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fsnotify: allow ignored_mask to survive modification

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Some inodes a group may want to never hear about a set of events even if
the inode is modified.  We add a new mark flag which indicates that these
marks should not have their ignored_mask cleared on modification.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris
2009-12-17 21:24:33 -05:00
parent e898386146
commit c908370fc1
2 changed files with 5 additions and 2 deletions
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6
fs/notify/fsnotify.c
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@@ -148,7 +148,8 @@ void __fsnotify_flush_ignored_mask(struct inode *inode, void *data, int data_is)
if (!hlist_empty(&inode->i_fsnotify_marks)) {
spin_lock(&inode->i_lock);
hlist_for_each_entry(mark, node, &inode->i_fsnotify_marks, i.i_list) {
mark->ignored_mask = 0;
if (!(mark->flags & FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY))
mark->ignored_mask = 0;
}
spin_unlock(&inode->i_lock);
}
@@ -160,7 +161,8 @@ void __fsnotify_flush_ignored_mask(struct inode *inode, void *data, int data_is)
if (mnt && !hlist_empty(&mnt->mnt_fsnotify_marks)) {
spin_lock(&mnt->mnt_root->d_lock);
hlist_for_each_entry(mark, node, &mnt->mnt_fsnotify_marks, m.m_list) {
mark->ignored_mask = 0;
if (!(mark->flags & FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY))
mark->ignored_mask = 0;
}
spin_unlock(&mnt->mnt_root->d_lock);
}