Merge branch 'master' into upstream

[sfrench/cifs-2.6.git] / fs / open.c

diff --git a/fs/open.c b/fs/open.c
index 317b7c7f38a73aac8cc8f3edc463919dabb2f947..304c1c7814cbacfec0695e8714c5557ea8ee0e9b 100644 (file)
--- a/fs/open.c
+++ b/fs/open.c
@@ -31,18 +31,18 @@
 
 #include <asm/unistd.h>
 
-int vfs_statfs(struct super_block *sb, struct kstatfs *buf)
+int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
        int retval = -ENODEV;
 
-       if (sb) {
+       if (dentry) {
                retval = -ENOSYS;
-               if (sb->s_op->statfs) {
+               if (dentry->d_sb->s_op->statfs) {
                        memset(buf, 0, sizeof(*buf));
-                       retval = security_sb_statfs(sb);
+                       retval = security_sb_statfs(dentry);
                        if (retval)
                                return retval;
-                       retval = sb->s_op->statfs(sb, buf);
+                       retval = dentry->d_sb->s_op->statfs(dentry, buf);
                        if (retval == 0 && buf->f_frsize == 0)
                                buf->f_frsize = buf->f_bsize;
                }
@@ -52,12 +52,12 @@ int vfs_statfs(struct super_block *sb, struct kstatfs *buf)
 
 EXPORT_SYMBOL(vfs_statfs);
 
-static int vfs_statfs_native(struct super_block *sb, struct statfs *buf)
+static int vfs_statfs_native(struct dentry *dentry, struct statfs *buf)
 {
        struct kstatfs st;
        int retval;
 
-       retval = vfs_statfs(sb, &st);
+       retval = vfs_statfs(dentry, &st);
        if (retval)
                return retval;
 
@@ -95,12 +95,12 @@ static int vfs_statfs_native(struct super_block *sb, struct statfs *buf)
        return 0;
 }
 
-static int vfs_statfs64(struct super_block *sb, struct statfs64 *buf)
+static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf)
 {
        struct kstatfs st;
        int retval;
 
-       retval = vfs_statfs(sb, &st);
+       retval = vfs_statfs(dentry, &st);
        if (retval)
                return retval;
 
@@ -130,7 +130,7 @@ asmlinkage long sys_statfs(const char __user * path, struct statfs __user * buf)
        error = user_path_walk(path, &nd);
        if (!error) {
                struct statfs tmp;
-               error = vfs_statfs_native(nd.dentry->d_inode->i_sb, &tmp);
+               error = vfs_statfs_native(nd.dentry, &tmp);
                if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
                        error = -EFAULT;
                path_release(&nd);
@@ -149,7 +149,7 @@ asmlinkage long sys_statfs64(const char __user *path, size_t sz, struct statfs64
        error = user_path_walk(path, &nd);
        if (!error) {
                struct statfs64 tmp;
-               error = vfs_statfs64(nd.dentry->d_inode->i_sb, &tmp);
+               error = vfs_statfs64(nd.dentry, &tmp);
                if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
                        error = -EFAULT;
                path_release(&nd);
@@ -168,7 +168,7 @@ asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user * buf)
        file = fget(fd);
        if (!file)
                goto out;
-       error = vfs_statfs_native(file->f_dentry->d_inode->i_sb, &tmp);
+       error = vfs_statfs_native(file->f_dentry, &tmp);
        if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
                error = -EFAULT;
        fput(file);
@@ -189,7 +189,7 @@ asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user
        file = fget(fd);
        if (!file)
                goto out;
-       error = vfs_statfs64(file->f_dentry->d_inode->i_sb, &tmp);
+       error = vfs_statfs64(file->f_dentry, &tmp);
        if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
                error = -EFAULT;
        fput(file);
@@ -322,7 +322,7 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
 
        error = locks_verify_truncate(inode, file, length);
        if (!error)
-               error = do_truncate(dentry, length, 0, file);
+               error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, file);
 out_putf:
        fput(file);
 out:
@@ -546,7 +546,8 @@ asmlinkage long sys_chdir(const char __user * filename)
        struct nameidata nd;
        int error;
 
-       error = __user_walk(filename, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, &nd);
+       error = __user_walk(filename,
+                           LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_CHDIR, &nd);
        if (error)
                goto out;
 
@@ -633,7 +634,7 @@ asmlinkage long sys_fchmod(unsigned int fd, mode_t mode)
        dentry = file->f_dentry;
        inode = dentry->d_inode;
 
-       audit_inode(NULL, inode, 0);
+       audit_inode(NULL, inode);
 
        err = -EROFS;
        if (IS_RDONLY(inode))
@@ -786,7 +787,7 @@ asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
        if (file) {
                struct dentry * dentry;
                dentry = file->f_dentry;
-               audit_inode(NULL, dentry->d_inode, 0);
+               audit_inode(NULL, dentry->d_inode);
                error = chown_common(dentry, user, group);
                fput(file);
        }
@@ -1152,7 +1153,7 @@ int filp_close(struct file *filp, fl_owner_t id)
        }
 
        if (filp->f_op && filp->f_op->flush)
-               retval = filp->f_op->flush(filp);
+               retval = filp->f_op->flush(filp, id);
 
        dnotify_flush(filp, id);
        locks_remove_posix(filp, id);
@@ -1172,6 +1173,7 @@ asmlinkage long sys_close(unsigned int fd)
        struct file * filp;
        struct files_struct *files = current->files;
        struct fdtable *fdt;
+       int retval;
 
        spin_lock(&files->file_lock);
        fdt = files_fdtable(files);
@@ -1184,7 +1186,16 @@ asmlinkage long sys_close(unsigned int fd)
        FD_CLR(fd, fdt->close_on_exec);
        __put_unused_fd(files, fd);
        spin_unlock(&files->file_lock);
-       return filp_close(filp, files);
+       retval = filp_close(filp, files);
+
+       /* can't restart close syscall because file table entry was cleared */
+       if (unlikely(retval == -ERESTARTSYS ||
+                    retval == -ERESTARTNOINTR ||
+                    retval == -ERESTARTNOHAND ||
+                    retval == -ERESTART_RESTARTBLOCK))
+               retval = -EINTR;
+
+       return retval;
 
 out_unlock:
        spin_unlock(&files->file_lock);