On 12/30/2013 05:45 AM, Li Wang wrote: > This patch extends 'fadvise' to support directory level page cache > cleaning. The call to posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED) > with 'fd' referring to a directory will recursively reclaim page cache > entries of files inside 'fd'. For secruity concern, those inodes > which the caller does not own appropriate permissions will not > be manipulated. Why is this necessary to do in the kernel? Why not leave it to userspace to walk the filesystem(s)? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html