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Subject[PATCH 3/4] proc: Show open file ID in /proc/pid/fdinfo/*
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

---
fs/proc/base.c | 6 ++++--
include/linux/mm.h | 1 +
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5eb0206..cb3e34c 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1934,9 +1934,11 @@ static int proc_fd_info(struct inode *inode, struct path *path, char *info)
if (info)
snprintf(info, PROC_FDINFO_MAX,
"pos:\t%lli\n"
- "flags:\t0%o\n",
+ "flags:\t0%o\n"
+ "id:\t%lu\n",
(long long) file->f_pos,
- f_flags);
+ f_flags,
+ gen_object_id(file, GEN_OBJ_ID_FILE));
spin_unlock(&files->file_lock);
put_files_struct(files);
return 0;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index cd4d727..caa42ca 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1629,6 +1629,7 @@ extern void copy_user_huge_page(struct page *dst, struct page *src,

enum {
GEN_OBJ_ID_NS,
+ GEN_OBJ_ID_FILE,
GEN_OBJ_ID_TYPES,
};

--
1.5.5.6

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