Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
do_sys_truncate(): switch to CLASS(filename)
Note that failures from filename_lookup() are final - ESTALE returned
by it means that retry had been done by filename_lookup() and it failed
there.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
+5
-7
+5
-7
fs/open.c
+5
-7
fs/open.c
···
129
129
int do_sys_truncate(const char __user *pathname, loff_t length)
130
130
{
131
131
unsigned int lookup_flags = LOOKUP_FOLLOW;
132
-
struct filename *name;
133
132
struct path path;
134
133
int error;
135
134
136
135
if (length < 0) /* sorry, but loff_t says... */
137
136
return -EINVAL;
138
137
139
-
name = getname(pathname);
138
+
CLASS(filename, name)(pathname);
140
139
retry:
141
140
error = filename_lookup(AT_FDCWD, name, lookup_flags, &path, NULL);
142
141
if (!error) {
143
142
error = vfs_truncate(&path, length);
144
143
path_put(&path);
144
+
if (retry_estale(error, lookup_flags)) {
145
+
lookup_flags |= LOOKUP_REVAL;
146
+
goto retry;
147
+
}
145
148
}
146
-
if (retry_estale(error, lookup_flags)) {
147
-
lookup_flags |= LOOKUP_REVAL;
148
-
goto retry;
149
-
}
150
-
putname(name);
151
149
return error;
152
150
}
153
151