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- add lo->lo_blocksize
- kill lo_get_bs() - great name, but...
- set ->lo_device only if we do have a block device
- pull determination of ->lo_blocksize into both branches - bdev
variant gets it from lo_device and file one uses ->i_blocksize.
- switched the ioctl getting information about underlying object
to lo->lo_device ? stat.rdev : stat.dev
- i.e. st_rdev of underlying object if it's a device and st_dev - if it's
a file.
- reverted the bogosity in shmem.c
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From Peter Chubb
Compaq Smart array sector_t cleanup: prepare for possible 64-bit sector_t
Clean up loop device to allow huge backing files.
MD transition to 64-bit sector_t.
- Hold sizes and offsets as sector_t not int;
- use 64-bit arithmetic if necessary to map block-in-raid to zone
and block-in-zone
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This makes loop honor the queue restrictions by basically stacking all
of those, and mirroring the merge_bvec_fn() on the target queue. It also
switches loop to use per-loop device queues, since that is the only sane
way to do this from a performance POV. Also, in principle I find it to
be much nicer if every distinct block device has its own queue.
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Fix the loop driver for loop-on-blockdev setups.
When presented with a multipage BIO, loop_make_request overindexes the
first page and corrupts kernel memory. Fix it to walk the individual
pages.
BTW, I suspect the IV handling in loop may be incorrect for multipage
BIOs. Should we not be recalculating the IV for each page in the BIOs,
or incrementing the offset by the size of the preceding pages, or such?
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- block/loop.c - switch ->lo_device to struct block_device *.
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- Greg KH: USB update
- Richard Gooch: refcounting for devfs
- Jens Axboe: start of new block IO layer
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- Neil Brown: md cleanups/fixes
- Andrew Morton: console locking merge
- Andrea Arkangeli: major VM merge
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- Anton Altaparmakov: NTFS error checking
- Johannes Erdfelt: USB updates
- OGAWA Hirofumi: FAT update
- Alan Cox: driver + s390 update merge
- Richard Henderson: fix alpha sigsuspend error return value
- Marcelo Tosatti: per-zone VM shortage
- Daniel Phillips: generic use-once optimization instead of drop-behind
- Bjorn Wesen: Cris architecture update
- Anton Altaparmakov: support for Windows Dynamic Disks
- James Washer: LDT loading SMP bug fix
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- Alan Cox: continued merging
- Urban Widmark: smbfs fix (d_add on already hashed dentry - no-no).
- Andrew Morton: 3c59x update
- Jeff Garzik: network driver cleanups and fixes
- Gérard Roudier: sym-ncr drivers update
- Jens Axboe: more loop cleanups and fixes
- David Miller: sparc update, some networking fixes
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- Jens Axboe: fix loop device deadlocks
- Greg KH: USB updates
- Alan Cox: continued merging
- Tim Waugh: parport and documentation updates
- Cort Dougan: PowerPC merge
- Jeff Garzik: network driver updates
- Justin Gibbs: new and much improved aic7xxx driver 6.1.5
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