reiserfs: Don't call reiserfs_get_acl() with the reiserfs lock

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

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 82d8383..cababd8 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);
@@ -800,7 +797,7 @@ set_via_filehandle:
        if (open_file == NULL)
                CIFSSMBClose(xid, pTcon, netfid);
        else
-               atomic_dec(&open_file->wrtPending);
+               cifsFileInfo_put(open_file);
 out:
        return rc;
 }
@@ -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) {
+       err = inode_newsize_ok(inode, offset);
+       if (err) {
                spin_unlock(&inode->i_lock);
-               goto out_sig;
-       }
-       if (offset > inode->i_sb->s_maxbytes) {
-               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
@@ -1635,7 +1599,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
                __u32 npid = open_file->pid;
                rc = CIFSSMBSetFileSize(xid, pTcon, attrs->ia_size, nfid,
                                        npid, false);
-               atomic_dec(&open_file->wrtPending);
+               cifsFileInfo_put(open_file);
                cFYI(1, ("SetFSize for attrs rc = %d", rc));
                if ((rc == -EINVAL) || (rc == -EOPNOTSUPP)) {
                        unsigned int bytes_written;
@@ -1790,7 +1754,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
                u16 nfid = open_file->netfid;
                u32 npid = open_file->pid;
                rc = CIFSSMBUnixSetFileInfo(xid, pTcon, args, nfid, npid);
-               atomic_dec(&open_file->wrtPending);
+               cifsFileInfo_put(open_file);
        } else {
                rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, args,
                                    cifs_sb->local_nls,