2.5.3-pre1 compile error

[John Weber <weber@nyc.rr.com>]

gcc -D__KERNEL__ -I/usr/src/linux-2.5.2/include -Wall 
-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer 
-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 
-march=i686    -c -o read_write.o read_write.c
In file included from read_write.c:10:
/usr/src/linux-2.5.2/include/linux/file.h:25: parse error before `atomic_t'
/usr/src/linux-2.5.2/include/linux/file.h:25: warning: no semicolon at 
end of struct or union
/usr/src/linux-2.5.2/include/linux/file.h:36: parse error before `}'
/usr/src/linux-2.5.2/include/linux/file.h: In function `fcheck_files':
/usr/src/linux-2.5.2/include/linux/file.h:50: dereferencing pointer to 
incomplete type
/usr/src/linux-2.5.2/include/linux/file.h:51: dereferencing pointer to 
incomplete type
In file included from read_write.c:13:
/usr/src/linux-2.5.2/include/linux/dnotify.h: At top level:
/usr/src/linux-2.5.2/include/linux/dnotify.h:18: warning: `struct inode' 
declared inside parameter list
/usr/src/linux-2.5.2/include/linux/dnotify.h:18: warning: its scope is 
only this definition or declaration, which is probably not what you want.
/usr/src/linux-2.5.2/include/linux/dnotify.h:21: warning: `struct inode' 
declared inside parameter list
/usr/src/linux-2.5.2/include/linux/dnotify.h: In function 
`inode_dir_notify':
/usr/src/linux-2.5.2/include/linux/dnotify.h:23: dereferencing pointer 
to incomplete type
/usr/src/linux-2.5.2/include/linux/dnotify.h:24: warning: passing arg 1 
of `__inode_dir_notify' from incompatible pointer type
read_write.c: In function `sys_read':
read_write.c:167: warning: passing arg 1 of `inode_dir_notify' from 
incompatible pointer type
read_write.c: In function `sys_write':
read_write.c:194: warning: passing arg 1 of `inode_dir_notify' from 
incompatible pointer type
read_write.c: In function `do_readv_writev':
read_write.c:299: warning: passing arg 1 of `inode_dir_notify' from 
incompatible pointer type
read_write.c: In function `sys_pread':
read_write.c:371: warning: passing arg 1 of `inode_dir_notify' from 
incompatible pointer type
read_write.c: In function `sys_pwrite':
read_write.c:403: warning: passing arg 1 of `inode_dir_notify' from 
incompatible pointer type
make[2]: *** [read_write.o] Error 1
make[2]: Leaving directory `/usr/src/linux-2.5.2/fs'
make[1]: *** [first_rule] Error 2
make[1]: Leaving directory `/usr/src/linux-2.5.2/fs'
make: *** [_dir_fs] Error 2