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authorChen, Kenneth W <kenneth.w.chen@intel.com>2007-01-23 07:40:43 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-01-23 18:52:06 +0300
commitcda9205da24aeaa8fb086b0fb85cdf39571ecc3f (patch)
treec302c3d0b0558d3fc5ac0b5750e4f8150517ece5 /drivers/char/tlclk.c
parent15c945c3d0913d73a7d57d7a0a3c4e2902598cc6 (diff)
downloadlinux-cda9205da24aeaa8fb086b0fb85cdf39571ecc3f.tar.xz
[PATCH] fix blk_direct_IO bio preparation
For large size DIO that needs multiple bio, one full page worth of data was lost at the boundary of bio's maximum sector or segment limits. After a bio is full and got submitted. The outer while (nbytes) { ... } loop will allocate a new bio and just march on to index into next page. It just forgets about the page that bio_add_page() rejected when previous bio is full. Fix it by put the rejected page back to pvec so we pick it up again for the next bio. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/tlclk.c')
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