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authorTejun Heo <tj@kernel.org>2009-05-19 18:33:06 +0900
committerJens Axboe <jens.axboe@oracle.com>2009-05-19 11:36:08 +0200
commit4fc981ef9e7c0953d5c4896ce088b19c50cb018f (patch)
tree9efb7d762e51cb92dcee0e90ebdb76185aadebb4 /fs/splice.c
parent5f49f63178360b07a095bd33b0d850d60edf7590 (diff)
bio: always copy back data for copied kernel requests
When a read bio_copy_kern() request fails, the content of the bounce buffer is not copied back. However, as request failure doesn't necessarily mean complete failure, the buffer state can be useful. This behavior is also inconsistent with the user map counterpart and causes the subtle difference between bounced and unbounced IO causes confusion. This patch makes bio_copy_kern_endio() ignore @err and always copy back data on request completion. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Boaz Harrosh <bharrosh@panasas.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/splice.c')
0 files changed, 0 insertions, 0 deletions