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blkdev_issue_discard(9) - phpMan

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BLKDEV_ISSUE_DISCARD(9)                   Block Devices                   BLKDEV_ISSUE_DISCARD(9)



NAME
       blkdev_issue_discard - queue a discard

SYNOPSIS
       int blkdev_issue_discard(struct block_device * bdev, sector_t sector, sector_t nr_sects,
                                gfp_t gfp_mask, unsigned long flags);

ARGUMENTS
       bdev
           blockdev to issue discard for

       sector
           start sector

       nr_sects
           number of sectors to discard

       gfp_mask
           memory allocation flags (for bio_alloc)

       flags
           BLKDEV_IFL_* flags to control behaviour

DESCRIPTION
       Issue a discard request for the sectors in question.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   BLKDEV_ISSUE_DISCARD(9)


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