From: Jan Engelhardt Date: Wed, 9 Dec 2009 22:00:38 +0000 (+0000) Subject: btrfs: fix missing last-entry in readdir(3) X-Git-Tag: v2.6.32.19~54 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=77033193e0499bdafc35be3035ab2bd361d75052;p=karo-tx-linux.git btrfs: fix missing last-entry in readdir(3) commit 406266ab9ac8ed8b085c58aacd9e3161480dc5d5 upstream. parent 49313cdac7b34c9f7ecbb1780cfc648b1c082cd7 (v2.6.32-1-g49313cd) commit ff48c08e1c05c67e8348ab6f8a24de8034e0e34d Author: Jan Engelhardt Date: Wed Dec 9 22:57:36 2009 +0100 Btrfs: fix missing last-entry in readdir(3) When one does a 32-bit readdir(3), the last entry of a directory is missing. This is however not due to passing a large value to filldir, but it seems to have to do with glibc doing telldir or something quirky. In any case, this patch fixes it in practice. Signed-off-by: Jan Engelhardt Signed-off-by: Chris Mason Acked-by: Jeff Mahoney Signed-off-by: Greg Kroah-Hartman --- diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5440bab23635..d5aa97310943 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3995,7 +3995,11 @@ skip: /* Reached end of directory/root. Bump pos past the last item. */ if (key_type == BTRFS_DIR_INDEX_KEY) - filp->f_pos = INT_LIMIT(off_t); + /* + * 32-bit glibc will use getdents64, but then strtol - + * so the last number we can serve is this. + */ + filp->f_pos = 0x7fffffff; else filp->f_pos++; nopos: