diff options
| author | Josef Bacik <jbacik@fb.com> | 2017-07-24 21:14:26 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-08-18 16:36:20 +0200 |
| commit | 42e9cc46fbe86f83278c14f5d88f353d037258d2 (patch) | |
| tree | a88c28f8b83f4f0b2eef1281047b33c43310c676 /fs/btrfs/delayed-inode.c | |
| parent | btrfs: fix readdir deadlock with pagefault (diff) | |
| download | linux-42e9cc46fbe86f83278c14f5d88f353d037258d2.tar.xz linux-42e9cc46fbe86f83278c14f5d88f353d037258d2.zip | |
btrfs: increase ctx->pos for delayed dir index
Our dir_context->pos is supposed to hold the next position we're
supposed to look. If we successfully insert a delayed dir index we
could end up with a duplicate entry because we don't increase ctx->pos
after doing the dir_emit.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/delayed-inode.c')
| -rw-r--r-- | fs/btrfs/delayed-inode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 8ae409b5a61d..19e4ad2f3f2e 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1727,6 +1727,7 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx, if (over) return 1; + ctx->pos++; } return 0; } |