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There are inode_add_bytes() and inode_set_bytes() to updata or set inode->i_blocks, this commit uses them to fix the bug. Fixes: 98d917047e8b ("exfat: add file operations") Fixes: 5f2aa075070c ("exfat: add inode operations") Fixes: 719c1e182916 ("exfat: add super block operations") Reported-by: Wang Yugui Signed-off-by: Yuezhang Mo --- fs/exfat/file.c | 3 +-- fs/exfat/inode.c | 6 ++---- fs/exfat/namei.c | 2 +- fs/exfat/super.c | 3 +-- 4 files changed, 5 insertions(+), 9 deletions(-) -- 2.25.1 diff --git a/fs/exfat/file.c b/fs/exfat/file.c index f5b29072775d..fb8be941ff00 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_set_bytes(inode, round_up(i_size_read(inode), sbi->cluster_size)); 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..97aaea4b6cfa 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_add_bytes(inode, EXFAT_CLU_TO_B(num_to_be_allocated, sbi)); /* * 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_set_bytes(inode, round_up(i_size_read(inode), sbi->cluster_size)); 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..6ad3dff43d10 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_add_bytes(inode, EXFAT_CLU_TO_B(1, sbi)); } return dentry; diff --git a/fs/exfat/super.c b/fs/exfat/super.c index 35f0305cd493..fa0e78913427 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_set_bytes(inode, round_up(i_size_read(inode), sbi->cluster_size)); 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);