quota: stop using QUOTA_OK / NO_QUOTA

[safe/jmp/linux-2.6] / fs / cifs / inode.c

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 1f09c76..e3fda97 100644 (file)
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -512,13 +512,10 @@ int cifs_get_inode_info(struct inode **pinode,
                                        cifs_sb->local_nls,
                                        cifs_sb->mnt_cifs_flags &
                                                CIFS_MOUNT_MAP_SPECIAL_CHR);
-                       if (rc1) {
+                       if (rc1 || !fattr.cf_uniqueid) {
                                cFYI(1, ("GetSrvInodeNum rc %d", rc1));
                                fattr.cf_uniqueid = iunique(sb, ROOT_I);
-                               /* disable serverino if call not supported */
-                               if (rc1 == -EINVAL)
-                                       cifs_sb->mnt_cifs_flags &=
-                                                       ~CIFS_MOUNT_SERVER_INUM;
+                               cifs_autodisable_serverino(cifs_sb);
                        }
                } else {
                        fattr.cf_uniqueid = iunique(sb, ROOT_I);
@@ -917,8 +914,8 @@ undo_setattr:
 /*
  * If dentry->d_inode is null (usually meaning the cached dentry
  * is a negative dentry) then we would attempt a standard SMB delete, but
- * if that fails we can not attempt the fall back mechanisms on EACESS
- * but will return the EACESS to the caller.  Note that the VFS does not call
+ * if that fails we can not attempt the fall back mechanisms on EACCESS
+ * but will return the EACCESS to the caller. Note that the VFS does not call
  * unlink on negative dentries currently.
  */
 int cifs_unlink(struct inode *dir, struct dentry *dentry)
@@ -1557,57 +1554,24 @@ static int cifs_truncate_page(struct address_space *mapping, loff_t from)
 
 static int cifs_vmtruncate(struct inode *inode, loff_t offset)
 {
-       struct address_space *mapping = inode->i_mapping;
-       unsigned long limit;
+       loff_t oldsize;
+       int err;
 
        spin_lock(&inode->i_lock);
-       if (inode->i_size < offset)
-               goto do_expand;
-       /*
-        * truncation of in-use swapfiles is disallowed - it would cause
-        * subsequent swapout to scribble on the now-freed blocks.
-        */
-       if (IS_SWAPFILE(inode)) {
-               spin_unlock(&inode->i_lock);
-               goto out_busy;
-       }
-       i_size_write(inode, offset);
-       spin_unlock(&inode->i_lock);
-       /*
-        * unmap_mapping_range is called twice, first simply for efficiency
-        * so that truncate_inode_pages does fewer single-page unmaps. However
-        * after this first call, and before truncate_inode_pages finishes,
-        * it is possible for private pages to be COWed, which remain after
-        * truncate_inode_pages finishes, hence the second unmap_mapping_range
-        * call must be made for correctness.
-        */
-       unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1);
-       truncate_inode_pages(mapping, offset);
-       unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1);
-       goto out_truncate;
-
-do_expand:
-       limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
-       if (limit != RLIM_INFINITY && offset > limit) {
-               spin_unlock(&inode->i_lock);
-               goto out_sig;
-       }
-       if (offset > inode->i_sb->s_maxbytes) {
+       err = inode_newsize_ok(inode, offset);
+       if (err) {
                spin_unlock(&inode->i_lock);
-               goto out_big;
+               goto out;
        }
+
+       oldsize = inode->i_size;
        i_size_write(inode, offset);
        spin_unlock(&inode->i_lock);
-out_truncate:
+       truncate_pagecache(inode, oldsize, offset);
        if (inode->i_op->truncate)
                inode->i_op->truncate(inode);
-       return 0;
-out_sig:
-       send_sig(SIGXFSZ, current, 0);
-out_big:
-       return -EFBIG;
-out_busy:
-       return -ETXTBSY;
+out:
+       return err;
 }
 
 static int
@@ -1798,8 +1762,18 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
                                        CIFS_MOUNT_MAP_SPECIAL_CHR);
        }
 
-       if (!rc)
+       if (!rc) {
                rc = inode_setattr(inode, attrs);
+
+               /* force revalidate when any of these times are set since some
+                  of the fs types (eg ext3, fat) do not have fine enough
+                  time granularity to match protocol, and we do not have a
+                  a way (yet) to query the server fs's time granularity (and
+                  whether it rounds times down).
+               */
+               if (!rc && (attrs->ia_valid & (ATTR_MTIME | ATTR_CTIME)))
+                       cifsInode->time = 0;
+       }
 out:
        kfree(args);
        kfree(full_path);