| commit | 1e0f7a21b2fffc70f27cc4a454c60321501045b1 | |
| author | Roger Pau Monne <roger.pau@citrix.com> | |
| Sat, 22 Jun 2013 07:59:17 +0000 (22 09:59 +0200) | ||
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | |
| Tue, 25 Jun 2013 14:00:58 +0000 (25 10:00 -0400) | ||
| tree | 0a6eb8b048e694cc4ffb69af6f94f2bd5e8105cd | treesnapshot (tar.gz zip) |
| parent | 294caaf29c26cfed3b446fb46393b8b39ea1c0d3 | commitdiff |
xen-blkback: check the number of iovecs before allocating a bios
With the introduction of indirect segments we can receive requests
with a number of segments bigger than the maximum number of allowed
iovecs in a bios, so make sure that blkback doesn't try to allocate a
bios with more iovecs than BIO_MAX_PAGES
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
With the introduction of indirect segments we can receive requests
with a number of segments bigger than the maximum number of allowed
iovecs in a bios, so make sure that blkback doesn't try to allocate a
bios with more iovecs than BIO_MAX_PAGES
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| drivers/block/xen-blkback/blkback.c | diffblobblamehistory |