diff options
| author | Yuezhang Mo <Yuezhang.Mo@sony.com> | 2023-01-04 09:37:47 +0300 |
|---|---|---|
| committer | Namjae Jeon <linkinjeon@kernel.org> | 2023-02-27 15:14:45 +0300 |
| commit | 39c1ce8eafc0ff64fb9e28536ccc7df6a8e2999d (patch) | |
| tree | badb112dfa32ee543e7c91671d656065b26f4ea7 | |
| parent | bdaadfd343e3cba49ad0b009ff4b148dad0fa404 (diff) | |
| download | linux-39c1ce8eafc0ff64fb9e28536ccc7df6a8e2999d.tar.xz | |
exfat: fix inode->i_blocks for non-512 byte sector size device
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>
| -rw-r--r-- | fs/exfat/file.c | 3 | ||||
| -rw-r--r-- | fs/exfat/inode.c | 6 | ||||
| -rw-r--r-- | fs/exfat/namei.c | 2 | ||||
| -rw-r--r-- | fs/exfat/super.c | 3 |
4 files changed, 5 insertions, 9 deletions
diff --git a/fs/exfat/file.c b/fs/exfat/file.c index f5b29072775d..b33431c74c8a 100644 --- a/fs/exfat/file.c +++ b/fs/exfat/file.c @@ -209,8 +209,7 @@ void exfat_truncate(struct inode *inode) if (err) goto write_size; - 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; write_size: aligned_size = i_size_read(inode); if (aligned_size & (blocksize - 1)) { diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 5b644cb057fa..481dd338f2b8 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -220,8 +220,7 @@ 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 @@ -576,8 +575,7 @@ 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; diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index 5f995eba5dbb..7442fead0279 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -396,7 +396,7 @@ static int exfat_find_empty_entry(struct inode *inode, ei->i_size_ondisk += sbi->cluster_size; ei->i_size_aligned += sbi->cluster_size; ei->flags = p_dir->flags; - inode->i_blocks += 1 << sbi->sect_per_clus_bits; + inode->i_blocks += sbi->cluster_size >> 9; } return dentry; diff --git a/fs/exfat/super.c b/fs/exfat/super.c index 35f0305cd493..8c32460e031e 100644 --- a/fs/exfat/super.c +++ b/fs/exfat/super.c @@ -373,8 +373,7 @@ static int exfat_read_root(struct inode *inode) inode->i_op = &exfat_dir_inode_operations; inode->i_fop = &exfat_dir_operations; - 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; ei->i_pos = ((loff_t)sbi->root_dir << 32) | 0xffffffff; ei->i_size_aligned = i_size_read(inode); ei->i_size_ondisk = i_size_read(inode); |