfs_init_fs': fs/ubifs/debug.c:2812:6: warning: unused variable 'err' [-Wunused-variable] int err, n; ^~~ So fix this up properly. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Richard Weinberger <richard@nod.at> Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: linux-mtd@lists.infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * ubifs: no need to check return value of debugfs_create functionsGreg Kroah-Hartman2019-07-031-126/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Richard Weinberger <richard@nod.at> Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: linux-mtd@lists.infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20190612152120.GA17450@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336Thomas Gleixner2019-06-051-13/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin st fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 246 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.674189849@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ubifs: Drop unnecessary setting of zbr->znodeSascha Hauer2019-05-071-1/+0
| | | | | | | | | in dbg_walk_index ubifs_load_znode is used to load the znode behind a zbranch. ubifs_load_znode links the new child znode to the zbranch, so doing it again is unnecessary. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Format changes for authentication supportSascha Hauer2018-10-231-0/+6
| | | | | | | | | | | | | | | | | | | | | | | This patch adds the changes to the on disk format needed for authentication support. We'll add: * a HMAC covering super block node * a HMAC covering the master node * a hash over the root index node to the master node * a hash over the LPT to the master node * a flag to the filesystem flag indicating the filesystem is authenticated * an authentication node necessary to authenticate the nodes written to the journal heads while they are written. * a HMAC of a well known message to the super block node to be able to check if the correct key is provided And finally, not visible in this patch, nevertheless explained here: * hashes over the referenced child nodes in each branch of a index node Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Rework ubifs_assert()Richard Weinberger2018-08-151-0/+22
| | | | | | | | | | | | | | | With having access to struct ubifs_info in ubifs_assert() we can give more information when an assert is failing. By using ubifs_err() we can tell which UBIFS instance failed. Also multiple actions can be taken now. We support: - report: This is what UBIFS did so far, just report the failure and go on. - read-only: Switch to read-only mode. - panic: shoot the kernel in the head. Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Pass struct ubifs_info to ubifs_assert()Richard Weinberger2018-08-151-10/+10
| | | | | | | This allows us to have more context in ubifs_assert() and take different actions depending on the configuration. Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Fix cut and paste error on sb type comparisonsColin Ian King2017-05-081-2/+2
| | | | | | | | | | The check for the bad node type of sb->type is checking sa->type and not sb-type. This looks like a cut and paste error. Fix this. Detected by PVS-Studio, warning: V581 Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Fix debug messages for an invalid filename in ubifs_dump_inodeHyunchul Lee2017-03-301-2/+4
| | | | | | | instead of filenames, print inode numbers, file types, and length. Signed-off-by: Hyunchul Lee <cheol.lee@lge.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Fix debug messages for an invalid filename in ubifs_dump_nodeHyunchul Lee2017-03-301-1/+3
| | | | | | | if a character is not printable, print '?' instead of that. Signed-off-by: Hyunchul Lee <cheol.lee@lge.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: Implement encrypted filenamesRichard Weinberger2016-12-121-7/+7
| | | | | | Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David Gstir <david@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at>
* ubifs: ubifs_dump_inode: Fix dumping field bulk_readAndreas Gruenbacher2016-05-241-1/+1
| | | | | | | The wrong field (xattr) is dumped here due to a copy-and-paste error. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* UBIFS: call dbg_is_power_cut() instead of reading c->dbg->pc_happenedshengyong2015-10-031-4/+4
| | | | | | | | Call dbg_is_power_cut() to emulate power cut instead of reading c->dbg->pc_happened. Otherwise, the function becomes dead code. Signed-off-by: Sheng Yong <shengyong1@huawei.com> Signed-off-by: Richard Weinberger <richard@nod.at>
* UBIFS: extend debug/message capabilitiesSheng Yong2015-03-251-93/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the case where we have more than one volumes on different UBI devices, it may be not that easy to tell which volume prints the messages. Add ubi number and volume id in ubifs_msg/warn/error to help debug. These two values are passed by struct ubifs_info. For those where ubifs_info is not initialized yet, ubifs_* is replaced by pr_*. For those where ubifs_info is not avaliable, ubifs_info is passed to the calling function as a const parameter. The output looks like, [ 95.444879] UBIFS (ubi0:1): background thread "ubifs_bgt0_1" started, PID 696 [ 95.484688] UBIFS (ubi0:1): UBIFS: mounted UBI device 0, volume 1, name "test1" [ 95.484694] UBIFS (ubi0:1): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes [ 95.484699] UBIFS (ubi0:1): FS size: 30220288 bytes (28 MiB, 238 LEBs), journal size 1523712 bytes (1 MiB, 12 LEBs) [ 95.484703] UBIFS (ubi0:1): reserved for root: 1427378 bytes (1393 KiB) [ 95.484709] UBIFS (ubi0:1): media format: w4/r0 (latest is w4/r0), UUID 40DFFC0E-70BE-4193-8905-F7D6DFE60B17, small LPT model [ 95.489875] UBIFS (ubi1:0): background thread "ubifs_bgt1_0" started, PID 699 [ 95.529713] UBIFS (ubi1:0): UBIFS: mounted UBI device 1, volume 0, name "test2" [ 95.529718] UBIFS (ubi1:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes [ 95.529724] UBIFS (ubi1:0): FS size: 19808256 bytes (18 MiB, 156 LEBs), journal size 1015809 bytes (0 MiB, 8 LEBs) [ 95.529727] UBIFS (ubi1:0): reserved for root: 935592 bytes (913 KiB) [ 95.529733] UBIFS (ubi1:0): media format: w4/r0 (latest is w4/r0), UUID EEB7779D-F419-4CA9-811B-831CAC7233D4, small LPT model [ 954.264767] UBIFS error (ubi1:0 pid 756): ubifs_read_node: bad node type (255 but expected 6) [ 954.367030] UBIFS error (ubi1:0 pid 756): ubifs_read_node: bad node at LEB 0:0, LEB mapping status 1 Signed-off-by: Sheng Yong <shengyong1@huawei.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: add a couple of extra assertsArtem Bityutskiy2015-01-281-0/+4
| | | | | | | ... to catch possible memory corruptions. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: Fix trivial typo in power_cut_emulated()Richard Weinberger2014-09-301-1/+1
| | | | | | | s/withing/within/ Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: Align the dump messages of SB_NODEhujianyang2014-09-261-2/+2
| | | | | | | | I found the dump messages of UBIFS_SB_NODE is not aligned. This patch remove the extra space from the line which is retracted. Signed-off-by: hujianyang <hujianyang@huawei.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: Fix dump messages in ubifs_dump_lpropshujianyang2014-05-271-1/+3
| | | | | | | | | | Function ubifs_read_one_lp will not set @lp and returns an error when ubifs_read_one_lp failed. We should not perform ubifs_dump_lprop in this case because @lp is not initialized as we wanted. Signed-off-by: hujianyang <hujianyang@huawei.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* fs/ubifs: use rbtree postorder iteration helper instead of opencodingCody P Schafer2014-01-231-19/+3
| | | | | | | | | | | | | Use rbtree_postorder_for_each_entry_safe() to destroy the rbtree instead of opencoding an alternate postorder iteration that modifies the tree Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Cc: Michel Lespinasse <walken@google.com> Cc: Jan Kara <jack@suse.cz> Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* UBIFS: correct data corruption rangeMats Kärrman2013-10-261-3/+3
| | | | | | | | | | | | With power-cut emulation, it is possible that sometimes no data at all is corrupted and that confusing messages are printed due to errors in the computation of data corruption range. [1] The start of the range should be [0..len-1], not [0..len]. [2] The end of the range should always be at least 1 greater than the start. Signed-off-by: Mats Karrman <mats.karrman@tritech.se> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: remove invalid warn msg with tst_recovery enabledMats Kärrman2013-08-161-3/+4
| | | | | Signed-off-by: Mats Karrman <mats.karrman@tritech.se> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: rename random32() to prandom_u32()Akinobu Mita2013-01-151-4/+4
| | | | | | | | Use more preferable function name which implies using a pseudo-random number generator. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* ubifs: use prandom_bytesAkinobu Mita2012-12-171-5/+3
| | | | | | | | | | | | | | | | | This also converts filling memory loop to use memset. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: David Laight <david.laight@aculab.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Eilon Greenstein <eilong@broadcom.com> Cc: Michel Lespinasse <walken@google.com> Cc: Robert Love <robert.w.love@intel.com> Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds2012-10-021-363/+270
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ubifs changes from Artem Bityutskiy: "No big changes for 3.7 in UBIFS: - Error reporting and debug printing improvements - Power cut emulation fixes - Minor cleanups" Fix trivial conflict in fs/ubifs/debug.c due to the user namespace changes. * tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubifs: UBIFS: print less UBIFS: use pr_ helper instead of printk UBIFS: comply with coding style UBIFS: use __aligned() attribute UBIFS: remove __DATE__ and __TIME__ UBIFS: fix power cut emulation for mtdram UBIFS: improve scanning debug output UBIFS: always print full error reports UBIFS: print PID in debug messages
| * UBIFS: use pr_ helper instead of printkArtem Bityutskiy2012-08-311-271/+211
| | | | | | | | | | | | Use 'pr_err()' instead of 'printk(KERN_ERR', etc. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: comply with coding styleArtem Bityutskiy2012-08-311-93/+64
| | | | | | | | | | | | Join all the split printk lines in order to stop checkpatch complaining. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: fix power cut emulation for mtdramArtem Bityutskiy2012-08-311-9/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The power cut emulation did not work correctly because we corrupted more than one max. I/O unit in the buffer and then wrote the entire buffer. This lead to recovery errors because UBIFS complained about corrupted free space. And this was easily reproducible on mtdram because max. write size is very small there (64 bytes), and we could easily have a 1KiB buffer, corrupt 128 bytes there, and then write the entire buffer. The fix is to corrupt max. write size bytes at most, and write only up to the last corrupted max. write size chunk, not the entire buffer. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: always print full error reportsArtem Bityutskiy2012-08-221-6/+0
| | | | | | | | | | | | | | Even when we are emulating power cuts, otherwise it is difficult to investigate failures during emulated power cuts testing. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* | userns: Convert ubifs to use kuid/kgidEric W. Biederman2012-09-211-2/+2
|/ | | | | | | Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* UBIFS: add debugfs knob to switch to R/O modeArtem Bityutskiy2012-07-201-0/+11
| | | | | | | | | | | This patch adds another debugfs knob which switches UBIFS to R/O mode. I needed it while trying to reproduce the 'first log node is not CS node' bug. Without this debugfs knob you have to perform a power cut to repruduce the bug. The knob is named 'ro_error' and all it does is it sets the 'ro_error' UBIFS flag which makes UBIFS disallow any further writes - even write-back will fail with -EROFS. Useful for debugging. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
* UBIFS: correct usage of IS_ENABLED()Brian Norris2012-06-271-4/+4
| | | | | | | | | | Commit "818039c UBIFS: fix debugfs-less systems support" fixed one regression but introduced a different regression - the debugfs is now always compiled out. Root cause: IS_ENABLED() arguments should be used with the CONFIG_* prefix. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: fix debugfs-less systems supportArtem Bityutskiy2012-06-071-2/+10
| | | | | | | | | | | Commit "f70b7e5 UBIFS: remove Kconfig debugging option" broke UBIFS and it refuses to initialize if debugfs (CONFIG_DEBUG_FS) is disabled. I incorrectly assumed that debugfs files creation function will return success if debugfs is disabled, but they actually return -ENODEV. This patch fixes the issue. Reported-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Tested-by: Paul Parsons <lost.distance@yahoo.com>
* UBI: Kill data type hintRichard Weinberger2012-05-201-6/+6
| | | | | | | | | | | We do not need this feature and to our shame it even was not working and there was a bug found very recently. -- Artem Bityutskiy Without the data type hint UBI2 (fastmap) will be easier to implement. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: get rid of dbg_errArtem Bityutskiy2012-05-161-15/+15
| | | | | | | | This patch removes the 'dbg_err()' macro and we now use 'ubifs_err()' instead. The idea of 'dbg_err()' was to compile out some error message to make the binary a bit smaller - but I think it was a bad idea. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: remove Kconfig debugging optionArtem Bityutskiy2012-05-161-4/+0
| | | | | | | Have the debugging stuff always compiled-in instead. It simplifies maintanance a lot. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: rename dumping functionsArtem Bityutskiy2012-05-161-55/+55
| | | | | | | | This commit re-names all functions which dump something from "dbg_dump_*()" to "ubifs_dump_*()". This is done for consistency with UBI and because this way it will be more logical once we remove the debugging sompilation option. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: get rid of dbg_dump_stackArtem Bityutskiy2012-05-161-1/+1
| | | | | | | In case of errors we almost always need the stack dump - it makes no sense to compile it out. Remove the 'dbg_dump_stack()' function completely. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: make the dbg_lock spinlock staticArtem Bityutskiy2012-02-291-1/+1
| | | | | | | Remove the usage of the 'dbg_lock' spinlock from 'dbg_err()' and make it static. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: increase dumps loglevelArtem Bityutskiy2012-02-291-204/+204
| | | | | | | | | | | | | | Most of the time we use the dumping function to dump something in case of error. We use 'KERN_DEBUG' printk level, and the drawback is that users do not see them in the console, while they see the other error messages in the console. The result is that they send bug reports which does not contain a lot of useful information. This patch changes the printk level of the dump functions to 'KERN_ERR' to correct the situation. I documented it in the MTD web site that people have to send the 'dmesg' output when submitting bug reposts - it did not help. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: fix key printingArtem Bityutskiy2012-01-131-30/+30
| | | | | | | | | | | | Before commit 56e46742e846e4de167dde0e1e1071ace1c882a5 we have had locking around all printing macros and we could use static buffers for creating key strings and printing them. However, now we do not have that locking and we cannot use static buffers. This commit removes the old DBGKEY() macros and introduces few new helper macros for printing debugging messages plus a key at the end. Thankfully, all the messages are already structures in a way that the key is printed in the end. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: use snprintf instead of sprintf when printing keysArtem Bityutskiy2012-01-131-18/+20
| | | | | | | Switch to 'snprintf()' which is more secure and reliable. This is also a preparation to the subsequent key printing fixes. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: introduce a helper to dump scanning infoArtem Bityutskiy2011-08-221-0/+16
| | | | | | | This commit adds 'dbg_dump_sleb()' helper function to dump scanning information. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
* UBIFS: improve power cut emulation testingArtem Bityutskiy2011-07-041-41/+50
| | | | | | | | | | | | This patch cleans-up and improves the power cut testing: 1. Kill custom 'simple_random()' function and use 'random32()' instead. 2. Make timeout larger 3. When cutting the buffer - fill the end with random data sometimes, not only with 0xFFs. 4. Some times cut in the middle of the buffer, not always at the end. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: rename recovery testing variablesArtem Bityutskiy2011-07-041-24/+28
| | | | | | | | Since the recovery testing is effectively about emulating power cuts by UBIFS, use "power cut" as the base term for all the related variables and name them correspondingly. This is just a minor clean-up for the sake of readability. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: remove custom list of superblocksArtem Bityutskiy2011-07-041-85/+20
| | | | | | | | | This is a clean-up of the power-cut emulation code - remove the custom list of superblocks which we maintained to find the superblock by the UBI volume descriptor. We do not need that crud any longer, because now we can get the superblock as a function argument. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: stop re-defining UBI operationsArtem Bityutskiy2011-07-041-2/+0
| | | | | | | Now when we use UBIFS helpers for all the I/O, we can remove the horrible hack of re-defining UBI I/O functions. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: remove unused and unneeded debugging functionArtem Bityutskiy2011-07-041-31/+2
| | | | | | | | | | | | | This patch contains several minor clean-up and preparational cahnges. 1. Remove 'dbg_read()', 'dbg_write()', 'dbg_change()', and 'dbg_leb_erase()' functions as they are not used. 2. Remove 'dbg_leb_read()' and 'dbg_is_mapped()' as they are not really needed, it is fine to let reads go through in failure mode. 3. Rename 'offset' argument to 'offs' to be consistent with the rest of UBIFS code. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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