/usr/src/kernel-patches/lustre/patches/vfs_intent-reduce-stack-usage-2.6-suse-newer.patch is in linux-patch-lustre 1.8.5+dfsg-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | ---
fs/namei.c | 5 +----
include/linux/namei.h | 7 +++++++
2 files changed, 8 insertions(+), 4 deletions(-)
--- linux-2.6.5-7.282.orig/fs/namei.c
+++ linux-2.6.5-7.282/fs/namei.c
@@ -2369,7 +2369,6 @@ static inline int
__vfs_follow_link(struct nameidata *nd, const char *link)
{
int res = 0;
- struct lookup_intent it = nd->intent;
char *name;
if (IS_ERR(link))
@@ -2382,9 +2381,7 @@ __vfs_follow_link(struct nameidata *nd,
goto out;
}
- intent_init(&nd->intent, it.it_op);
- nd->intent.it_flags = it.it_flags;
- nd->intent.it_create_mode = it.it_create_mode;
+ intent_reset_fs_part(&nd->intent);
res = link_path_walk(link, nd);
out:
if (current->link_count || res || nd->last_type!=LAST_NORM)
--- linux-2.6.5-7.282.orig/include/linux/namei.h
+++ linux-2.6.5-7.282/include/linux/namei.h
@@ -37,6 +37,13 @@ struct lookup_intent {
} d;
};
+static inline void intent_reset_fs_part(struct lookup_intent *it)
+{
+ memset(&it->d, 0, sizeof(it->d));
+ it->it_magic = INTENT_MAGIC;
+ it->it_op_release = NULL;
+}
+
static inline void intent_init(struct lookup_intent *it, int op)
{
memset(it, 0, sizeof(*it));
|