svn commit: r319849 - head/sys/compat/linux
Dmitry Chagin
dchagin at FreeBSD.org
Mon Jun 12 07:36:01 UTC 2017
Author: dchagin
Date: Mon Jun 12 07:35:59 2017
New Revision: 319849
URL: https://svnweb.freebsd.org/changeset/base/319849
Log:
Since r318735 (ino64 project) the size of the native struct dirent is
equal or greater than the size of Linux struct dirent or struct dirent64.
So, remove LINUX_RECLEN_RATIO magic as useless.
Modified:
head/sys/compat/linux/linux_file.c
Modified: head/sys/compat/linux/linux_file.c
==============================================================================
--- head/sys/compat/linux/linux_file.c Mon Jun 12 06:08:57 2017 (r319848)
+++ head/sys/compat/linux/linux_file.c Mon Jun 12 07:35:59 2017 (r319849)
@@ -309,16 +309,6 @@ struct l_dirent64 {
#define LINUX_DIRBLKSIZ 512
-/*
- * Linux l_dirent is bigger than FreeBSD dirent, thus the buffer size
- * passed to kern_getdirentries() must be smaller than the one passed
- * to linux_getdents() by certain factor.
- */
-#define LINUX_RECLEN_RATIO(X) X * offsetof(struct dirent, d_name) / \
- offsetof(struct l_dirent, d_name);
-#define LINUX_RECLEN64_RATIO(X) X * offsetof(struct dirent, d_name) / \
- offsetof(struct l_dirent64, d_name);
-
int
linux_getdents(struct thread *td, struct linux_getdents_args *args)
{
@@ -337,8 +327,7 @@ linux_getdents(struct thread *td, struct linux_getdent
if (ldebug(getdents))
printf(ARGS(getdents, "%d, *, %d"), args->fd, args->count);
#endif
- buflen = LINUX_RECLEN_RATIO(args->count);
- buflen = min(buflen, MAXBSIZE);
+ buflen = min(args->count, MAXBSIZE);
buf = malloc(buflen, M_TEMP, M_WAITOK);
error = kern_getdirentries(td, args->fd, buf, buflen,
@@ -418,8 +407,7 @@ linux_getdents64(struct thread *td, struct linux_getde
if (ldebug(getdents64))
uprintf(ARGS(getdents64, "%d, *, %d"), args->fd, args->count);
#endif
- buflen = LINUX_RECLEN64_RATIO(args->count);
- buflen = min(buflen, MAXBSIZE);
+ buflen = min(args->count, MAXBSIZE);
buf = malloc(buflen, M_TEMP, M_WAITOK);
error = kern_getdirentries(td, args->fd, buf, buflen,
@@ -495,7 +483,6 @@ linux_readdir(struct thread *td, struct linux_readdir_
printf(ARGS(readdir, "%d, *"), args->fd);
#endif
buflen = LINUX_RECLEN(LINUX_NAME_MAX);
- buflen = LINUX_RECLEN_RATIO(buflen);
buf = malloc(buflen, M_TEMP, M_WAITOK);
error = kern_getdirentries(td, args->fd, buf, buflen,
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