- 11 Sep, 2005 11 commits
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Ian E. Morgan authored
New SBC8360 watchdog driver patch From: Ian E. Morgan <imorgan@webcon.ca> Signed-off-by:
Wim Van Sebroeck <wim@iguana.be> Signed-off-by:
Andrew Morton <akpm@osdl.org>
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Wim Van Sebroeck authored
The device/watchdog has a fixed timeout/heartbeat. So we don't support the WDIOC_SETTIMEOUT ioctl call and we also may not set the WDIOF_SETTIMEOUT flag. Cc: Andrey Panin <pazke@donpac.ru> Cc: Andrew Morton <akpm@osdl.org> Signed-off-by: -
Andrew Morton authored
Add fixed timeout comments Cc: Andrey Panin <pazke@donpac.ru> Signed-off-by:
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Andrey Panin authored
This patch adds driver for IBM Automatic Server Restart watchdog hardware found in some IBM eServer xSeries machines. This driver is based on the ugly driver provided by IBM. Driver was tested on IBM eServer 226. Signed-off-by:
Andrey Panin <pazke@donpac.ru> Signed-off-by:
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David Hardeman authored
the attached patch moves the content of drivers/char/watchdog/i6300.h into drivers/char/watchdog/i6300.c, since it is the only file using the defines there is no real reason to have a separate header. Also cleaned up the comments a bit and added myself to the copyright holders. Signed-off-by:
David Hardeman <david@2gen.com> Signed-off-by:
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Jiri Slaby authored
In i6300esb.c watchdog card driver were 2 bugs (misused pc_match_device and pci_dev_put wasn't called in one error case) and one little cleanup was done (long line was converted to a shorter one with using built-in macro). Signed-off-by:
Jiri Slaby <xslaby@fi.muni.cz> Signed-off-by:
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Naveen Gupta authored
One pci_dev_put was misused (there was one case without putting the device). Changed nowayout according to other drivers. Signed-off-by:
Naveen Gupta <ngupta@google.com> Signed-off-by:
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Naveen Gupta authored
This patch writes into bit 8 of the reload register to perform the correct 'Reload Sequence' instead of writing into bit 4 of Watchdog for Intel 6300ESB chipset. Signed-off-by:
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Naveen Gupta authored
This patch sets the WDT_ENABLE bit of the Lock Register to enable the watchdog and WDT_LOCK bit only if nowayout is set. The old code always sets the WDT_LOCK bit of watchdog timer for Intel 6300ESB chipset. So, we end up locking the watchdog instead of enabling it. Signed-off-by:
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Jiri Slaby authored
This patch changes pci_find_device to pci_get_device (encapsulated in for_each_pci_dev) in i6300esb watchdog card with appropriate adding pci_dev_put. Generated in 2.6.13-rc5-mm1 kernel version. Signed-off-by:
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David Hardeman authored
I wrote earlier to the list[1] asking for a driver for the watchdog included in the 6300ESB chipset. I got a 2.4 driver via private email from Ross Biro which I've changed into what I hope resembles a 2.6 driver (which was done by looking a lot at the watchdog drivers already in the 2.6 tree). I've attached the result, and I'm hoping to get some feedback on the coding as a first step. I can't actually test it on the hardware right now as I won't have physical access until April. So my own tests have been limited to "compiles-without-warnings" and "can-be-insmodded-in-other-machine-without-oops". [1] http://marc.theaimsgroup.com/?l=linux-kernel&m=110711079825794&w=2 [2] http://marc.theaimsgroup.com/?l=linux-kernel&m=110711973917746&w=2Signed-off-by:
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- 10 Sep, 2005 3 commits
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James Chapman authored
Add mv64x60 (Marvell Discovery) watchdog support. Signed-off-by:
James Chapman <jchapman@katalix.com> Signed-off-by:
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Wim Van Sebroeck authored
Clean the Kconfig+Makefile according to a sorted list of the drivers of each architecture (and sub-architecture). Signed-off-by: -
Arnaud Patard (Rtp) authored
I've noticed that the patch from Ben Dooks (commit af4bb822 on your git tree) is introducing a warning. It's using 'u32 state' instead of 'pm_message_t state'. I've attached a one liner to fix it. Signed-Off-By:
Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by:
Ben Dooks <ben-linux@fluff.org> Signed-off-by:
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- 09 Sep, 2005 26 commits
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NeilBrown authored
This shouldn't be a BUG. We should cope. Signed-off-by:
Neil Brown <neilb@suse.de> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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NeilBrown authored
If you try to assemble an array with too many missing devices, raid10 will now reject the attempt, instead of allowing it. Also check when hot-adding a drive and refuse the hot-add if the array is beyond hope. Signed-off-by:
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NeilBrown authored
There was another case where sb_size wasn't being set, so instead do the sensible thing and set if when filling in the content of a superblock. That ensures that whenever we write a superblock, the sb_size MUST be set. Signed-off-by:
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NeilBrown authored
[PATCH] md: make sure the new 'sb_size' is set properly device added without pre-existing superblock. There are two ways to add devices to an md/raid array. It can have superblock written to it, and then given to the md driver, which will read the superblock (the new way) or md can be told (through SET_ARRAY_INFO) the shape of the array, and the told about individual drives, and md will create the required superblock (the old way). The newly introduced sb_size was only set for drives being added the new way, not the old ways. Oops :-( Signed-off-by:
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NeilBrown authored
Just like failed drives have (F), so spare drives now have (S). Signed-off-by:
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NeilBrown authored
Leave it unchanged if the original (0.90) is used, incase it might be a compatability problem. Signed-off-by:
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NeilBrown authored
Doh. I want the physical hard-sector-size, not the current block size... Signed-off-by:
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NeilBrown authored
On reflection, a better default location for hot-adding bitmaps with version-1 superblocks is immediately after the superblock. There might not be much room there, but there is usually atleast 3k, and that is a good start. Signed-off-by:
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NeilBrown authored
The bitmap code used to have two daemons, so there is some 'common' start/stop code. But now there is only one, so the common code is just noise. This patch tidies this up somewhat. Signed-off-by:
Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
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NeilBrown authored
mddev->bitmap gets clearred before the writeback daemon is stopped. So the write_back daemon needs to be careful not to dereference the 'bitmap' if it is NULL. Signed-off-by:
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NeilBrown authored
Switch MD to use the kthread infrastructure, to simplify the code and get rid of tasklist_lock abuse in md_unregister_thread. Also don't flush signals in md_thread, as the called thread will always do that. Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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NeilBrown authored
This is a direct port of the raid5 patch. Signed-off-by:
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NeilBrown authored
Most awkward part of this is delaying write requests until bitmap updates have been flushed. To achieve this, we have a sequence number (seq_flush) which is incremented each time the raid5 is unplugged. If the raid thread notices that this has changed, it flushes bitmap changes, and assigned the value of seq_flush to seq_write. When a write request arrives, it is given the number from seq_write, and that write request may not complete until seq_flush is larger than the saved seq number. We have a new queue for storing stripes which are waiting for a bitmap flush and an extra flag for stripes to record if the write was 'degraded' and so should not clear the a bit in the bitmap. Signed-off-by:
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NeilBrown authored
version-1 superblocks are not (normally) 4K long, and can be of variable size. Writing the full 4K can cause corruption (but only in non-default configurations). With this patch the super-block-flavour can choose a size to read, and set a size to write based on what it finds. Signed-off-by:
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NeilBrown authored
These inlines haven't been used for ages, they should go. Signed-off-by:
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NeilBrown authored
read_sb_page() assumed that if sync_page_io fails, the device would be marked faultly. However it isn't. So in the face of error, read_sb_page would loop forever. Redo the logic so that this cannot happen. Signed-off-by:
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NeilBrown authored
As this is used to flag an internal bitmap. Also, introduce symbolic names for feature bits. Signed-off-by:
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NeilBrown authored
It is possibly (and occasionally useful) to have a raid1 without persistent superblocks. The code in add_new_disk for adding a device to such an array always tries to read a superblock. This will obviously fail. So do the appropriate test and call md_import_device with appropriate args. Signed-off-by:
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NeilBrown authored
When hot-adding a bitmap, bitmap_daemon_work could get called while the bitmap is being created, so don't set mddev->bitmap until the bitmap is ready. This requires freeing the bitmap inside bitmap_create if creation failed part-way through. Signed-off-by:
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NeilBrown authored
The 'lastrun' time wasn't being initialised, so it could be half a jiffie-cycle before it seemed to be time to do work again. Signed-off-by:
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NeilBrown authored
A state of 0 mean 'not quiesced' A state of 1 means 'is quiesced' The original code got this wrong. Signed-off-by:
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NeilBrown authored
linear currently uses division by the size of the smallest componenet device to find which device a request goes to. If that smallest device is larger than 2 terabytes, then the division will not work on some systems. So we introduce a pre-shift, and take care not to make the hash table too large, much like the code in raid0. Also get rid of conf->nr_zones, which is not needed. Signed-off-by:
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NeilBrown authored
If a device is flagged 'WriteMostly' and the array has a bitmap, and the bitmap superblock indicates that write_behind is allowed, then write_behind is enabled for WriteMostly devices. Write requests will be acknowledges as complete to the caller (via b_end_io) when all non-WriteMostly devices have completed the write, but will not be cleared from the bitmap until all devices complete. This requires memory allocation to make a local copy of the data being written. If there is insufficient memory, then we fall-back on normal write semantics. Signed-Off-By:
Paul Clements <paul.clements@steeleye.com> Signed-off-by:
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NeilBrown authored
This allows a device in a raid1 to be marked as "write mostly". Read requests will only be sent if there is no other option. Signed-off-by:
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NeilBrown authored
Both file-bitmaps and superblock bitmaps are supported. If you add a bitmap file on the array device, you lose. This introduces a 'default_bitmap_offset' field in mddev, as the ioctl used for adding a superblock bitmap doesn't have room for giving an offset. Later, this value will be setable via sysfs. Signed-off-by:
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NeilBrown authored
When we find a 'stale' bitmap, possibly because it is new, we should just assume every bit needs to be set, but rather base the setting of bits on the current state of the array (degraded and recovery_cp). Signed-off-by:
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