diff options
| author | Yuezhang Mo <Yuezhang.Mo@sony.com> | 2022-03-28 16:37:58 +0800 |
|---|---|---|
| committer | Namjae Jeon <linkinjeon@kernel.org> | 2022-12-12 11:02:51 +0900 |
| commit | f7cde96710a4362dca199458d3de04f631178453 (patch) | |
| tree | 318ea089012f1a39803b0cffc9bb183f4dc180d0 /fs/exfat | |
| parent | e981917b3fae689e9372647a38746444205bb905 (diff) | |
| download | lwn-f7cde96710a4362dca199458d3de04f631178453.tar.gz lwn-f7cde96710a4362dca199458d3de04f631178453.zip | |
exfat: remove i_size_write() from __exfat_truncate()
The file/directory size is updated into inode by i_size_write()
before __exfat_truncate() is called, so it is redundant to
re-update by i_size_write() in __exfat_truncate().
Code refinement, no functional changes.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Reviewed-by: Andy Wu <Andy.Wu@sony.com>
Reviewed-by: Aoyama Wataru <wataru.aoyama@sony.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Diffstat (limited to 'fs/exfat')
| -rw-r--r-- | fs/exfat/exfat_fs.h | 2 | ||||
| -rw-r--r-- | fs/exfat/file.c | 8 | ||||
| -rw-r--r-- | fs/exfat/inode.c | 2 |
3 files changed, 5 insertions, 7 deletions
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index ae048802f9db..a1e7feb22079 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -448,7 +448,7 @@ int exfat_trim_fs(struct inode *inode, struct fstrim_range *range); /* file.c */ extern const struct file_operations exfat_file_operations; -int __exfat_truncate(struct inode *inode, loff_t new_size); +int __exfat_truncate(struct inode *inode); void exfat_truncate(struct inode *inode); int exfat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, struct iattr *attr); diff --git a/fs/exfat/file.c b/fs/exfat/file.c index 7c97c1df1305..f5b29072775d 100644 --- a/fs/exfat/file.c +++ b/fs/exfat/file.c @@ -93,7 +93,7 @@ static int exfat_sanitize_mode(const struct exfat_sb_info *sbi, } /* resize the file length */ -int __exfat_truncate(struct inode *inode, loff_t new_size) +int __exfat_truncate(struct inode *inode) { unsigned int num_clusters_new, num_clusters_phys; unsigned int last_clu = EXFAT_FREE_CLUSTER; @@ -113,7 +113,7 @@ int __exfat_truncate(struct inode *inode, loff_t new_size) exfat_chain_set(&clu, ei->start_clu, num_clusters_phys, ei->flags); - if (new_size > 0) { + if (i_size_read(inode) > 0) { /* * Truncate FAT chain num_clusters after the first cluster * num_clusters = min(new, phys); @@ -143,8 +143,6 @@ int __exfat_truncate(struct inode *inode, loff_t new_size) ei->start_clu = EXFAT_EOF_CLUSTER; } - i_size_write(inode, new_size); - if (ei->type == TYPE_FILE) ei->attr |= ATTR_ARCHIVE; @@ -207,7 +205,7 @@ void exfat_truncate(struct inode *inode) goto write_size; } - err = __exfat_truncate(inode, i_size_read(inode)); + err = __exfat_truncate(inode); if (err) goto write_size; diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c index 0d147f8a1f7c..95adc4b2e436 100644 --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -626,7 +626,7 @@ void exfat_evict_inode(struct inode *inode) if (!inode->i_nlink) { i_size_write(inode, 0); mutex_lock(&EXFAT_SB(inode->i_sb)->s_lock); - __exfat_truncate(inode, 0); + __exfat_truncate(inode); mutex_unlock(&EXFAT_SB(inode->i_sb)->s_lock); } |