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authorChristian Poessinger <christian@poessinger.com>2020-12-30 19:57:06 +0100
committerChristian Poessinger <christian@poessinger.com>2020-12-31 11:54:24 +0100
commit629814dea2e558fb4d28b786ac92850c14f76cd5 (patch)
tree599a036781d0433e2873eb273e8e375a2fc1b9ad /packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch
parentd14b0ee946bcd80e4f758764c784ffa6737f0a4b (diff)
downloadvyos-build-629814dea2e558fb4d28b786ac92850c14f76cd5.tar.gz
vyos-build-629814dea2e558fb4d28b786ac92850c14f76cd5.zip
Kernel: Initial support for 5.10.4
Diffstat (limited to 'packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch')
-rw-r--r--packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch81
1 files changed, 42 insertions, 39 deletions
diff --git a/packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch b/packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch
index 21f4cd60..93e9154e 100644
--- a/packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch
+++ b/packages/linux-kernel/patches/kernel/0002-inotify-support-for-stackable-filesystems.patch
@@ -1,4 +1,4 @@
-From 77ce1f672326050d6b47dbab4f52f0bbcd553a37 Mon Sep 17 00:00:00 2001
+From 1d625d2f745b61a718ce52cd1729f467c17defa6 Mon Sep 17 00:00:00 2001
From: Alex Harpin <development@landsofshadow.co.uk>
Date: Wed, 31 Dec 2014 10:33:38 +0000
Subject: [PATCH] VyOS: add inotify support for stackable filesystems
@@ -19,19 +19,20 @@ for bug #303, and will allow that commit to be reverted.
Bug #425 http://bugzilla.vyos.net/show_bug.cgi?id=425
(cherry picked from commit a93f1128bc83b5a6628da242e71c18ef05e81ea2)
+
---
fs/notify/inotify/Kconfig | 9 +++
- fs/notify/inotify/inotify_user.c | 110 ++++++++++++++++++++++++++++++-
- fs/overlayfs/super.c | 24 ++++++-
+ fs/notify/inotify/inotify_user.c | 114 ++++++++++++++++++++++++++++++-
+ fs/overlayfs/super.c | 27 ++++++--
include/linux/inotify.h | 28 ++++++++
- 4 files changed, 168 insertions(+), 3 deletions(-)
+ 4 files changed, 172 insertions(+), 6 deletions(-)
diff --git a/fs/notify/inotify/Kconfig b/fs/notify/inotify/Kconfig
-index 6736e47d94d8..84d9b31300c0 100644
+index 1cc8be25df7e..bc4acd1a6ea4 100644
--- a/fs/notify/inotify/Kconfig
+++ b/fs/notify/inotify/Kconfig
@@ -15,3 +15,12 @@ config INOTIFY_USER
- For more information, see <file:Documentation/filesystems/inotify.txt>
+ For more information, see <file:Documentation/filesystems/inotify.rst>
If unsure, say Y.
+
@@ -39,12 +40,12 @@ index 6736e47d94d8..84d9b31300c0 100644
+ bool "Inotify support for stackable filesystem"
+ select INOTIFY_USER
+ default y
-+ ---help---
++ help
+ Say Y here to enable inotify support for stackable filesystem.
+
+ If unsure, say N.
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
-index 81ffc8629fc4..cacedffa6534 100644
+index 186722ba3894..1ce328e506c8 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -15,6 +15,7 @@
@@ -55,7 +56,7 @@ index 81ffc8629fc4..cacedffa6534 100644
#include <linux/fsnotify_backend.h>
#include <linux/idr.h>
#include <linux/init.h> /* fs_initcall */
-@@ -75,6 +76,92 @@ struct ctl_table inotify_table[] = {
+@@ -75,6 +76,93 @@ struct ctl_table inotify_table[] = {
};
#endif /* CONFIG_SYSCTL */
@@ -78,10 +79,10 @@ index 81ffc8629fc4..cacedffa6534 100644
+
+ read_lock(&inotify_fs_lock);
+ list_for_each_entry(fse, &inotify_fs_list, list) {
-+ if (fse->fs_type == fs) {
-+ ret = fse;
-+ break;
-+ }
++ if (fse->fs_type == fs) {
++ ret = fse;
++ break;
++ }
+ }
+ read_unlock(&inotify_fs_lock);
+
@@ -134,6 +135,7 @@ index 81ffc8629fc4..cacedffa6534 100644
+EXPORT_SYMBOL_GPL(inotify_unregister_stackfs);
+
+#else
++
+static inline struct inotify_stackfs* inotify_get_stackfs(struct path *path)
+{
+ return NULL;
@@ -145,23 +147,26 @@ index 81ffc8629fc4..cacedffa6534 100644
+
+#endif /* CONFIG_INOTIFY_STACKFS */
+
- static inline __u32 inotify_arg_to_mask(u32 arg)
+ static inline __u32 inotify_arg_to_mask(struct inode *inode, u32 arg)
{
__u32 mask;
-@@ -332,7 +419,7 @@ static const struct file_operations inotify_fops = {
+@@ -334,8 +422,8 @@ static const struct file_operations inotify_fops = {
/*
* find_inode - resolve a user-given path to a specific inode
*/
-static int inotify_find_inode(const char __user *dirname, struct path *path,
+- unsigned int flags, __u64 mask)
+static inline int __inotify_find_inode(const char __user *dirname, struct path *path,
- unsigned int flags, __u64 mask)
++ unsigned int flags, __u64 mask)
{
int error;
-@@ -354,6 +441,27 @@ static int inotify_find_inode(const char __user *dirname, struct path *path,
+
+@@ -356,6 +444,28 @@ static int inotify_find_inode(const char __user *dirname, struct path *path,
return error;
}
-+static int inotify_find_inode(const char __user *dirname, struct path *path, unsigned flags, __u64 mask)
++static int inotify_find_inode(const char __user *dirname, struct path *path,
++ unsigned int flags, __u64 mask)
+{
+ int ret;
+ struct path tpath;
@@ -186,7 +191,7 @@ index 81ffc8629fc4..cacedffa6534 100644
struct inotify_inode_mark *i_mark)
{
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
-index d6b724beb304..380ac598f2e4 100644
+index 290983bcfbb3..c751b0c8d9e5 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -15,6 +15,7 @@
@@ -197,7 +202,7 @@ index d6b724beb304..380ac598f2e4 100644
#include "overlayfs.h"
MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
-@@ -1758,6 +1759,18 @@ static void ovl_inode_init_once(void *foo)
+@@ -2040,6 +2041,18 @@ static void ovl_inode_init_once(void *foo)
inode_init_once(&oi->vfs_inode);
}
@@ -216,20 +221,26 @@ index d6b724beb304..380ac598f2e4 100644
static int __init ovl_init(void)
{
int err;
-@@ -1772,13 +1785,21 @@ static int __init ovl_init(void)
-
- err = register_filesystem(&ovl_fs_type);
- if (err)
-- kmem_cache_destroy(ovl_inode_cachep);
-+ goto err;
-+ err = inotify_register_stackfs(&ovl_inotify);
-+ if (err)
-+ goto err;
-+ return err;
+@@ -2055,18 +2068,24 @@ static int __init ovl_init(void)
+ err = ovl_aio_request_cache_init();
+ if (!err) {
+ err = register_filesystem(&ovl_fs_type);
+- if (!err)
+- return 0;
++ if (err)
++ goto err;
++ err = inotify_register_stackfs(&ovl_inotify);
++ if (err)
++ goto err;
++ return 0;
+- ovl_aio_request_cache_destroy();
+ }
+err:
-+ kmem_cache_destroy(ovl_inode_cachep);
+ kmem_cache_destroy(ovl_inode_cachep);
+-
+ unregister_filesystem(&ovl_fs_type);
++ ovl_aio_request_cache_destroy();
return err;
}
@@ -239,14 +250,6 @@ index d6b724beb304..380ac598f2e4 100644
unregister_filesystem(&ovl_fs_type);
/*
-@@ -1787,7 +1808,6 @@ static void __exit ovl_exit(void)
- */
- rcu_barrier();
- kmem_cache_destroy(ovl_inode_cachep);
--
- }
-
- module_init(ovl_init);
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index 6a24905f6e1e..4484f0760588 100644
--- a/include/linux/inotify.h