fat: use __getname()
__getname() is faster than __get_free_page(). Use it.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 7b62ffb..486725e 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -247,7 +247,7 @@
unsigned char id, slot, slots, alias_checksum;
if (!*unicode) {
- *unicode = (wchar_t *)__get_free_page(GFP_KERNEL);
+ *unicode = __getname();
if (!*unicode) {
brelse(*bh);
return -ENOMEM;
@@ -327,7 +327,7 @@
loff_t cpos = 0;
int chl, i, j, last_u, err;
- bufname = (unsigned char*)__get_free_page(GFP_KERNEL);
+ bufname = __getname();
if (!bufname)
return -ENOMEM;
@@ -396,8 +396,8 @@
bufuname[last_u] = 0x0000;
xlate_len = utf8
- ?utf8_wcstombs(bufname, bufuname, PAGE_SIZE)
- :uni16_to_x8(bufname, bufuname, PAGE_SIZE, uni_xlate, nls_io);
+ ?utf8_wcstombs(bufname, bufuname, PATH_MAX)
+ :uni16_to_x8(bufname, bufuname, PATH_MAX, uni_xlate, nls_io);
if (xlate_len == name_len)
if ((!anycase && !memcmp(name, bufname, xlate_len)) ||
(anycase && !nls_strnicmp(nls_io, name, bufname,
@@ -406,8 +406,8 @@
if (nr_slots) {
xlate_len = utf8
- ?utf8_wcstombs(bufname, unicode, PAGE_SIZE)
- :uni16_to_x8(bufname, unicode, PAGE_SIZE, uni_xlate, nls_io);
+ ?utf8_wcstombs(bufname, unicode, PATH_MAX)
+ :uni16_to_x8(bufname, unicode, PATH_MAX, uni_xlate, nls_io);
if (xlate_len != name_len)
continue;
if ((!anycase && !memcmp(name, bufname, xlate_len)) ||
@@ -427,9 +427,9 @@
err = 0;
EODir:
if (bufname)
- free_page((unsigned long)bufname);
+ __putname(bufname);
if (unicode)
- free_page((unsigned long)unicode);
+ __putname(unicode);
return err;
}
@@ -619,7 +619,7 @@
/* convert the unicode long name. 261 is maximum size
* of unicode buffer. (13 * slots + nul) */
void *longname = unicode + 261;
- int buf_size = PAGE_SIZE - (261 * sizeof(unicode[0]));
+ int buf_size = PATH_MAX - (261 * sizeof(unicode[0]));
int long_len = utf8
? utf8_wcstombs(longname, unicode, buf_size)
: uni16_to_x8(longname, unicode, buf_size, uni_xlate, nls_io);
@@ -652,7 +652,7 @@
FillFailed:
brelse(bh);
if (unicode)
- free_page((unsigned long)unicode);
+ __putname(unicode);
out:
unlock_kernel();
return ret;