block: read i_size with i_size_read()

[pandora-kernel.git] / drivers / md / md.c

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4e957f3..324a366 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -706,7 +706,7 @@ static struct mdk_personality *find_pers(int level, char *clevel)
 /* return the offset of the super block in 512byte sectors */
 static inline sector_t calc_dev_sboffset(struct block_device *bdev)
 {
-       sector_t num_sectors = bdev->bd_inode->i_size / 512;
+       sector_t num_sectors = i_size_read(bdev->bd_inode) / 512;
        return MD_NEW_SIZE_SECTORS(num_sectors);
 }
 
@@ -1386,7 +1386,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
         */
        switch(minor_version) {
        case 0:
-               sb_start = rdev->bdev->bd_inode->i_size >> 9;
+               sb_start = i_size_read(rdev->bdev->bd_inode) >> 9;
                sb_start -= 8*2;
                sb_start &= ~(sector_t)(4*2-1);
                break;
@@ -1472,7 +1472,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
                        ret = 0;
        }
        if (minor_version)
-               rdev->sectors = (rdev->bdev->bd_inode->i_size >> 9) -
+               rdev->sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) -
                        le64_to_cpu(sb->data_offset);
        else
                rdev->sectors = rdev->sb_start;
@@ -1680,7 +1680,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
                return 0; /* component must fit device */
        if (rdev->sb_start < rdev->data_offset) {
                /* minor versions 1 and 2; superblock before data */
-               max_sectors = rdev->bdev->bd_inode->i_size >> 9;
+               max_sectors = i_size_read(rdev->bdev->bd_inode) >> 9;
                max_sectors -= rdev->data_offset;
                if (!num_sectors || num_sectors > max_sectors)
                        num_sectors = max_sectors;
@@ -1690,7 +1690,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
        } else {
                /* minor version 0; superblock after data */
                sector_t sb_start;
-               sb_start = (rdev->bdev->bd_inode->i_size >> 9) - 8*2;
+               sb_start = (i_size_read(rdev->bdev->bd_inode) >> 9) - 8*2;
                sb_start &= ~(sector_t)(4*2 - 1);
                max_sectors = rdev->sectors + sb_start - rdev->sb_start;
                if (!num_sectors || num_sectors > max_sectors)
@@ -2584,7 +2584,7 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len)
                        if (!sectors)
                                return -EBUSY;
                } else if (!sectors)
-                       sectors = (rdev->bdev->bd_inode->i_size >> 9) -
+                       sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) -
                                rdev->data_offset;
        }
        if (sectors < my_mddev->dev_sectors)
@@ -2797,7 +2797,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
 
        kobject_init(&rdev->kobj, &rdev_ktype);
 
-       size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS;
+       size = i_size_read(rdev->bdev->bd_inode) >> BLOCK_SIZE_BITS;
        if (!size) {
                printk(KERN_WARNING 
                        "md: %s has zero or unknown size, marking faulty!\n",
@@ -5235,8 +5235,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 
                if (!mddev->persistent) {
                        printk(KERN_INFO "md: nonpersistent superblock ...\n");
-                       rdev->sb_start = rdev->bdev->bd_inode->i_size / 512;
-               } else 
+                       rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512;
+               } else
                        rdev->sb_start = calc_dev_sboffset(rdev->bdev);
                rdev->sectors = rdev->sb_start;
 
@@ -5306,7 +5306,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
        if (mddev->persistent)
                rdev->sb_start = calc_dev_sboffset(rdev->bdev);
        else
-               rdev->sb_start = rdev->bdev->bd_inode->i_size / 512;
+               rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512;
 
        rdev->sectors = rdev->sb_start;