block: Do away with the notion of hardsect_size
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 <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/bio.c b/fs/bio.c
index 81dc93e..4445c38 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1490,11 +1490,12 @@
sector_t bio_sector_offset(struct bio *bio, unsigned short index,
unsigned int offset)
{
- unsigned int sector_sz = queue_hardsect_size(bio->bi_bdev->bd_disk->queue);
+ unsigned int sector_sz;
struct bio_vec *bv;
sector_t sectors;
int i;
+ sector_sz = queue_logical_block_size(bio->bi_bdev->bd_disk->queue);
sectors = 0;
if (index >= bio->bi_idx)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index a85fe31..a29b4dc 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -76,7 +76,7 @@
return -EINVAL;
/* Size cannot be smaller than the size supported by the device */
- if (size < bdev_hardsect_size(bdev))
+ if (size < bdev_logical_block_size(bdev))
return -EINVAL;
/* Don't change the size if it is same as current */
@@ -106,7 +106,7 @@
int sb_min_blocksize(struct super_block *sb, int size)
{
- int minsize = bdev_hardsect_size(sb->s_bdev);
+ int minsize = bdev_logical_block_size(sb->s_bdev);
if (size < minsize)
size = minsize;
return sb_set_blocksize(sb, size);
@@ -1117,7 +1117,7 @@
void bd_set_size(struct block_device *bdev, loff_t size)
{
- unsigned bsize = bdev_hardsect_size(bdev);
+ unsigned bsize = bdev_logical_block_size(bdev);
bdev->bd_inode->i_size = size;
while (bsize < PAGE_CACHE_SIZE) {
diff --git a/fs/buffer.c b/fs/buffer.c
index aed2977..36e2bbc 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1085,12 +1085,12 @@
__getblk_slow(struct block_device *bdev, sector_t block, int size)
{
/* Size must be multiple of hard sectorsize */
- if (unlikely(size & (bdev_hardsect_size(bdev)-1) ||
+ if (unlikely(size & (bdev_logical_block_size(bdev)-1) ||
(size < 512 || size > PAGE_SIZE))) {
printk(KERN_ERR "getblk(): invalid block size %d requested\n",
size);
- printk(KERN_ERR "hardsect size: %d\n",
- bdev_hardsect_size(bdev));
+ printk(KERN_ERR "logical block size: %d\n",
+ bdev_logical_block_size(bdev));
dump_stack();
return NULL;
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 05763bb..8b10b87 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1127,7 +1127,7 @@
rw = WRITE_ODIRECT;
if (bdev)
- bdev_blkbits = blksize_bits(bdev_hardsect_size(bdev));
+ bdev_blkbits = blksize_bits(bdev_logical_block_size(bdev));
if (offset & blocksize_mask) {
if (bdev)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 599dbfe..acbb94f 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1696,7 +1696,7 @@
goto failed_mount;
}
- hblock = bdev_hardsect_size(sb->s_bdev);
+ hblock = bdev_logical_block_size(sb->s_bdev);
if (sb->s_blocksize != blocksize) {
/*
* Make sure the blocksize for the filesystem is larger
@@ -2119,7 +2119,7 @@
}
blocksize = sb->s_blocksize;
- hblock = bdev_hardsect_size(bdev);
+ hblock = bdev_logical_block_size(bdev);
if (blocksize < hblock) {
printk(KERN_ERR
"EXT3-fs: blocksize too small for journal device.\n");
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 2958f4e..a30549f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2962,7 +2962,7 @@
}
blocksize = sb->s_blocksize;
- hblock = bdev_hardsect_size(bdev);
+ hblock = bdev_logical_block_size(bdev);
if (blocksize < hblock) {
printk(KERN_ERR
"EXT4-fs: blocksize too small for journal device.\n");
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 1ff9473..a3b2ac9 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -526,11 +526,11 @@
}
/* 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) {
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 5650382..a971d24 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -845,7 +845,7 @@
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;
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 7f65b3b..a91f15b 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -515,7 +515,7 @@
blocksize = BLOCK_SIZE << le32_to_cpu(sbp->s_log_block_size);
if (sb->s_blocksize != blocksize) {
- int hw_blocksize = bdev_hardsect_size(sb->s_bdev);
+ int hw_blocksize = bdev_logical_block_size(sb->s_bdev);
if (blocksize < hw_blocksize) {
printk(KERN_ERR
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index f76951d..6aa7c47 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -25,7 +25,7 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/spinlock.h>
-#include <linux/blkdev.h> /* For bdev_hardsect_size(). */
+#include <linux/blkdev.h> /* For bdev_logical_block_size(). */
#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
@@ -2785,13 +2785,13 @@
goto err_out_now;
/* We support sector sizes up to the PAGE_CACHE_SIZE. */
- if (bdev_hardsect_size(sb->s_bdev) > PAGE_CACHE_SIZE) {
+ if (bdev_logical_block_size(sb->s_bdev) > PAGE_CACHE_SIZE) {
if (!silent)
ntfs_error(sb, "Device has unsupported sector size "
"(%i). The maximum supported sector "
"size on this architecture is %lu "
"bytes.",
- bdev_hardsect_size(sb->s_bdev),
+ bdev_logical_block_size(sb->s_bdev),
PAGE_CACHE_SIZE);
goto err_out_now;
}
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 4f85ece..09cc25d 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1371,7 +1371,7 @@
bdevname(reg->hr_bdev, reg->hr_dev_name);
- sectsize = bdev_hardsect_size(reg->hr_bdev);
+ sectsize = bdev_logical_block_size(reg->hr_bdev);
if (sectsize != reg->hr_block_bytes) {
mlog(ML_ERROR,
"blocksize %u incorrect for device, expected %d",
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 79ff8d9..5c6163f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -713,7 +713,7 @@
*bh = NULL;
/* may be > 512 */
- *sector_size = bdev_hardsect_size(sb->s_bdev);
+ *sector_size = bdev_logical_block_size(sb->s_bdev);
if (*sector_size > OCFS2_MAX_BLOCKSIZE) {
mlog(ML_ERROR, "Hardware sector size too large: %d (max=%d)\n",
*sector_size, OCFS2_MAX_BLOCKSIZE);
diff --git a/fs/partitions/ibm.c b/fs/partitions/ibm.c
index 4629768..fc71aab 100644
--- a/fs/partitions/ibm.c
+++ b/fs/partitions/ibm.c
@@ -76,7 +76,7 @@
Sector sect;
res = 0;
- blocksize = bdev_hardsect_size(bdev);
+ blocksize = bdev_logical_block_size(bdev);
if (blocksize <= 0)
goto out_exit;
i_size = i_size_read(bdev->bd_inode);
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 7965118..0028d2e 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -110,7 +110,7 @@
Sector sect;
unsigned char *data;
u32 this_sector, this_size;
- int sector_size = bdev_hardsect_size(bdev) / 512;
+ int sector_size = bdev_logical_block_size(bdev) / 512;
int loopct = 0; /* number of links followed
without finding a data partition */
int i;
@@ -415,7 +415,7 @@
int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
{
- int sector_size = bdev_hardsect_size(bdev) / 512;
+ int sector_size = bdev_logical_block_size(bdev) / 512;
Sector sect;
unsigned char *data;
struct partition *p;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 72348cc..0ba4410 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1915,7 +1915,7 @@
if (uopt.flags & (1 << UDF_FLAG_BLOCKSIZE_SET)) {
ret = udf_load_vrs(sb, &uopt, silent, &fileset);
} else {
- uopt.blocksize = bdev_hardsect_size(sb->s_bdev);
+ uopt.blocksize = bdev_logical_block_size(sb->s_bdev);
ret = udf_load_vrs(sb, &uopt, silent, &fileset);
if (!ret && uopt.blocksize != UDF_DEFAULT_BLOCKSIZE) {
if (!silent)
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index e28800a..1418b91 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1501,7 +1501,7 @@
struct block_device *bdev)
{
return xfs_setsize_buftarg_flags(btp,
- PAGE_CACHE_SIZE, bdev_hardsect_size(bdev), 0);
+ PAGE_CACHE_SIZE, bdev_logical_block_size(bdev), 0);
}
int