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f2fs: clean up long variable names

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This patch includes simple clean-ups to reduce unnecessary long variable names.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2014-04-23 12:17:25 +09:00
parent 454ae7e519
commit e112326805
2 changed files with 47 additions and 45 deletions
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86
fs/f2fs/xattr.c
View file

@ -26,7 +26,7 @@
#include "xattr.h" #include "xattr.h"
static size_t f2fs_xattr_generic_list(struct dentry *dentry, char *list, static size_t f2fs_xattr_generic_list(struct dentry *dentry, char *list,
size_t list_size, const char *name, size_t name_len, int type) size_t list_size, const char *name, size_t len, int type)
{ {
struct f2fs_sb_info *sbi = F2FS_SB(dentry->d_sb); struct f2fs_sb_info *sbi = F2FS_SB(dentry->d_sb);
int total_len, prefix_len = 0; int total_len, prefix_len = 0;
@ -53,11 +53,11 @@ static size_t f2fs_xattr_generic_list(struct dentry *dentry, char *list,
return -EINVAL; return -EINVAL;
} }
total_len = prefix_len + name_len + 1; total_len = prefix_len + len + 1;
if (list && total_len <= list_size) { if (list && total_len <= list_size) {
memcpy(list, prefix, prefix_len); memcpy(list, prefix, prefix_len);
memcpy(list + prefix_len, name, name_len); memcpy(list + prefix_len, name, len);
list[prefix_len + name_len] = '\0'; list[prefix_len + len] = '\0';
} }
return total_len; return total_len;
} }
@ -112,7 +112,7 @@ static int f2fs_xattr_generic_set(struct dentry *dentry, const char *name,
} }
static size_t f2fs_xattr_advise_list(struct dentry *dentry, char *list, static size_t f2fs_xattr_advise_list(struct dentry *dentry, char *list,
size_t list_size, const char *name, size_t name_len, int type) size_t list_size, const char *name, size_t len, int type)
{ {
const char *xname = F2FS_SYSTEM_ADVISE_PREFIX; const char *xname = F2FS_SYSTEM_ADVISE_PREFIX;
size_t size; size_t size;
@ -155,9 +155,10 @@ static int f2fs_xattr_advise_set(struct dentry *dentry, const char *name,
} }
#ifdef CONFIG_F2FS_FS_SECURITY #ifdef CONFIG_F2FS_FS_SECURITY
static int __f2fs_setxattr(struct inode *inode, int name_index, static int __f2fs_setxattr(struct inode *inode, int index,
const char *name, const void *value, size_t value_len, const char *name, const void *value, size_t size,
struct page *ipage); struct page *ipage);
static int f2fs_initxattrs(struct inode *inode, const struct xattr *xattr_array, static int f2fs_initxattrs(struct inode *inode, const struct xattr *xattr_array,
void *page) void *page)
{ {
@ -241,26 +242,26 @@ const struct xattr_handler *f2fs_xattr_handlers[] = {
NULL, NULL,
}; };
static inline const struct xattr_handler *f2fs_xattr_handler(int name_index) static inline const struct xattr_handler *f2fs_xattr_handler(int index)
{ {
const struct xattr_handler *handler = NULL; const struct xattr_handler *handler = NULL;
if (name_index > 0 && name_index < ARRAY_SIZE(f2fs_xattr_handler_map)) if (index > 0 && index < ARRAY_SIZE(f2fs_xattr_handler_map))
handler = f2fs_xattr_handler_map[name_index]; handler = f2fs_xattr_handler_map[index];
return handler; return handler;
} }
static struct f2fs_xattr_entry *__find_xattr(void *base_addr, int name_index, static struct f2fs_xattr_entry *__find_xattr(void *base_addr, int index,
size_t name_len, const char *name) size_t len, const char *name)
{ {
struct f2fs_xattr_entry *entry; struct f2fs_xattr_entry *entry;
list_for_each_xattr(entry, base_addr) { list_for_each_xattr(entry, base_addr) {
if (entry->e_name_index != name_index) if (entry->e_name_index != index)
continue; continue;
if (entry->e_name_len != name_len) if (entry->e_name_len != len)
continue; continue;
if (!memcmp(entry->e_name, name, name_len)) if (!memcmp(entry->e_name, name, len))
break; break;
} }
return entry; return entry;
@ -396,42 +397,43 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
return 0; return 0;
} }
int f2fs_getxattr(struct inode *inode, int name_index, const char *name, int f2fs_getxattr(struct inode *inode, int index, const char *name,
void *buffer, size_t buffer_size) void *buffer, size_t buffer_size)
{ {
struct f2fs_xattr_entry *entry; struct f2fs_xattr_entry *entry;
void *base_addr; void *base_addr;
int error = 0; int error = 0;
size_t value_len, name_len; size_t size, len;
if (name == NULL) if (name == NULL)
return -EINVAL; return -EINVAL;
name_len = strlen(name);
if (name_len > F2FS_NAME_LEN) len = strlen(name);
if (len > F2FS_NAME_LEN)
return -ERANGE; return -ERANGE;
base_addr = read_all_xattrs(inode, NULL); base_addr = read_all_xattrs(inode, NULL);
if (!base_addr) if (!base_addr)
return -ENOMEM; return -ENOMEM;
entry = __find_xattr(base_addr, name_index, name_len, name); entry = __find_xattr(base_addr, index, len, name);
if (IS_XATTR_LAST_ENTRY(entry)) { if (IS_XATTR_LAST_ENTRY(entry)) {
error = -ENODATA; error = -ENODATA;
goto cleanup; goto cleanup;
} }
value_len = le16_to_cpu(entry->e_value_size); size = le16_to_cpu(entry->e_value_size);
if (buffer && value_len > buffer_size) { if (buffer && size > buffer_size) {
error = -ERANGE; error = -ERANGE;
goto cleanup; goto cleanup;
} }
if (buffer) { if (buffer) {
char *pval = entry->e_name + entry->e_name_len; char *pval = entry->e_name + entry->e_name_len;
memcpy(buffer, pval, value_len); memcpy(buffer, pval, size);
} }
error = value_len; error = size;
cleanup: cleanup:
kzfree(base_addr); kzfree(base_addr);
@ -475,15 +477,15 @@ cleanup:
return error; return error;
} }
static int __f2fs_setxattr(struct inode *inode, int name_index, static int __f2fs_setxattr(struct inode *inode, int index,
const char *name, const void *value, size_t value_len, const char *name, const void *value, size_t size,
struct page *ipage) struct page *ipage)
{ {
struct f2fs_inode_info *fi = F2FS_I(inode); struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_xattr_entry *here, *last; struct f2fs_xattr_entry *here, *last;
void *base_addr; void *base_addr;
int found, newsize; int found, newsize;
size_t name_len; size_t len;
__u32 new_hsize; __u32 new_hsize;
int error = -ENOMEM; int error = -ENOMEM;
@ -491,11 +493,11 @@ static int __f2fs_setxattr(struct inode *inode, int name_index,
return -EINVAL; return -EINVAL;
if (value == NULL) if (value == NULL)
value_len = 0; size = 0;
name_len = strlen(name); len = strlen(name);
if (name_len > F2FS_NAME_LEN || value_len > MAX_VALUE_LEN(inode)) if (len > F2FS_NAME_LEN || size > MAX_VALUE_LEN(inode))
return -ERANGE; return -ERANGE;
base_addr = read_all_xattrs(inode, ipage); base_addr = read_all_xattrs(inode, ipage);
@ -503,7 +505,7 @@ static int __f2fs_setxattr(struct inode *inode, int name_index,
goto exit; goto exit;
/* find entry with wanted name. */ /* find entry with wanted name. */
here = __find_xattr(base_addr, name_index, name_len, name); here = __find_xattr(base_addr, index, len, name);
found = IS_XATTR_LAST_ENTRY(here) ? 0 : 1; found = IS_XATTR_LAST_ENTRY(here) ? 0 : 1;
last = here; last = here;
@ -511,8 +513,7 @@ static int __f2fs_setxattr(struct inode *inode, int name_index,
while (!IS_XATTR_LAST_ENTRY(last)) while (!IS_XATTR_LAST_ENTRY(last))
last = XATTR_NEXT_ENTRY(last); last = XATTR_NEXT_ENTRY(last);
newsize = XATTR_ALIGN(sizeof(struct f2fs_xattr_entry) + newsize = XATTR_ALIGN(sizeof(struct f2fs_xattr_entry) + len + size);
name_len + value_len);
/* 1. Check space */ /* 1. Check space */
if (value) { if (value) {
@ -555,12 +556,12 @@ static int __f2fs_setxattr(struct inode *inode, int name_index,
* We just write new entry. * We just write new entry.
*/ */
memset(last, 0, newsize); memset(last, 0, newsize);
last->e_name_index = name_index; last->e_name_index = index;
last->e_name_len = name_len; last->e_name_len = len;
memcpy(last->e_name, name, name_len); memcpy(last->e_name, name, len);
pval = last->e_name + name_len; pval = last->e_name + len;
memcpy(pval, value, value_len); memcpy(pval, value, size);
last->e_value_size = cpu_to_le16(value_len); last->e_value_size = cpu_to_le16(size);
new_hsize += newsize; new_hsize += newsize;
} }
@ -583,8 +584,9 @@ exit:
return error; return error;
} }
int f2fs_setxattr(struct inode *inode, int name_index, const char *name, int f2fs_setxattr(struct inode *inode, int index, const char *name,
const void *value, size_t value_len, struct page *ipage) const void *value, size_t size,
struct page *ipage)
{ {
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
int err; int err;
@ -594,7 +596,7 @@ int f2fs_setxattr(struct inode *inode, int name_index, const char *name,
f2fs_lock_op(sbi); f2fs_lock_op(sbi);
/* protect xattr_ver */ /* protect xattr_ver */
down_write(&F2FS_I(inode)->i_sem); down_write(&F2FS_I(inode)->i_sem);
err = __f2fs_setxattr(inode, name_index, name, value, value_len, ipage); err = __f2fs_setxattr(inode, index, name, value, size, ipage);
up_write(&F2FS_I(inode)->i_sem); up_write(&F2FS_I(inode)->i_sem);
f2fs_unlock_op(sbi); f2fs_unlock_op(sbi);

6
fs/f2fs/xattr.h
View file

@ -120,12 +120,12 @@ extern ssize_t f2fs_listxattr(struct dentry *, char *, size_t);
#else #else
#define f2fs_xattr_handlers NULL #define f2fs_xattr_handlers NULL
static inline int f2fs_setxattr(struct inode *inode, int name_index, static inline int f2fs_setxattr(struct inode *inode, int index,
const char *name, const void *value, size_t value_len) const char *name, const void *value, size_t size)
{ {
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
static inline int f2fs_getxattr(struct inode *inode, int name_index, static inline int f2fs_getxattr(struct inode *inode, int index,
const char *name, void *buffer, size_t buffer_size) const char *name, void *buffer, size_t buffer_size)
{ {
return -EOPNOTSUPP; return -EOPNOTSUPP;