All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Sterba <dsterba@suse.com>
To: linux-btrfs@vger.kernel.org
Cc: David Sterba <dsterba@suse.com>
Subject: [PATCH 5/9] btrfs: document byte swap optimization of root_item::flags accessors
Date: Tue, 25 May 2021 19:08:34 +0200	[thread overview]
Message-ID: <aa044ee1e458071530d3f74f53cddc72010f3f63.1621961965.git.dsterba@suse.com> (raw)
In-Reply-To: <cover.1621961965.git.dsterba@suse.com>

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/ctree.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d78cb2d89d7e..a3b628ea4d64 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2216,11 +2216,13 @@ BTRFS_SETGET_STACK_FUNCS(root_rtransid, struct btrfs_root_item,
 
 static inline bool btrfs_root_readonly(const struct btrfs_root *root)
 {
+	/* Byte-swap the constant at compile time, root_item::flags is LE */
 	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_RDONLY)) != 0;
 }
 
 static inline bool btrfs_root_dead(const struct btrfs_root *root)
 {
+	/* Byte-swap the constant at compile time, root_item::flags is LE */
 	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_DEAD)) != 0;
 }
 
-- 
2.29.2


  parent reply	other threads:[~2021-05-25 17:11 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25 17:08 [PATCH 0/9] Misc fixups and cleanups David Sterba
2021-05-25 17:08 ` [PATCH 1/9] btrfs: sysfs: fix format string for some discard stats David Sterba
2021-05-25 23:47   ` Qu Wenruo
2021-05-26  6:01   ` Anand Jain
2021-05-25 17:08 ` [PATCH 2/9] btrfs: clear defrag status of a root if starting transaction fails David Sterba
2021-05-25 23:49   ` Qu Wenruo
2021-05-26  6:05   ` Anand Jain
2021-05-25 17:08 ` [PATCH 3/9] btrfs: clear log tree recovering status " David Sterba
2021-05-25 23:50   ` Qu Wenruo
2021-05-26  6:57   ` Anand Jain
2021-05-25 17:08 ` [PATCH 4/9] btrfs: scrub: factor out common scrub_stripe constraints David Sterba
2021-05-25 23:51   ` Qu Wenruo
2021-05-26  7:16   ` Anand Jain
2021-05-25 17:08 ` David Sterba [this message]
2021-05-26  7:28   ` [PATCH 5/9] btrfs: document byte swap optimization of root_item::flags accessors Anand Jain
2021-05-25 17:08 ` [PATCH 6/9] btrfs: reduce compressed_bio members' types David Sterba
2021-05-26  8:40   ` [PATCH] btrfs: optimize users of members of the struct compressed_bio Anand Jain
2021-05-26 16:34     ` David Sterba
2021-05-26  8:41   ` [PATCH 6/9] btrfs: reduce compressed_bio members' types Anand Jain
2021-05-25 17:08 ` [PATCH 7/9] btrfs: remove extra sb::s_id from message in btrfs_validate_metadata_buffer David Sterba
2021-05-25 23:59   ` Qu Wenruo
2021-05-26 12:54   ` Anand Jain
2021-05-25 17:08 ` [PATCH 8/9] btrfs: simplify eb checksum verification " David Sterba
2021-05-26  0:05   ` Qu Wenruo
2021-05-26 16:31     ` David Sterba
2021-05-26 16:58       ` David Sterba
2021-05-26 23:13         ` Qu Wenruo
2021-05-26 23:13           ` David Sterba
2021-05-25 17:08 ` [PATCH 9/9] btrfs: clean up header members offsets in write helpers David Sterba
2021-05-26  0:07   ` Qu Wenruo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aa044ee1e458071530d3f74f53cddc72010f3f63.1621961965.git.dsterba@suse.com \
    --to=dsterba@suse.com \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.