diff options
author | Yuezhang Mo | 2023-01-04 14:37:47 +0800 |
---|---|---|
committer | Greg Kroah-Hartman | 2023-03-10 09:34:08 +0100 |
commit | 375009e22bd25db814adfbd1346f4ed6ca831472 (patch) | |
tree | 253a698690546699cb93fb38c7b4f1a4a7e7ba6b /fs/exfat/inode.c | |
parent | 0fb929e7553d51d8c45fdfffddca227c1e193cba (diff) |
exfat: fix inode->i_blocks for non-512 byte sector size device
commit 39c1ce8eafc0ff64fb9e28536ccc7df6a8e2999d upstream.
inode->i_blocks is not real number of blocks, but 512 byte ones.
Fixes: 98d917047e8b ("exfat: add file operations")
Cc: stable@vger.kernel.org # v5.7+
Reported-by: Wang Yugui <wangyugui@e16-tech.com>
Tested-by: Wang Yugui <wangyugui@e16-tech.com>
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/exfat/inode.c')
-rw-r--r-- | fs/exfat/inode.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 5590a1e83126..3a6d6750dbeb 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -221,8 +221,7 @@ static int exfat_map_cluster(struct inode *inode, unsigned int clu_offset, num_clusters += num_to_be_allocated; *clu = new_clu.dir; - inode->i_blocks += - num_to_be_allocated << sbi->sect_per_clus_bits; + inode->i_blocks += EXFAT_CLU_TO_B(num_to_be_allocated, sbi) >> 9; /* * Move *clu pointer along FAT chains (hole care) because the @@ -582,8 +581,7 @@ static int exfat_fill_inode(struct inode *inode, struct exfat_dir_entry *info) exfat_save_attr(inode, info->attr); - inode->i_blocks = round_up(i_size_read(inode), sbi->cluster_size) >> - inode->i_blkbits; + inode->i_blocks = round_up(i_size_read(inode), sbi->cluster_size) >> 9; inode->i_mtime = info->mtime; inode->i_ctime = info->mtime; ei->i_crtime = info->crtime; |