LU-1305 osd: object operations for osd-zfs

[fs/lustre-release.git] / libsysio / src / truncate.c

diff --git a/libsysio/src/truncate.c b/libsysio/src/truncate.c
index 718f0af..27ef6b6 100644 (file)
--- a/libsysio/src/truncate.c
+++ b/libsysio/src/truncate.c
@@ -43,6 +43,7 @@
 
 #include <unistd.h>
 #include <string.h>
+#include <fcntl.h>
 #include <errno.h>
 #include <assert.h>
 #include <sys/types.h>
@@ -52,6 +53,8 @@
 #include "sysio.h"
 #include "inode.h"
 #include "file.h"
+#include "fs.h"
+#include "mount.h"
 
 #include "sysio-symbols.h"
 
@@ -71,9 +74,9 @@ do_truncate(struct pnode *pno, struct inode *ino, _SYSIO_OFF_T length)
                ino = pno->p_base->pb_ino;
        if (!ino)
                return -EBADF;
-       if (S_ISDIR(ino->i_mode))                       /* for others too? */
+       if (S_ISDIR(ino->i_stbuf.st_mode))              /* for others too? */
                return -EISDIR;
-       if (!S_ISREG(ino->i_mode))
+       if (!S_ISREG(ino->i_stbuf.st_mode))
                return -EINVAL;
 
        (void )memset(&stbuf, 0, sizeof(stbuf));
@@ -101,7 +104,7 @@ out:
        SYSIO_INTERFACE_RETURN(err ? -1 : 0, err);
 }
 
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
 #undef truncate64
 sysio_sym_weak_alias(PREPEND(_, SYSIO_INTERFACE_NAME(truncate)),
                     SYSIO_INTERFACE_NAME(truncate64))
@@ -133,12 +136,16 @@ PREPEND(_, SYSIO_INTERFACE_NAME(ftruncate))(int fd, _SYSIO_OFF_T length)
                err = -EBADF;
                goto out;
        }
+       if (!F_CHKRW(fil, 'w')) {
+               err = -EBADF;
+               goto out;
+       }
        err = do_truncate(NULL, fil->f_ino, length);
 out:
        SYSIO_INTERFACE_RETURN(err ? -1 : 0, err);
 }
 
-#if _LARGEFILE64_SOURCE
+#ifdef _LARGEFILE64_SOURCE
 #undef ftruncate64
 sysio_sym_weak_alias(PREPEND(_, SYSIO_INTERFACE_NAME(ftruncate)), 
                     SYSIO_INTERFACE_NAME(ftruncate64))