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authorJan Engelhardt <jengelh@medozas.de>2009-12-09 22:00:38 +0000
committerChris Mason <chris.mason@oracle.com>2010-01-17 20:06:27 -0500
commit406266ab9ac8ed8b085c58aacd9e3161480dc5d5 (patch)
tree811d305c4c4fdf6b19279173959d06698a304416 /fs/btrfs/inode.c
parent3a1abec9f6880cf406593c392636199ea1c6c917 (diff)
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btrfs: fix missing last-entry in readdir(3)
parent 49313cdac7b34c9f7ecbb1780cfc648b1c082cd7 (v2.6.32-1-g49313cd) commit ff48c08e1c05c67e8348ab6f8a24de8034e0e34d Author: Jan Engelhardt <jengelh@medozas.de> 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 <jengelh@medozas.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c6
1 files changed, 5 insertions, 1 deletions
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: