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| author | Chen, Kenneth W | 2007-01-23 05:40:43 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2007-01-23 16:52:06 +0100 |
| commit | cda9205da24aeaa8fb086b0fb85cdf39571ecc3f (patch) | |
| tree | c302c3d0b0558d3fc5ac0b5750e4f8150517ece5 /drivers/char/riscom8.c | |
| parent | [PATCH] rtc-sh: act on rtc_wkalrm.enabled when setting an alarm (diff) | |
| download | kernel-qcow2-linux-cda9205da24aeaa8fb086b0fb85cdf39571ecc3f.tar.gz kernel-qcow2-linux-cda9205da24aeaa8fb086b0fb85cdf39571ecc3f.tar.xz kernel-qcow2-linux-cda9205da24aeaa8fb086b0fb85cdf39571ecc3f.zip | |
[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/riscom8.c')
0 files changed, 0 insertions, 0 deletions