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-rw-r--r--fs/exfat/exfat_fs.h2
-rw-r--r--fs/exfat/inode.c2
-rw-r--r--fs/exfat/namei.c53
3 files changed, 21 insertions, 36 deletions
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 3cdc1de362a9..28cc18d29236 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -508,6 +508,8 @@ struct exfat_dentry *exfat_get_dentry_cached(struct exfat_entry_set_cache *es,
int exfat_get_dentry_set(struct exfat_entry_set_cache *es,
struct super_block *sb, struct exfat_chain *p_dir, int entry,
unsigned int num_entries);
+#define exfat_get_dentry_set_by_ei(es, sb, ei) \
+ exfat_get_dentry_set(es, sb, &(ei)->dir, (ei)->entry, ES_ALL_ENTRIES)
int exfat_get_empty_dentry_set(struct exfat_entry_set_cache *es,
struct super_block *sb, struct exfat_chain *p_dir, int entry,
unsigned int num_entries);
diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c
index d724de8f57bf..96952d4acb50 100644
--- a/fs/exfat/inode.c
+++ b/fs/exfat/inode.c
@@ -43,7 +43,7 @@ int __exfat_write_inode(struct inode *inode, int sync)
exfat_set_volume_dirty(sb);
/* get the directory entry of given file or directory */
- if (exfat_get_dentry_set(&es, sb, &(ei->dir), ei->entry, ES_ALL_ENTRIES))
+ if (exfat_get_dentry_set_by_ei(&es, sb, ei))
return -EIO;
ep = exfat_get_dentry_cached(&es, ES_IDX_FILE);
ep2 = exfat_get_dentry_cached(&es, ES_IDX_STREAM);
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index b0bf8c47dd5e..b42cffe813bb 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -779,26 +779,23 @@ unlock:
/* remove an entry, BUT don't truncate */
static int exfat_unlink(struct inode *dir, struct dentry *dentry)
{
- struct exfat_chain cdir;
struct super_block *sb = dir->i_sb;
struct inode *inode = dentry->d_inode;
struct exfat_inode_info *ei = EXFAT_I(inode);
struct exfat_entry_set_cache es;
- int entry, err = 0;
+ int err = 0;
if (unlikely(exfat_forced_shutdown(sb)))
return -EIO;
mutex_lock(&EXFAT_SB(sb)->s_lock);
- exfat_chain_dup(&cdir, &ei->dir);
- entry = ei->entry;
if (ei->dir.dir == DIR_DELETED) {
exfat_err(sb, "abnormal access to deleted dentry");
err = -ENOENT;
goto unlock;
}
- err = exfat_get_dentry_set(&es, sb, &cdir, entry, ES_ALL_ENTRIES);
+ err = exfat_get_dentry_set_by_ei(&es, sb, ei);
if (err) {
err = -EIO;
goto unlock;
@@ -928,21 +925,18 @@ static int exfat_check_dir_empty(struct super_block *sb,
static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
- struct exfat_chain cdir, clu_to_free;
+ struct exfat_chain clu_to_free;
struct super_block *sb = inode->i_sb;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
struct exfat_inode_info *ei = EXFAT_I(inode);
struct exfat_entry_set_cache es;
- int entry, err;
+ int err;
if (unlikely(exfat_forced_shutdown(sb)))
return -EIO;
mutex_lock(&EXFAT_SB(inode->i_sb)->s_lock);
- exfat_chain_dup(&cdir, &ei->dir);
- entry = ei->entry;
-
if (ei->dir.dir == DIR_DELETED) {
exfat_err(sb, "abnormal access to deleted dentry");
err = -ENOENT;
@@ -960,7 +954,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
goto unlock;
}
- err = exfat_get_dentry_set(&es, sb, &cdir, entry, ES_ALL_ENTRIES);
+ err = exfat_get_dentry_set_by_ei(&es, sb, ei);
if (err) {
err = -EIO;
goto unlock;
@@ -995,8 +989,8 @@ unlock:
return err;
}
-static int exfat_rename_file(struct inode *parent_inode, struct exfat_chain *p_dir,
- int oldentry, struct exfat_uni_name *p_uniname,
+static int exfat_rename_file(struct inode *parent_inode,
+ struct exfat_chain *p_dir, struct exfat_uni_name *p_uniname,
struct exfat_inode_info *ei)
{
int ret, num_new_entries;
@@ -1012,7 +1006,7 @@ static int exfat_rename_file(struct inode *parent_inode, struct exfat_chain *p_d
if (num_new_entries < 0)
return num_new_entries;
- ret = exfat_get_dentry_set(&old_es, sb, p_dir, oldentry, ES_ALL_ENTRIES);
+ ret = exfat_get_dentry_set_by_ei(&old_es, sb, ei);
if (ret) {
ret = -EIO;
return ret;
@@ -1066,21 +1060,19 @@ put_old_es:
return ret;
}
-static int exfat_move_file(struct inode *parent_inode, struct exfat_chain *p_olddir,
- int oldentry, struct exfat_chain *p_newdir,
- struct exfat_uni_name *p_uniname, struct exfat_inode_info *ei)
+static int exfat_move_file(struct inode *parent_inode,
+ struct exfat_chain *p_newdir, struct exfat_uni_name *p_uniname,
+ struct exfat_inode_info *ei)
{
int ret, newentry, num_new_entries;
struct exfat_dentry *epmov, *epnew;
- struct super_block *sb = parent_inode->i_sb;
struct exfat_entry_set_cache mov_es, new_es;
num_new_entries = exfat_calc_num_entries(p_uniname);
if (num_new_entries < 0)
return num_new_entries;
- ret = exfat_get_dentry_set(&mov_es, sb, p_olddir, oldentry,
- ES_ALL_ENTRIES);
+ ret = exfat_get_dentry_set_by_ei(&mov_es, parent_inode->i_sb, ei);
if (ret)
return -EIO;
@@ -1129,8 +1121,7 @@ static int __exfat_rename(struct inode *old_parent_inode,
struct dentry *new_dentry)
{
int ret;
- int dentry;
- struct exfat_chain olddir, newdir;
+ struct exfat_chain newdir;
struct exfat_uni_name uni_name;
struct super_block *sb = old_parent_inode->i_sb;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
@@ -1147,11 +1138,6 @@ static int __exfat_rename(struct inode *old_parent_inode,
return -ENOENT;
}
- exfat_chain_set(&olddir, EXFAT_I(old_parent_inode)->start_clu,
- EXFAT_B_TO_CLU_ROUND_UP(i_size_read(old_parent_inode), sbi),
- EXFAT_I(old_parent_inode)->flags);
- dentry = ei->entry;
-
/* check whether new dir is existing directory and empty */
if (new_inode) {
ret = -EIO;
@@ -1186,21 +1172,18 @@ static int __exfat_rename(struct inode *old_parent_inode,
exfat_set_volume_dirty(sb);
- if (olddir.dir == newdir.dir)
- ret = exfat_rename_file(new_parent_inode, &olddir, dentry,
+ if (new_parent_inode == old_parent_inode)
+ ret = exfat_rename_file(new_parent_inode, &newdir,
&uni_name, ei);
else
- ret = exfat_move_file(new_parent_inode, &olddir, dentry,
- &newdir, &uni_name, ei);
+ ret = exfat_move_file(new_parent_inode, &newdir,
+ &uni_name, ei);
if (!ret && new_inode) {
struct exfat_entry_set_cache es;
- struct exfat_chain *p_dir = &(new_ei->dir);
- int new_entry = new_ei->entry;
/* delete entries of new_dir */
- ret = exfat_get_dentry_set(&es, sb, p_dir, new_entry,
- ES_ALL_ENTRIES);
+ ret = exfat_get_dentry_set_by_ei(&es, sb, new_ei);
if (ret) {
ret = -EIO;
goto del_out;
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-31 23:16:24 +0000