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Code Issues Releases Wiki Activity

exfat: remove unused functions 

exfat_count_ext_entries() is no longer called, remove it.
exfat_update_dir_chksum() is no longer called, remove it and
rename exfat_update_dir_chksum_with_entry_set() to it.

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>
This commit is contained in:
Yuezhang Mo 2022-08-05 16:57:04 +08:00 committed by Namjae Jeon
parent af02c72d0b
commit 4d71455976
3 changed files with 4 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
fs/exfat/dir.c
View File

@ -478,41 +478,6 @@ void exfat_init_dir_entry(struct exfat_entry_set_cache *es,
exfat_init_stream_entry(ep, start_clu, size);
}
int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
int entry)
{
struct super_block *sb = inode->i_sb;
int ret = 0;
int i, num_entries;
u16 chksum;
struct exfat_dentry *ep, *fep;
struct buffer_head *fbh, *bh;
fep = exfat_get_dentry(sb, p_dir, entry, &fbh);
if (!fep)
return -EIO;
num_entries = fep->dentry.file.num_ext + 1;
chksum = exfat_calc_chksum16(fep, DENTRY_SIZE, 0, CS_DIR_ENTRY);
for (i = 1; i < num_entries; i++) {
ep = exfat_get_dentry(sb, p_dir, entry + i, &bh);
if (!ep) {
ret = -EIO;
goto release_fbh;
}
chksum = exfat_calc_chksum16(ep, DENTRY_SIZE, chksum,
CS_DEFAULT);
brelse(bh);
}
fep->dentry.file.checksum = cpu_to_le16(chksum);
exfat_update_bh(fbh, IS_DIRSYNC(inode));
release_fbh:
brelse(fbh);
return ret;
}
static void exfat_free_benign_secondary_clusters(struct inode *inode,
struct exfat_dentry *ep)
{
@ -552,7 +517,7 @@ void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
uniname += EXFAT_FILE_NAME_LEN;
}
exfat_update_dir_chksum_with_entry_set(es);
exfat_update_dir_chksum(es);
}
void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
@ -574,7 +539,7 @@ void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
es->modified = true;
}
void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es)
void exfat_update_dir_chksum(struct exfat_entry_set_cache *es)
{
int chksum_type = CS_DIR_ENTRY, i;
unsigned short chksum = 0;
@ -1241,27 +1206,6 @@ found:
return dentry - num_ext;
}
int exfat_count_ext_entries(struct super_block *sb, struct exfat_chain *p_dir,
int entry, struct exfat_dentry *ep)
{
int i, count = 0;
unsigned int type;
struct exfat_dentry *ext_ep;
struct buffer_head *bh;
for (i = 0, entry++; i < ep->dentry.file.num_ext; i++, entry++) {
ext_ep = exfat_get_dentry(sb, p_dir, entry, &bh);
if (!ext_ep)
return -EIO;
type = exfat_get_entry_type(ext_ep);
brelse(bh);
if (type & TYPE_CRITICAL_SEC || type & TYPE_BENIGN_SEC)
count++;
}
return count;
}
int exfat_count_dir_entries(struct super_block *sb, struct exfat_chain *p_dir)
{
int i, count = 0;

6
fs/exfat/exfat_fs.h
View File

@ -431,8 +431,6 @@ int exfat_ent_get(struct super_block *sb, unsigned int loc,
unsigned int *content);
int exfat_ent_set(struct super_block *sb, unsigned int loc,
unsigned int content);
int exfat_count_ext_entries(struct super_block *sb, struct exfat_chain *p_dir,
int entry, struct exfat_dentry *p_entry);
int exfat_chain_cont_cluster(struct super_block *sb, unsigned int chain,
unsigned int len);
int exfat_zeroed_cluster(struct inode *dir, unsigned int clu);
@ -487,9 +485,7 @@ void exfat_init_ext_entry(struct exfat_entry_set_cache *es, int num_entries,
struct exfat_uni_name *p_uniname);
void exfat_remove_entries(struct inode *inode, struct exfat_entry_set_cache *es,
int order);
int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir,
int entry);
void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es);
void exfat_update_dir_chksum(struct exfat_entry_set_cache *es);
int exfat_calc_num_entries(struct exfat_uni_name *p_uniname);
int exfat_find_dir_entry(struct super_block *sb, struct exfat_inode_info *ei,
struct exfat_chain *p_dir, struct exfat_uni_name *p_uniname,

2
fs/exfat/inode.c
View File

@ -94,7 +94,7 @@ int __exfat_write_inode(struct inode *inode, int sync)
ep2->dentry.stream.start_clu = EXFAT_FREE_CLUSTER;
}
exfat_update_dir_chksum_with_entry_set(&es);
exfat_update_dir_chksum(&es);
return exfat_put_dentry_set(&es, sync);
}