Signed-off-by: Gu Zheng <guz.f...@cn.fujitsu.com>
---
fs/f2fs/dir.c | 28 +++++++++++++---------------
fs/f2fs/f2fs.h | 2 +-
fs/f2fs/hash.c | 4 +++-
3 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ba510fb..06f4833 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -77,8 +77,8 @@ static unsigned long dir_block_index(unsigned int level,
return bidx;
}
-static bool early_match_name(const char *name, size_t namelen,
- f2fs_hash_t namehash, struct f2fs_dir_entry *de)
+static bool early_match_name(size_t namelen, f2fs_hash_t namehash,
+ struct f2fs_dir_entry *de)
{
if (le16_to_cpu(de->name_len) != namelen)
return false;
@@ -90,7 +90,7 @@ static bool early_match_name(const char *name, size_t namelen,
}
static struct f2fs_dir_entry *find_in_block(struct page *dentry_page,
- const char *name, size_t namelen, int *max_slots,
+ struct qstr *name, int *max_slots,
f2fs_hash_t namehash, struct page **res_page)
{
unsigned long bit_pos = 0, bit_start = 0;
@@ -114,9 +114,10 @@ static struct f2fs_dir_entry *find_in_block(struct page
*dentry_page,
break;
de = &dentry_blk->dentry[bit_pos];
- if (early_match_name(name, namelen, namehash, de)) {
+ if (early_match_name(name->len, namehash, de)) {
if (!memcmp(dentry_blk->filename[bit_pos],
- name, namelen)) {
+ name->name,
+ name->len)) {
*res_page = dentry_page;
return de;
}
@@ -131,10 +132,10 @@ static struct f2fs_dir_entry *find_in_block(struct page
*dentry_page,
}
static struct f2fs_dir_entry *find_in_level(struct inode *dir,
- unsigned int level, const char *name, size_t namelen,
+ unsigned int level, struct qstr *name,
f2fs_hash_t namehash, struct page **res_page)
{
- int s = GET_DENTRY_SLOTS(namelen);
+ int s = GET_DENTRY_SLOTS(name->len);
unsigned int nbucket, nblock;
unsigned int bidx, end_block;
struct page *dentry_page;
@@ -159,8 +160,8 @@ static struct f2fs_dir_entry *find_in_level(struct inode
*dir,
continue;
}
- de = find_in_block(dentry_page, name, namelen,
- &max_slots, namehash, res_page);
+ de = find_in_block(dentry_page, name, &max_slots,
+ namehash, res_page);
if (de)
break;
@@ -186,8 +187,6 @@ static struct f2fs_dir_entry *find_in_level(struct inode
*dir,
struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
struct qstr *child, struct page **res_page)
{
- const char *name = child->name;
- size_t namelen = child->len;
unsigned long npages = dir_blocks(dir);
struct f2fs_dir_entry *de = NULL;
f2fs_hash_t name_hash;
@@ -199,12 +198,11 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
*res_page = NULL;
- name_hash = f2fs_dentry_hash(name, namelen);
+ name_hash = f2fs_dentry_hash(child);
max_depth = F2FS_I(dir)->i_current_depth;
for (level = 0; level < max_depth; level++) {
- de = find_in_level(dir, level, name,
- namelen, name_hash, res_page);
+ de = find_in_level(dir, level, child, name_hash, res_page);
if (de)
break;
}
@@ -459,7 +457,7 @@ int __f2fs_add_link(struct inode *dir, const struct qstr
*name,
int err = 0;
int i;
- dentry_hash = f2fs_dentry_hash(name->name, name->len);
+ dentry_hash = f2fs_dentry_hash(name);
level = 0;
current_depth = F2FS_I(dir)->i_current_depth;
if (F2FS_I(dir)->chash == dentry_hash) {
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ec480b1..ae3b4ac 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1158,7 +1158,7 @@ void f2fs_msg(struct super_block *, const char *, const
char *, ...);
/*
* hash.c
*/
-f2fs_hash_t f2fs_dentry_hash(const char *, size_t);
+f2fs_hash_t f2fs_dentry_hash(const struct qstr *);
/*
* node.c
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index 6eb8d26..948d17bf 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -69,12 +69,14 @@ static void str2hashbuf(const char *msg, size_t len,
unsigned int *buf, int num)
*buf++ = pad;
}
-f2fs_hash_t f2fs_dentry_hash(const char *name, size_t len)
+f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info)
{
__u32 hash;
f2fs_hash_t f2fs_hash;
const char *p;
__u32 in[8], buf[4];
+ const char *name = name_info->name;
+ size_t len = name_info->len;
if ((len <= 2) && (name[0] == '.') &&
(name[1] == '.' || name[1] == '\0'))
--
1.7.7
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