[PATCH 1/5] Add additional owner identifier
From: Dmitry Monakhov <hidden>
Date: 2012-06-21 09:09:03
Also in:
linux-fsdevel
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
This patch add project inode identifier. Project ID may be used as auxiliary owner specifier in addition to standard uid/gid. Signed-off-by: Dmitry Monakhov <redacted> --- fs/Kconfig | 7 +++++++ include/linux/fs.h | 1 + include/linux/xattr.h | 3 +++ 3 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/fs/Kconfig b/fs/Kconfig
index c8554b5..1932458 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig@@ -60,6 +60,13 @@ config FILE_LOCKING This option enables standard file locking support, required for filesystems like NFS and for the flock() system call. Disabling this option saves about 11k. +config PROJECT_ID + bool "Enable project inode identifier" + default y + help + This option enables project inode identifier. Project ID + may be used as auxiliary owner specifier in addition to + standard uid/gid. source "fs/notify/Kconfig"
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b0a6d44..6779fc2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h@@ -1739,6 +1739,7 @@ struct super_operations { int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); int (*nr_cached_objects)(struct super_block *); void (*free_cached_objects)(struct super_block *, int); + u32 (*get_prjid)(const struct inode *inode); }; /*
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index e5d1220..f8a83c3 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h@@ -61,6 +61,9 @@ #include <linux/types.h> +#define XATTR_PRJID "system.project_id" +#define XATTR_PRJID_LEN (sizeof (XATTR_PRJID)) + struct inode; struct dentry;
--
1.7.1