From: Omar Sandoval <osandov@osandov.com>
To: Nikolay Borisov <nborisov@suse.com>
Cc: linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH 04/26] libbtrfsutil: add btrfs_util_is_subvolume() and btrfs_util_subvolume_id()
Date: Mon, 29 Jan 2018 13:43:54 -0800 [thread overview]
Message-ID: <20180129214354.GA1362@vader.DHCP.thefacebook.com> (raw)
In-Reply-To: <c1c4fa63-7ab5-ad6a-d1a4-066ac58be161@suse.com>
On Mon, Jan 29, 2018 at 12:24:26PM +0200, Nikolay Borisov wrote:
> On 26.01.2018 20:40, Omar Sandoval wrote:
[snip]
> > +/*
> > + * This intentionally duplicates btrfs_util_f_is_subvolume() instead of opening
> > + * a file descriptor and calling it, because fstat() and fstatfs() don't accept
> > + * file descriptors opened with O_PATH on old kernels (before v3.6 and before
> > + * v3.12, respectively), but stat() and statfs() can be called on a path that
> > + * the user doesn't have read or write permissions to.
> > + */
> > +__attribute__((visibility("default")))
>
> Why do we need to explicitly set the attribute visibility to default,
> isn't it implicitly default already?
Ah, I forgot to add -fvisibility=hidden to the build rule when I ported
this to the btrfs-progs Makefile, that's why that's there. I'll add
-fvisibility=hidden to the Makefile.
next prev parent reply other threads:[~2018-01-29 21:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-26 18:40 [PATCH 00/26] btrfs-progs: introduce libbtrfsutil, "btrfs-progs as a library" Omar Sandoval
2018-01-26 18:40 ` [PATCH 01/26] btrfs-progs: get rid of undocumented qgroup inheritance options Omar Sandoval
2018-01-27 4:35 ` Qu Wenruo
2018-01-26 18:40 ` [PATCH 02/26] Add libbtrfsutil Omar Sandoval
2018-01-29 2:16 ` Qu Wenruo
2018-01-29 23:45 ` Omar Sandoval
2018-01-26 18:40 ` [PATCH 03/26] libbtrfsutil: add Python bindings Omar Sandoval
2018-01-26 18:40 ` [PATCH 04/26] libbtrfsutil: add btrfs_util_is_subvolume() and btrfs_util_subvolume_id() Omar Sandoval
2018-01-29 10:24 ` Nikolay Borisov
2018-01-29 21:43 ` Omar Sandoval [this message]
2018-01-30 6:54 ` Nikolay Borisov
2018-02-01 16:28 ` David Sterba
2018-02-02 19:14 ` Omar Sandoval
2018-01-26 18:40 ` [PATCH 05/26] libbtrfsutil: add qgroup inheritance helpers Omar Sandoval
2018-01-26 18:40 ` [PATCH 06/26] libbtrfsutil: add btrfs_util_create_subvolume() Omar Sandoval
2018-01-26 18:40 ` [PATCH 07/26] libbtrfsutil: add btrfs_util_subvolume_info() Omar Sandoval
2018-01-26 18:40 ` [PATCH 08/26] libbtrfsutil: add btrfs_util_[gs]et_read_only() Omar Sandoval
2018-01-26 18:40 ` [PATCH 09/26] libbtrfsutil: add btrfs_util_[gs]et_default_subvolume() Omar Sandoval
2018-01-26 18:40 ` [PATCH 10/26] libbtrfsutil: add subvolume iterator helpers Omar Sandoval
2018-01-26 18:40 ` [PATCH 11/26] libbtrfsutil: add btrfs_util_create_snapshot() Omar Sandoval
2018-01-26 19:31 ` Goffredo Baroncelli
2018-01-26 19:46 ` Omar Sandoval
2018-01-27 5:00 ` Qu Wenruo
2018-01-27 5:45 ` Omar Sandoval
2018-01-27 14:19 ` Goffredo Baroncelli
2018-01-27 16:31 ` Nikolay Borisov
2018-01-27 18:54 ` Omar Sandoval
2018-01-26 18:41 ` [PATCH 12/26] libbtrfsutil: add btrfs_util_delete_subvolume() Omar Sandoval
2018-01-26 18:41 ` [PATCH 13/26] libbtrfsutil: add btrfs_util_deleted_subvolumes() Omar Sandoval
2018-01-26 18:41 ` [PATCH 14/26] libbtrfsutil: add filesystem sync helpers Omar Sandoval
2018-01-26 18:41 ` [PATCH 15/26] btrfs-progs: use libbtrfsutil for read-only property Omar Sandoval
2018-01-26 18:41 ` [PATCH 16/26] btrfs-progs: use libbtrfsutil for sync ioctls Omar Sandoval
2018-01-26 18:41 ` [PATCH 17/26] btrfs-progs: use libbtrfsutil for set-default Omar Sandoval
2018-01-26 18:41 ` [PATCH 18/26] btrfs-progs: use libbtrfsutil for get-default Omar Sandoval
2018-01-26 18:41 ` [PATCH 19/26] btrfs-progs: use libbtrfsutil for subvol create and snapshot Omar Sandoval
2018-01-26 18:41 ` [PATCH 20/26] btrfs-progs: use libbtrfsutil for subvol delete Omar Sandoval
2018-01-26 18:41 ` [PATCH 21/26] btrfs-progs: use libbtrfsutil for subvol show Omar Sandoval
2018-02-02 23:18 ` Hans van Kranenburg
2018-02-02 23:29 ` Omar Sandoval
2018-01-26 18:41 ` [PATCH 22/26] btrfs-progs: use libbtrfsutil for subvol sync Omar Sandoval
2018-01-26 18:41 ` [PATCH 23/26] btrfs-progs: replace test_issubvolume() with btrfs_util_is_subvolume() Omar Sandoval
2018-01-26 18:41 ` [PATCH 24/26] btrfs-progs: add recursive snapshot/delete using libbtrfsutil Omar Sandoval
2018-01-26 18:41 ` [PATCH 25/26] btrfs-progs: deprecate libbtrfs helpers with libbtrfsutil equivalents Omar Sandoval
2018-02-02 14:49 ` David Sterba
2018-01-26 18:41 ` [PATCH 26/26] btrfs-progs: use libbtrfsutil for subvolume list Omar Sandoval
2018-01-26 18:51 ` [PATCH 00/26] btrfs-progs: introduce libbtrfsutil, "btrfs-progs as a library" Hugo Mills
2018-02-02 23:04 ` Hans van Kranenburg
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