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authorHugh Dickins <hugh@veritas.com>2008-09-11 10:57:55 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 08:56:17 +0200
commit3e6053d76dcbd92b2f9f4ad5ece9bce83149523e (patch)
tree0e7ab62872071c39e2475decb769b9715de75376 /fs/bio.c
parent4677735f03f5b6b6f2182f457a921855cadfb85b (diff)
block: adjust blkdev_issue_discard for swap
Two mods to blkdev_issue_discard(), thinking ahead to its use on swap: 1. Add gfp_mask argument, so swap allocation can use it where GFP_KERNEL might deadlock but GFP_NOIO is safe. 2. Enlarge nr_sects argument from unsigned to sector_t: unsigned long is enough to cover a whole swap area, but sector_t suits any partition. Change sb_issue_discard()'s nr_blocks to sector_t too; but no need seen for a gfp_mask there, just pass GFP_KERNEL down to blkdev_issue_discard(). Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/bio.c')
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