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* chelsio: use const for virtual functionsStephen Hemminger2007-04-28
| | | | | | | | There are several uses of _ops structure in this driver that can be converted to const. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* chelsio: use C99 style initializationStephen Hemminger2007-04-28
| | | | | | | Convert some initialized structures to C99 style. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* chelsio: remove unused code for 1G boardsStephen Hemminger2007-04-28
| | | | | | | | | | Some code for Chelsio 1G boards was put in the driver based on the vendor version (minus TOE). Well some of those board versions are only supported with TOE on the vendor driver, so additional dead code was added. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] bcm43xx: do not rebuild when kernel version changesSam Ravnborg2007-04-28
| | | | | | | | | In bcm43xx_ethtool, UTS_RELEASE is used. Replacing this with utsname()->release avoids rebuilding this module each time the kernel version changes. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] hostap: Add D-Link DWL-650 Rev. P1 product idJouni Malinen2007-04-28
| | | | | | | | | | It looks like some of the PC Card manfid/product strings were lost when Host AP driver was converted to use PCMCIA_DEVICE_* helpers. This patch adds back D-Link DWL-650 Rev. P1 using the same product ID string match as the pcmcia-cs/cardmgr configuration used before. Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] ipw2200: fix ieee80211_get_geo typoAndrew Morton2007-04-28
| | | | | | | | testing much? Cc: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] libertas: fix build breakage from netdev class_device -> deviceJohn W. Linville2007-04-28
| | | | Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] wireless: remove obsolete text filesJohn W. Linville2007-04-28
| | | | Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bcm43xx: Update Documentation/bcm43xx.txtLarry Finger2007-04-28
| | | | | | | The in-kernel documentation of the bcm43xx driver is out of date. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] hostap: use offsetof() instead of own equivalentPavel Roskin2007-04-28
| | | | | | | | | | | | The original macros result in gcc 4.2 warning about "cast from pointer to integer of different size" on 64-bit systems. Use of offsetof() on fields in substructures is widespread throughout the kernel code and should work whether offsetof() is defined using __compiler_offsetof() or a cast. Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] Marvell Libertas 8388 802.11b/g USB driverMarcelo Tosatti2007-04-28
| | | | | | | Add the Marvell Libertas 8388 802.11 USB driver. Signed-off-by: Marcelo Tosatti <marcelo@kvack.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: changed GFP_NOFS to GFP_KERNELUlrich Kunitz2007-04-28
| | | | | | | | | Michael Buesch commented that GFP_NOFS should not be used in a network driver. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] ipw2200: add channels sysfs entryZhu Yi2007-04-28
| | | | | | | | Add 'channels' sysfs entry for ipw2200. The entry exports channels information for the user space. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2007-04-27
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: sis900: Allocate rx replacement buffer before rx operation usb-net/pegasus: simplify carrier detection
| * sis900: Allocate rx replacement buffer before rx operationNeil Horman2007-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just found a hole in my last patch. It was reported to me that shortly after we integrated this patch. The report was of an oops that took place inside of netif_rx when using the sis900 driver. Looking at my origional patch I noted that there was a spot between the new skb_alloc and the refill_rx_ring label where skb got reassigned to the pointer currently held in the rx_ring for the purposes of receiveing the frame. The result of this is however that the buffer that gets passed to netif_rx (if it is called), then gets placed right back into the rx_ring. So if you receive frames fast enough the skb being processed by the network stack can get corrupted. The reporter is testing out the fix I've written for this below (I'm not near my hardware at the moment to test myself), but I wanted to post it for review ASAP. I'll post test results when I hear them, but I think this is a pretty straightforward fix. It just uses a separate pointer to do the rx operation, so that we don't improperly reassign the pointer that we use to refill the rx ring. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * usb-net/pegasus: simplify carrier detectionDan Williams2007-04-27
| | | | | | | | | | | | | | | | Simplify pegasus carrier detection; rely only on the periodic MII polling. Reverts pieces of c43c49bd61fdb9bb085ddafcaadb17d06f95ec43. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-04-27
|\ \ | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SCSI] esp_scsi.c: Fix compilation.
| * | [SCSI] esp_scsi.c: Fix compilation.Alexey Dobriyan2007-04-27
| | | | | | | | | | | | | | | | | | | | | irqreturn.h for irqreturn_t and dma_addr_t being u128 warnings ;-) Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2007-04-27
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Fix networking compilation errors [AF_RXRPC/AFS]: Arch-specific fixes. [AFS]: Fix VLocation record update wakeup [NET]: Revert sk_buff walker cleanups.
| * | [NET]: Fix networking compilation errorsDavid Howells2007-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix miscellaneous networking compilation errors. (*) Export ktime_add_ns() for modules. (*) wext_proc_init() should have an ANSI declaration. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AF_RXRPC/AFS]: Arch-specific fixes.David Howells2007-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes for various arch compilation problems: (*) Missing module exports. (*) Variable name collision when rxkad and af_rxrpc both built in (rxrpc_debug). (*) Large constant representation problem (AFS_UUID_TO_UNIX_TIME). (*) Configuration dependencies. (*) printk() format warnings. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AFS]: Fix VLocation record update wakeupDavid Howells2007-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the wakeup transitions after a VLocation record update completes one way or another. This builds on Dave Miller's partial fix. Also move wakeups outside the spinlocked sections. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET]: Revert sk_buff walker cleanups.David S. Miller2007-04-27
| |/ | | | | | | | | | | | | | | | | | | | | This reverts eefa3906283a2b60a6d02a2cda593a7d7d7946c5 The simplification made in that change works with the assumption that the 'offset' parameter to these functions is always positive or zero, which is not true. It can be and often is negative in order to access SKB header values in front of skb->data. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.infradead.org/mtd-2.6Linus Torvalds2007-04-27
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: (46 commits) [MTD] [MAPS] drivers/mtd/maps/ck804xrom.c: convert pci_module_init() [MTD] [NAND] CM-x270 MTD driver [MTD] [NAND] Wrong calculation of page number in nand_block_bad() [MTD] [MAPS] fix plat-ram printk format [JFFS2] Fix compr_rubin.c build after include file elimination. [JFFS2] Handle inodes with only a single metadata node with non-zero isize [JFFS2] Tidy up licensing/copyright boilerplate. [MTD] [OneNAND] Exit loop only when column start with 0 [MTD] [OneNAND] Fix access the past of the real oobfree array [MTD] [OneNAND] Update Samsung OneNAND official URL [JFFS2] Better fix for all-zero node headers [JFFS2] Improve read_inode memory usage, v2. [JFFS2] Improve failure mode if inode checking leaves unchecked space. [JFFS2] Fix cross-endian build. [MTD] Finish conversion mtd_blkdevs to use the kthread API [JFFS2] Obsolete dirent nodes immediately on unlink, where possible. Use menuconfig objects: MTD [MTD] mtd_blkdevs: Convert to use the kthread API [MTD] Fix fwh_lock locking [JFFS2] Speed up mount for directly-mapped NOR flash ...
| * [MTD] [MAPS] drivers/mtd/maps/ck804xrom.c: convert pci_module_init()Adrian Bunk2007-04-27
| | | | | | | | | | | | | | | | | | This patch converts the pci_module_init() usage to pci_register_driver(). It's currently #if 0'ed, but still not a bad idea to change it. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [MTD] [NAND] CM-x270 MTD driverMike Rapoport2007-04-27
| | | | | | | | | | | | | | This patch provides MTD support for NAND flash devices on CM-x270 modules. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * Merge branch 'master' of ↵David Woodhouse2007-04-27
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/mtd/Kconfig Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | [MTD] [NAND] Wrong calculation of page number in nand_block_bad()Knobloch, Thomas2007-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case that there is no memory based bad block table available the function nand_block_checkbad() in drivers/mtd/nand/nand_base.c will call nand_block_bad() directly. When parameter 'getchip' is set to zero, nand_block_bad() will not right shift the offset to calculate the correct page number. Signed-off-by: Thomas Knobloch <knobloch@siemens.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | Merge branch 'master' of ↵David Woodhouse2007-04-26
| |\ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
| * | | [MTD] [MAPS] fix plat-ram printk formatRandy Dunlap2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/mtd/maps/plat-ram.c:172: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Fix compr_rubin.c build after include file elimination.Andrew Morton2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It seems to be silly season lately. (Oops, test builds are more useful if the file in question is actually configured on. dwmw2). Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Handle inodes with only a single metadata node with non-zero isizeDavid Woodhouse2007-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This should never happen unless there's corruption on the medium and the actual data nodes go missing. But the failure mode (an oops when we assume the fragtree isn't empty and go looking for its last node) isn't useful. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Tidy up licensing/copyright boilerplate.David Woodhouse2007-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | | [MTD] [OneNAND] Exit loop only when column start with 0Adrian Hunter2007-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The JFFS2 requests OOB function from column 0. But the oobtest in nand-tests doesn't. So we only exit loop only when column start with 0. Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] [OneNAND] Fix access the past of the real oobfree arrayKyungmin Park2007-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Here it's not the case: all the entries are occupied by OOB chunks. Therefore, once we get into a loop like for (free = this->ecclayout->oobfree; free->length; ++free) { } we might end up scanning past the real oobfree array. Probably the best way out, as the same thing might happen for common NAND as well, is to check index against MTD_MAX_OOBFREE_ENTRIES. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] [OneNAND] Update Samsung OneNAND official URLKyungmin Park2007-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Update Samsung OneNAND official URL. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Better fix for all-zero node headersJoakim Tjernlund2007-04-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No need to check for all-zero header since the header cannot be zero due to other checks. Replace the all-zero header check in readinode.c with a check for the magic word. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Improve read_inode memory usage, v2.David Woodhouse2007-04-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We originally used to read every node and allocate a jffs2_tmp_dnode_info structure for each, before processing them in (reverse) version order and discarding the ones which are obsoleted by later nodes. With huge logfiles, this behaviour caused memory problems. For example, a file involved in OLPC trac #1292 has 1822391 nodes, and would cause the XO machine to run out of memory during the first stage of read_inode(). Instead of just inserting nodes into a tree in version order as we find them, we now put them into a tree in order of their offset within the file, which allows us to immediately discard nodes which are completely obsoleted. We don't use a full tree with 'fragments' pointing to the real data structure, as we do in the normal fragtree. We sort only on the start address, and add an 'overlapped' flag to the tmp_dnode_info to indicate that the node in question is (partially) overlapped by another. When the scan is complete, we start at the end of the file, adding each node to a real fragtree as before. Where the node is non-overlapped, we just add it (it doesn't matter that it's not the latest version; there is no overlap). When the node at the end of the tree _is_ overlapped, we sort it and all its overlapping nodes into version order and then add them to the fragtree in that order. This 'early discard' reduces the peak allocation of tmp_dnode_info structures from 1.8M to a mere 62872 (3.5%) in the degenerate case referenced above. This version of the patch also correctly rememembers the highest node version# seen for an inode when it's scanned. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Improve failure mode if inode checking leaves unchecked space.David Woodhouse2007-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We should never find the unchecked size is non-zero after we've finished checking all inodes. If it happens, used to BUG(), leaving the alloc_sem held and deadlocking. Instead, just return -ENOSPC after complaining. The GC thread will die, but read-only operation should be able to continue and the file system should be unmountable. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Fix cross-endian build.David Woodhouse2007-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When compiling a LE-capable JFFS2 on PowerPC, wbuf.c fails to compile: fs/jffs2/wbuf.c:973: error: braced-group within expression allowed only inside a function fs/jffs2/wbuf.c:973: error: initializer element is not constant fs/jffs2/wbuf.c:973: error: (near initialization for ‘oob_cleanmarker.magic’) fs/jffs2/wbuf.c:974: error: braced-group within expression allowed only inside a function fs/jffs2/wbuf.c:974: error: initializer element is not constant fs/jffs2/wbuf.c:974: error: (near initialization for ‘oob_cleanmarker.nodetype’) fs/jffs2/wbuf.c:975: error: braced-group within expression allowed only inside a function fs/jffs2/wbuf.c:976: error: initializer element is not constant fs/jffs2/wbuf.c:976: error: (near initialization for ‘oob_cleanmarker.totlen’) Provide constant_cpu_to_je{16,32} functions, and use them for initialising the offending structure. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] Finish conversion mtd_blkdevs to use the kthread APIChristoph Hellwig2007-04-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove waitqueue, 'exiting' flag and completion; use kthread APIs instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Obsolete dirent nodes immediately on unlink, where possible.Joakim Tjernlund2007-04-20
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | Use menuconfig objects: MTDJan Engelhardt2007-04-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use menuconfigs instead of menus, so the whole menu can be disabled at once instead of going through all options. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] mtd_blkdevs: Convert to use the kthread APIEric W. Biederman2007-04-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | thread_run is used intead of kernel_thread, daemonize, and mucking around blocking signals directly. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] Fix fwh_lock lockingShashi Rao2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is on a custom board with a mapping driver access to an ST M50LPW080 chip. This chip is probed successfully with do_map_probe("jedec_probe",...). If I use the mtdchar interface to perform unlock->erase->program->lock on any of the 16 eraseblocks in the chip, the chip is left in FL_STATUS mode while the data structures believe that the chip is in FL_READY mode. Hence, any subsequent reads to any flash byte results in 0x80 being read. Signed-off-by: Shashi Rao <shashi@sun.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Speed up mount for directly-mapped NOR flashJoakim Tjernlund2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove excessive scanning of empty flash after a clean marker for users of the point/unpoint method. cfi_cmdset_0001 uses point/unpoint by default iff flash mapping is linear. The speedup is several orders of magnitude if FS is less than half full. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] fix buffer sise calculations in jffs2_get_inode_nodes()Artem Bityutskiy2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In read inode we have an optimization which prevents one min. I/O unit (e.g. NAND page) to be read more then once. Namely, at the beginning we do not know which node type we read, so we read so we assume we read the directory entry, because it has the smallest node header. When we read it, we read up to the next min. I/O unit, just because if later we'll need to read more, we already have this data. If it turns out to be that the node is not directory entry, and we need more data, and we did not read it because it sits in the next min. I/O unit, we read the whole next (or several next) min. I/O unit(s). And if it happens to be that we read a data node, and we've read part of its data, we calculate partial CRC. So if later we need to check data CRC, we'll only read the rest of the data from further min. I/O units and continue CRC checking. This code was a bit messy and buggy. The bug was that it assumed relatively large min. I/O unit, so that the largest node header could overlap only one min. I/O unit boundary. This parch clean-ups the code a bit and fixes this bug. The patch was not tested on flash with small min. I/O unit, like NOR-ECC, nut it was tested on NAND with 512 bytes NAND page, so it at least does not break NAND. It was also tested with mtdram so it should not break NOR. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Disable summary after wbuf recoveryAdrian Hunter2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After a write error, any data in the write buffer must be relocated. This is handled by the jffs2_wbuf_recover function. This function does not fix up the erase block summary information that is collected for writing at the end of the block, which results in an incorrect summary (or BUG if the summary was found to be empty). As the summary is not essential (it is an optimisation), it may be disabled for the current erase block when this situation arises. This patch does 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>
| * | | [JFFS2] Prevent list corruption when handling write errorsAdrian Hunter2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * | | [MTD] nandsim: enhance nandsim to allow arbitrary NAND sizeAdrian Hunter2007-04-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A new module parameter has been added called 'overridesize', which overrides the size that would be determined by the ID bytes. 'overridesize' is specified in erase blocks and as the exponent of a power of two e.g. 5 means a size of 32 erase blocks. 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>
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