diff options
Diffstat (limited to 'fs/notify')
| -rw-r--r-- | fs/notify/fanotify/fanotify_user.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 4201723357cf..04a0b31f325d 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -1412,18 +1412,6 @@ static int fanotify_add_inode_mark(struct fsnotify_group *group, struct inode *inode, __u32 mask, unsigned int flags, struct fan_fsid *fsid) { - pr_debug("%s: group=%p inode=%p\n", __func__, group, inode); - - /* - * If some other task has this inode open for write we should not add - * an ignore mask, unless that ignore mask is supposed to survive - * modification changes anyway. - */ - if ((flags & FANOTIFY_MARK_IGNORE_BITS) && - !(flags & FAN_MARK_IGNORED_SURV_MODIFY) && - inode_is_open_for_write(inode)) - return 0; - return fanotify_add_mark(group, &inode->i_fsnotify_marks, FSNOTIFY_OBJ_TYPE_INODE, mask, flags, fsid); } @@ -1913,12 +1901,23 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask, else mnt = path.mnt; - ret = mnt ? -EINVAL : -EISDIR; - /* FAN_MARK_IGNORE requires SURV_MODIFY for sb/mount/dir marks */ - if (mark_cmd == FAN_MARK_ADD && ignore == FAN_MARK_IGNORE && - (mnt || S_ISDIR(inode->i_mode)) && - !(flags & FAN_MARK_IGNORED_SURV_MODIFY)) - goto path_put_and_out; + /* + * If some other task has this inode open for write we should not add + * an ignore mask, unless that ignore mask is supposed to survive + * modification changes anyway. + */ + if (mark_cmd == FAN_MARK_ADD && (flags & FANOTIFY_MARK_IGNORE_BITS) && + !(flags & FAN_MARK_IGNORED_SURV_MODIFY)) { + ret = mnt ? -EINVAL : -EISDIR; + /* FAN_MARK_IGNORE requires SURV_MODIFY for sb/mount/dir marks */ + if (ignore == FAN_MARK_IGNORE && + (mnt || S_ISDIR(inode->i_mode))) + goto path_put_and_out; + + ret = 0; + if (inode && inode_is_open_for_write(inode)) + goto path_put_and_out; + } /* Mask out FAN_EVENT_ON_CHILD flag for sb/mount/non-dir marks */ if (mnt || !S_ISDIR(inode->i_mode)) { |