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The blk_rq_unmap_user() API is not very nice. It expects the caller to
know that rq->bio has to be reset to the original bio, and it will
silently do nothing if that is not done. Instead make it explicit that
we need to pass in the first bio, by expecting a bio argument.
Signed-off-by: Jens Axboe <[email protected]>
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Run this:
#!/bin/sh
for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do
echo "De-casting $f..."
perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f
done
And then go through and reinstate those cases where code is casting pointers
to non-pointers.
And then drop a few hunks which conflicted with outstanding work.
Cc: Russell King <[email protected]>, Ian Molton <[email protected]>
Cc: Mikael Starvik <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Cc: Roman Zippel <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Jeff Dike <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Paul Fulghum <[email protected]>
Cc: Alan Cox <[email protected]>
Cc: Karsten Keil <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: Jeff Garzik <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Ian Kent <[email protected]>
Cc: Steven French <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Jaroslav Kysela <[email protected]>
Cc: Takashi Iwai <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This patch modifies blk_rq_map/unmap_user() and the cdrom and scsi_ioctl.c
users so that it supports requests larger than bio by chaining them together.
Signed-off-by: Mike Christie <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Many files include the filename at the beginning, serveral used a wrong one.
Signed-off-by: Uwe Zeisberger <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
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Right now ->flags is a bit of a mess: some are request types, and
others are just modifiers. Clean this up by splitting it into
->cmd_type and ->cmd_flags. This allows introduction of generic
Linux block message types, useful for sending generic Linux commands
to block devices.
Signed-off-by: Jens Axboe <[email protected]>
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The code really means to mask off the high bits, not assign 0xff.
Signed-off-by: Jens Axboe <[email protected]>
Cc: Marcus Meissner <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: Jörn Engel <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
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Some time ago the cdrom open routine was changed so that we call the
driver's open routine before checking to see if it is read only. However,
if we discovered that a read write open was not possible and the open
flags required a writable open, we just returned -EROFS without calling
the driver's release routine. This seems to work for most cdrom drivers,
but breaks the Powerpc iSeries virtual cdrom rather badly.
This just inserts the release call in the error path to balance the call
to "->open()" done by "open_for_data()".
Signed-off-by: Stephen Rothwell <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Since early 2.4.x all cdrom drivers implement the block_device methods
themselves, so they can handle additional ioctls directly instead of going
through the cdrom layer.
Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Jens Axboe <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Add a small helper for each ioctl to cut down cdrom_ioctl to a readable
size.
Signed-off-by: Christoph Hellwig <[email protected]>
Cc: Acked-by: Jens Axboe <[email protected]>
Signed-off-by: Benoit Boissinot <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This triggers all the time with the various polled event programs,
change it to CD_OPEN so it's supressed by default.
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Original From: Mike Christie <[email protected]>
Modified to split out block changes (this patch) and SCSI pieces.
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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Change the blk_rq_map_user() and blk_rq_map_kern() interface to require
a previously allocated request to be passed in. This is both more efficient
for multiple iterations of mapping data to the same request, and it is also
a much nicer API.
Signed-off-by: Jens Axboe <[email protected]>
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Only issue a cdrom cache flush if we've done write to the drive. The
->media_written() flag keeps track of that.
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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