[GFS2] Further updates to dir and logging code
This reduces the size of the directory code by about 3k and gets
readdir() to use the functions which were introduced in the previous
directory code update.
Two memory allocations are merged into one. Eliminates zeroing of some
buffers which were never used before they were initialised by
other data.
There is still scope for further improvement in the directory code.
On the logging side, a hand created mutex has been replaced by a
standard Linux mutex in the log allocation code.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index d403d51..6140c24 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -15,6 +15,7 @@
#include <linux/posix_acl.h>
#include <linux/sort.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/crc32.h>
#include <asm/semaphore.h>
#include "gfs2.h"
@@ -701,9 +702,7 @@
struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)
{
struct qstr qstr;
- qstr.name = name;
- qstr.len = strlen(name);
- qstr.hash = gfs2_disk_hash(qstr.name, qstr.len);
+ gfs2_str2qstr(&qstr, name);
return gfs2_lookupi(dip, &qstr, 1, NULL);
}
@@ -1389,9 +1388,7 @@
if (error)
return error;
- dotname.len = 1;
- dotname.name = ".";
- dotname.hash = gfs2_disk_hash(dotname.name, dotname.len);
+ gfs2_str2qstr(&dotname, ".");
error = gfs2_dir_del(ip, &dotname);
if (error)
return error;
@@ -1487,10 +1484,7 @@
struct qstr dotdot;
int error = 0;
- memset(&dotdot, 0, sizeof(struct qstr));
- dotdot.name = "..";
- dotdot.len = 2;
- dotdot.hash = gfs2_disk_hash(dotdot.name, dotdot.len);
+ gfs2_str2qstr(&dotdot, "..");
igrab(dir);