linux-kernel - [PATCH] btrfs: block-group: Rework documentation of check_system

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Message-Id: <20191008005038.12333-1-marcos.souza.org@gmail.com>
Date:   Mon,  7 Oct 2019 21:50:38 -0300
From:   Marcos Paulo de Souza <marcos.souza.org@...il.com>
To:     dsterba@...e.com, clm@...com
Cc:     Marcos Paulo de Souza <marcos.souza.org@...il.com>,
        Josef Bacik <josef@...icpanda.com>,
        linux-btrfs@...r.kernel.org (open list:BTRFS FILE SYSTEM),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] btrfs: block-group: Rework documentation of check_system_chunk function

Commit 4617ea3a52cf (" Btrfs: fix necessary chunk tree space calculation
when allocating a chunk") removed the is_allocation argument from
check_system_chunk, since the formula for reserving the necessary space
for allocation or removing a chunk would be the same.

So, rework the comment by removing the mention of is_allocation
argument.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@...il.com>
---
 fs/btrfs/block-group.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index bf7e3f23bba7..4910921838db 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -2987,9 +2987,7 @@ static u64 get_profile_num_devs(struct btrfs_fs_info *fs_info, u64 type)
 }

 /*
- * If @is_allocation is true, reserve space in the system space info necessary
- * for allocating a chunk, otherwise if it's false, reserve space necessary for
- * removing a chunk.
+ * Reserve space in the system space for allocating or removing a chunk
  */
 void check_system_chunk(struct btrfs_trans_handle *trans, u64 type)
 {
--
2.23.0