[Bugs] [Bug 1175711] posix: Set correct d_type for readdirp() calls
bugzilla at redhat.com
bugzilla at redhat.com
Mon May 2 05:32:25 UTC 2016
https://bugzilla.redhat.com/show_bug.cgi?id=1175711
--- Comment #7 from Vijay Bellur <vbellur at redhat.com> ---
COMMIT: http://review.gluster.org/14095 committed in master by Jeff Darcy
(jdarcy at redhat.com)
------
commit 77def44d497d090ef3f393b6d9403c1a29dcf993
Author: Prashanth Pai <ppai at redhat.com>
Date: Wed Apr 27 13:37:07 2016 +0530
posix: Set correct d_type for readdirp() calls
dirent.d_type can contain the type of the directory entry. The 'd_type'
struct member in dirent is present in Linux and many BSD flavours.
However, filling d_type with correct value requires support from the
underlying filesystem. If not, d_type is set to DT_UNKNOWN. XFS added
support for d_type as part of their newer version 5 on-disk format.
However, this requires Linux >= 3.15, xfsprogs >= 3.2.0 and the bricks
to be formatted using the new format.
This patch enables posix xlator to set d_type to the right value even
when the underlying filesystem does not support it. d_type can be set
using information previously fetched by stat() on the dir entry.
This will aid FUSE applications to leverage d_type to avoid the expense
of calling lstat() if further actions depend on the type of the file.
Refer `man 3 readdir` and `man 2 getdents`
BUG: 1175711
Change-Id: Ic5a262fe4c64122726b4fae2d1bea375c559ca04
Signed-off-by: Prashanth Pai <ppai at redhat.com>
Reviewed-on: http://review.gluster.org/14095
Smoke: Gluster Build System <jenkins at build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins at build.gluster.org>
CentOS-regression: Gluster Build System <jenkins at build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy at redhat.com>
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