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-rw-r--r--include/linux/vfs_compat.h22
-rw-r--r--include/sys/zfs_vnops.h1
2 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h
index bccf0d01f..17fa3ff7b 100644
--- a/include/linux/vfs_compat.h
+++ b/include/linux/vfs_compat.h
@@ -152,4 +152,26 @@ typedef int zpl_umode_t;
#define ZFS_IOC_GETFLAGS FS_IOC_GETFLAGS
#define ZFS_IOC_SETFLAGS FS_IOC_SETFLAGS
+#if defined(SEEK_HOLE) && defined(SEEK_DATA) && !defined(HAVE_LSEEK_EXECUTE)
+static inline loff_t
+lseek_execute(struct file *filp, struct inode *inode,
+ loff_t offset, loff_t maxsize)
+{
+ if (offset < 0 && !(filp->f_mode & FMODE_UNSIGNED_OFFSET))
+ return (-EINVAL);
+
+ if (offset > maxsize)
+ return (-EINVAL);
+
+ if (offset != filp->f_pos) {
+ spin_lock(&filp->f_lock);
+ filp->f_pos = offset;
+ filp->f_version = 0;
+ spin_unlock(&filp->f_lock);
+ }
+
+ return (offset);
+}
+#endif /* SEEK_HOLE && SEEK_DATA && !HAVE_LSEEK_EXECUTE */
+
#endif /* _ZFS_VFS_H */
diff --git a/include/sys/zfs_vnops.h b/include/sys/zfs_vnops.h
index 5da5eaf1d..75f7c128b 100644
--- a/include/sys/zfs_vnops.h
+++ b/include/sys/zfs_vnops.h
@@ -38,6 +38,7 @@ extern "C" {
extern int zfs_open(struct inode *ip, int mode, int flag, cred_t *cr);
extern int zfs_close(struct inode *ip, int flag, cred_t *cr);
+extern int zfs_holey(struct inode *ip, int cmd, loff_t *off);
extern int zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr);
extern int zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr);
extern int zfs_access(struct inode *ip, int mode, int flag, cred_t *cr);