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authorChristoph Hellwig <hch@lst.de>2021-10-18 12:11:28 +0200
committerJens Axboe <axboe@kernel.dk>2021-10-18 14:43:23 -0600
commitab70041731a6c2f153120e47746fb303aa6f237a (patch)
treecb546cfe9303d6fb8540969c2d63967e777594a5 /fs/ntfs
parentjfs: use sb_bdev_nr_blocks (diff)
downloadlinux-dev-ab70041731a6c2f153120e47746fb303aa6f237a.tar.xz
linux-dev-ab70041731a6c2f153120e47746fb303aa6f237a.zip
ntfs: use sb_bdev_nr_blocks
Use the sb_bdev_nr_blocks helper instead of open coding it and clean up ntfs_fill_super a bit by moving an assignment a little earlier that has no negative side effects. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Anton Altaparmakov <anton@tuxera.com> Link: https://lore.kernel.org/r/20211018101130.1838532-29-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/ntfs')
-rw-r--r--fs/ntfs/super.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 0d7e948cb29c..5ae8de09b271 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -2772,13 +2772,12 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
ntfs_debug("Set device block size to %i bytes (block size bits %i).",
blocksize, sb->s_blocksize_bits);
/* Determine the size of the device in units of block_size bytes. */
- if (!i_size_read(sb->s_bdev->bd_inode)) {
+ vol->nr_blocks = sb_bdev_nr_blocks(sb);
+ if (!vol->nr_blocks) {
if (!silent)
ntfs_error(sb, "Unable to determine device size.");
goto err_out_now;
}
- vol->nr_blocks = i_size_read(sb->s_bdev->bd_inode) >>
- sb->s_blocksize_bits;
/* Read the boot sector and return unlocked buffer head to it. */
if (!(bh = read_ntfs_boot_sector(sb, silent))) {
if (!silent)
@@ -2816,8 +2815,7 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
goto err_out_now;
}
BUG_ON(blocksize != sb->s_blocksize);
- vol->nr_blocks = i_size_read(sb->s_bdev->bd_inode) >>
- sb->s_blocksize_bits;
+ vol->nr_blocks = sb_bdev_nr_blocks(sb);
ntfs_debug("Changed device block size to %i bytes (block size "
"bits %i) to match volume sector size.",
blocksize, sb->s_blocksize_bits);