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kernel: add patch and config

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Add config file for x86 KVM.
Add 9p patch to always use cached inode.

fixes #17

Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit is contained in:
Julio Montes 2018-04-19 15:34:39 -05:00
parent d0085e8edf
commit 33195f8abd
3 changed files with 2681 additions and 0 deletions
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21
kernel/configs/README.md Normal file
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@ -0,0 +1,21 @@
## How to use config files
config files must be copied in the kernel source code directory and renamed to `.config`
For example:
```
cp x86_kata_kvm_4.14.x linux-4.14.22/.config
pushd linux-4.14.22
make ARCH=x86_64 -j4
```
## How to modify config files
```
cp x86_kata_kvm_4.14.x linux-4.14.22/.config
pushd linux-4.14.22
make menuconfig
popd
cp linux-4.14.22/.config x86_kata_kvm_4.14.x
```

2613
kernel/configs/x86_kata_kvm_4.14.x Normal file
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47
kernel/patches/0001-NO-UPSTREAM-9P-always-use-cached-inode-to-fill-in-v9.patch Normal file
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@ -0,0 +1,47 @@
From 0a235af3130a0c40fe2198f18198c7ac4e799a03 Mon Sep 17 00:00:00 2001
From: Julio Montes <julio.montes@intel.com>
Date: Mon, 18 Sep 2017 11:46:59 -0500
Subject: [PATCH 2/3] NO-UPSTREAM: 9P: always use cached inode to fill in
v9fs_vfs_getattr
So that if in cache=none mode, we don't have to lookup server that
might not support open-unlink-fstat operation.
fixes https://github.com/01org/cc-oci-runtime/issues/47
fixes https://github.com/01org/cc-oci-runtime/issues/1062
Signed-off-by: Peng Tao <bergwolf@gmail.com>
---
fs/9p/vfs_inode.c | 2 +-
fs/9p/vfs_inode_dotl.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index bdabb27..30395e0 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1068,7 +1068,7 @@ v9fs_vfs_getattr(const struct path *path, struct kstat *stat,
p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
v9ses = v9fs_dentry2v9ses(dentry);
- if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+ if (!d_really_is_negative(dentry) || v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
generic_fillattr(d_inode(dentry), stat);
return 0;
}
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 7f6ae21..5d7e970 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -481,7 +481,7 @@ v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat,
p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry);
v9ses = v9fs_dentry2v9ses(dentry);
- if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
+ if (!d_really_is_negative(dentry) || v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
generic_fillattr(d_inode(dentry), stat);
return 0;
}
--
2.9.5