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kernfs: introduce kernfs_node_id

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inode number and generation can identify a kernfs node. We are going to
export the identification by exportfs operations, so put ino and
generation into a separate structure. It's convenient when later patches
use the identification.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Shaohua Li
2017-07-12 11:49:50 -07:00
committed by Jens Axboe
parent 319ba91d35
commit c53cd490b1
6 changed files with 21 additions and 13 deletions
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4
fs/kernfs/file.c
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@@ -895,7 +895,7 @@ repeat:
* have the matching @file available. Look up the inodes
* and generate the events manually.
*/
inode = ilookup(info->sb, kn->ino);
inode = ilookup(info->sb, kn->id.ino);
if (!inode)
continue;
@@ -903,7 +903,7 @@ repeat:
if (parent) {
struct inode *p_inode;
p_inode = ilookup(info->sb, parent->ino);
p_inode = ilookup(info->sb, parent->id.ino);
if (p_inode) {
fsnotify(p_inode, FS_MODIFY | FS_EVENT_ON_CHILD,
inode, FSNOTIFY_EVENT_INODE, kn->name, 0);