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| author | Stefan Agner <stefan.agner@toradex.com> | 2016-12-20 17:04:49 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-01-11 15:56:37 +0100 |
| commit | cd2eb96658b73d3110071c848029767c3f43c0da (patch) | |
| tree | f1146834fabd0edeac26dec1ac5d7565a2733e7b /fs/kernfs/file.c | |
| parent | 56ffbfa0a24d8fd51ce9a7f79e36150a75b68c2a (diff) | |
| parent | a34f0e8a2f8976f0bae4962edf2af4dd16cb85f7 (diff) | |
Merge tag 'v4.4.39' into toradex_vf_4.4-next
This is the 4.4.39 stable release
Diffstat (limited to 'fs/kernfs/file.c')
| -rw-r--r-- | fs/kernfs/file.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index 7247252ee9b1..6e9a912d394c 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -833,21 +833,35 @@ repeat: mutex_lock(&kernfs_mutex); list_for_each_entry(info, &kernfs_root(kn)->supers, node) { + struct kernfs_node *parent; struct inode *inode; - struct dentry *dentry; + /* + * We want fsnotify_modify() on @kn but as the + * modifications aren't originating from userland don't + * have the matching @file available. Look up the inodes + * and generate the events manually. + */ inode = ilookup(info->sb, kn->ino); if (!inode) continue; - dentry = d_find_any_alias(inode); - if (dentry) { - fsnotify_parent(NULL, dentry, FS_MODIFY); - fsnotify(inode, FS_MODIFY, inode, FSNOTIFY_EVENT_INODE, - NULL, 0); - dput(dentry); + parent = kernfs_get_parent(kn); + if (parent) { + struct inode *p_inode; + + p_inode = ilookup(info->sb, parent->ino); + if (p_inode) { + fsnotify(p_inode, FS_MODIFY | FS_EVENT_ON_CHILD, + inode, FSNOTIFY_EVENT_INODE, kn->name, 0); + iput(p_inode); + } + + kernfs_put(parent); } + fsnotify(inode, FS_MODIFY, inode, FSNOTIFY_EVENT_INODE, + kn->name, 0); iput(inode); } |