49 static int statfs_by_dentry(struct dentry *dentry, struct kstatfs *buf)  in statfs_by_dentry()  argument
56 	memset(buf, 0, sizeof(*buf));  in statfs_by_dentry()
60 	retval = dentry->d_sb->s_op->statfs(dentry, buf);  in statfs_by_dentry()
61 	if (retval == 0 && buf->f_frsize == 0)  in statfs_by_dentry()
62 		buf->f_frsize = buf->f_bsize;  in statfs_by_dentry()
66 int vfs_statfs(struct path *path, struct kstatfs *buf)  in vfs_statfs()  argument
70 	error = statfs_by_dentry(path->dentry, buf);  in vfs_statfs()
72 		buf->f_flags = calculate_f_flags(path->mnt);  in vfs_statfs()
108 	struct statfs buf;  in do_statfs_native()  local
110 	if (sizeof(buf) == sizeof(*st))  in do_statfs_native()
111 		memcpy(&buf, st, sizeof(*st));  in do_statfs_native()
113 		if (sizeof buf.f_blocks == 4) {  in do_statfs_native()
130 		buf.f_type = st->f_type;  in do_statfs_native()
131 		buf.f_bsize = st->f_bsize;  in do_statfs_native()
132 		buf.f_blocks = st->f_blocks;  in do_statfs_native()
133 		buf.f_bfree = st->f_bfree;  in do_statfs_native()
134 		buf.f_bavail = st->f_bavail;  in do_statfs_native()
135 		buf.f_files = st->f_files;  in do_statfs_native()
136 		buf.f_ffree = st->f_ffree;  in do_statfs_native()
137 		buf.f_fsid = st->f_fsid;  in do_statfs_native()
138 		buf.f_namelen = st->f_namelen;  in do_statfs_native()
139 		buf.f_frsize = st->f_frsize;  in do_statfs_native()
140 		buf.f_flags = st->f_flags;  in do_statfs_native()
141 		memset(buf.f_spare, 0, sizeof(buf.f_spare));  in do_statfs_native()
143 	if (copy_to_user(p, &buf, sizeof(buf)))  in do_statfs_native()
150 	struct statfs64 buf;  in do_statfs64()  local
151 	if (sizeof(buf) == sizeof(*st))  in do_statfs64()
152 		memcpy(&buf, st, sizeof(*st));  in do_statfs64()
154 		buf.f_type = st->f_type;  in do_statfs64()
155 		buf.f_bsize = st->f_bsize;  in do_statfs64()
156 		buf.f_blocks = st->f_blocks;  in do_statfs64()
157 		buf.f_bfree = st->f_bfree;  in do_statfs64()
158 		buf.f_bavail = st->f_bavail;  in do_statfs64()
159 		buf.f_files = st->f_files;  in do_statfs64()
160 		buf.f_ffree = st->f_ffree;  in do_statfs64()
161 		buf.f_fsid = st->f_fsid;  in do_statfs64()
162 		buf.f_namelen = st->f_namelen;  in do_statfs64()
163 		buf.f_frsize = st->f_frsize;  in do_statfs64()
164 		buf.f_flags = st->f_flags;  in do_statfs64()
165 		memset(buf.f_spare, 0, sizeof(buf.f_spare));  in do_statfs64()
167 	if (copy_to_user(p, &buf, sizeof(buf)))  in do_statfs64()
172 SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf)  in SYSCALL_DEFINE2()  argument
177 		error = do_statfs_native(&st, buf);  in SYSCALL_DEFINE2()
181 SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf)  in SYSCALL_DEFINE3()  argument
185 	if (sz != sizeof(*buf))  in SYSCALL_DEFINE3()
189 		error = do_statfs64(&st, buf);  in SYSCALL_DEFINE3()
193 SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf)  in SYSCALL_DEFINE2()  argument
198 		error = do_statfs_native(&st, buf);  in SYSCALL_DEFINE2()
202 SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf)  in SYSCALL_DEFINE3()  argument
207 	if (sz != sizeof(*buf))  in SYSCALL_DEFINE3()
212 		error = do_statfs64(&st, buf);  in SYSCALL_DEFINE3()