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| author | David S. Miller | 2019-06-22 14:59:24 +0200 |
|---|---|---|
| committer | David S. Miller | 2019-06-22 14:59:24 +0200 |
| commit | 92ad6325cb891bb455487bfe90cc47d18aa6ec37 (patch) | |
| tree | 433a7ef938fae69789216043f67eff9f9c6b0c68 /fs/notify/mark.c | |
| parent | Merge branch 'PCI-let-pci_disable_link_state-propagate-errors' (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | kernel-qcow2-linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.tar.gz kernel-qcow2-linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.tar.xz kernel-qcow2-linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor SPDX change conflict.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/notify/mark.c')
| -rw-r--r-- | fs/notify/mark.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 25eb247ea85a..99ddd126f6f0 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -482,10 +482,13 @@ static int fsnotify_attach_connector_to_object(fsnotify_connp_t *connp, conn->type = type; conn->obj = connp; /* Cache fsid of filesystem containing the object */ - if (fsid) + if (fsid) { conn->fsid = *fsid; - else + conn->flags = FSNOTIFY_CONN_FLAG_HAS_FSID; + } else { conn->fsid.val[0] = conn->fsid.val[1] = 0; + conn->flags = 0; + } if (conn->type == FSNOTIFY_OBJ_TYPE_INODE) inode = igrab(fsnotify_conn_inode(conn)); /* @@ -560,7 +563,12 @@ restart: if (err) return err; goto restart; - } else if (fsid && (conn->fsid.val[0] || conn->fsid.val[1]) && + } else if (fsid && !(conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID)) { + conn->fsid = *fsid; + /* Pairs with smp_rmb() in fanotify_get_fsid() */ + smp_wmb(); + conn->flags |= FSNOTIFY_CONN_FLAG_HAS_FSID; + } else if (fsid && (conn->flags & FSNOTIFY_CONN_FLAG_HAS_FSID) && (fsid->val[0] != conn->fsid.val[0] || fsid->val[1] != conn->fsid.val[1])) { /* |