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block: Do away with the notion of hardsect_size

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Until now we have had a 1:1 mapping between storage device physical
block size and the logical block sized used when addressing the device.
With SATA 4KB drives coming out that will no longer be the case.  The
sector size will be 4KB but the logical block size will remain
512-bytes.  Hence we need to distinguish between the physical block size
and the logical ditto.

This patch renames hardsect_size to logical_block_size.

Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Martin K. Petersen 2009-05-22 17:17:49 -04:00 • committed by Jens Axboe
commit e1defc4ff0
54 changed files with 108 additions and 98 deletions
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4
fs/gfs2/ops_fstype.c
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@ -526,11 +526,11 @@ static int init_sb(struct gfs2_sbd *sdp, int silent)
}
/* Set up the buffer cache and SB for real */
if (sdp->sd_sb.sb_bsize < bdev_hardsect_size(sb->s_bdev)) {
if (sdp->sd_sb.sb_bsize < bdev_logical_block_size(sb->s_bdev)) {
ret = -EINVAL;
fs_err(sdp, "FS block size (%u) is too small for device "
"block size (%u)\n",
sdp->sd_sb.sb_bsize, bdev_hardsect_size(sb->s_bdev));
sdp->sd_sb.sb_bsize, bdev_logical_block_size(sb->s_bdev));
goto out;
}
if (sdp->sd_sb.sb_bsize > PAGE_SIZE) {

2
fs/gfs2/rgrp.c
View file

@ -845,7 +845,7 @@ static void gfs2_rgrp_send_discards(struct gfs2_sbd *sdp, u64 offset,
struct super_block *sb = sdp->sd_vfs;
struct block_device *bdev = sb->s_bdev;
const unsigned int sects_per_blk = sdp->sd_sb.sb_bsize /
bdev_hardsect_size(sb->s_bdev);
bdev_logical_block_size(sb->s_bdev);
u64 blk;
sector_t start = 0;
sector_t nr_sects = 0;