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-rw-r--r--module/zfs/zfs_vnops.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index 00534d845..107211f83 100644
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -335,7 +335,7 @@ mappedread(struct inode *ip, int nbytes, uio_t *uio)
}
#endif /* _KERNEL */
-offset_t zfs_read_chunk_size = 1024 * 1024; /* Tunable */
+unsigned long zfs_read_chunk_size = 1024 * 1024; /* Tunable */
/*
* Read bytes from specified file into supplied buffer.
@@ -4716,3 +4716,8 @@ zfs_retzcbuf(struct inode *ip, xuio_t *xuio, cred_t *cr)
return (0);
}
#endif /* HAVE_UIO_ZEROCOPY */
+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+module_param(zfs_read_chunk_size, long, 0644);
+MODULE_PARM_DESC(zfs_read_chunk_size, "Bytes to read per chunk");
+#endif