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hostfs: simplify locking
[linux-block.git]
/
fs
/
dcache.c
diff --git
a/fs/dcache.c
b/fs/dcache.c
index 6f59f375ed9d812dab8750ac8cfe54199d9e3e9c..61beb40dd6bf31c37d70fc5286ea94a32162c334 100644
(file)
--- a/
fs/dcache.c
+++ b/
fs/dcache.c
@@
-2171,7
+2171,7
@@
char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen,
/*
* Write full pathname from the root of the filesystem into the buffer.
*/
/*
* Write full pathname from the root of the filesystem into the buffer.
*/
-char *__dentry_path(struct dentry *dentry, char *buf, int buflen)
+
static
char *__dentry_path(struct dentry *dentry, char *buf, int buflen)
{
char *end = buf + buflen;
char *retval;
{
char *end = buf + buflen;
char *retval;
@@
-2198,7
+2198,18
@@
char *__dentry_path(struct dentry *dentry, char *buf, int buflen)
Elong:
return ERR_PTR(-ENAMETOOLONG);
}
Elong:
return ERR_PTR(-ENAMETOOLONG);
}
-EXPORT_SYMBOL(__dentry_path);
+
+char *dentry_path_raw(struct dentry *dentry, char *buf, int buflen)
+{
+ char *retval;
+
+ spin_lock(&dcache_lock);
+ retval = __dentry_path(dentry, buf, buflen);
+ spin_unlock(&dcache_lock);
+
+ return retval;
+}
+EXPORT_SYMBOL(dentry_path_raw);
char *dentry_path(struct dentry *dentry, char *buf, int buflen)
{
char *dentry_path(struct dentry *dentry, char *buf, int buflen)
{