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Sat, 30 May 2026 18:03:04 -0700 (PDT) From: Askar Safin To: linux-fsdevel@vger.kernel.org, Christian Brauner , Alexander Viro , Jan Kara Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, netdev@vger.kernel.org, Linus Torvalds , Matthew Wilcox , Jens Axboe , Christoph Hellwig , David Howells , Andrew Morton , David Hildenbrand , Pedro Falcato , Miklos Szeredi , patches@lists.linux.dev Subject: [PATCH 3/3] splice: remove PIPE_BUF_FLAG_GIFT Date: Sun, 31 May 2026 01:01:07 +0000 Message-ID: <20260531010107.1953702-4-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260531010107.1953702-1-safinaskar@gmail.com> References: <20260531010107.1953702-1-safinaskar@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: DB8F012000B X-Rspamd-Server: rspam03 X-Stat-Signature: uzd7ysx3yidqyz6u5r8idgpp7dt9enj3 X-HE-Tag: 1780189386-21025 X-HE-Meta: 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 111vQOsj R76gX0CT4pu6n+wROeX4hC3EF2AFW8/C0wiLS/S36Ed3cX/NeNYsQ4Gwj1FITgd8ZnuZlrjdM8GblrokYdZbVdlFeP3oQUepreaNYZHrrqLy/co0u9K2/QJtNXQYpZZdRrOwSbtWqmm6H09gvuqInFTy7wdNnbD6zcT5uG5JdMKQ9KCD7aqQxzZ7uIwMbgXTa9c4bvhw4Xi6dVk7Ne1HuaBSgjTcADdzElKq+bMvLJA9BmxNS2SUT4m92N30vjFftKLhHevneOe5Bpi381X1qyeUTpPoiUWXaNh8QkxoyNG7Uah2aygjMoDWX0VXuUddBrSrqTiQKVM8FITyg/C2dlZLUsCMUukUYiJUyCJoDyHb74yG7DiYpeoUXZhn2g9Ahy2r8wRjdD01hyfEm5tQVXMPrYWURYgyZjN5Ygmyo8jcWL+uw2gUMfd49ITC2xNEOrxlvz+7KJCKbn2gMkJ2uTAff7Q== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: It is unused now. Signed-off-by: Askar Safin --- fs/fuse/dev.c | 1 - fs/splice.c | 6 ++---- include/linux/pipe_fs_i.h | 1 - 3 files changed, 2 insertions(+), 6 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 5dda7080f4a9..fb8fe0c96692 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -2352,7 +2352,6 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe, goto out_free; *obuf = *ibuf; - obuf->flags &= ~PIPE_BUF_FLAG_GIFT; obuf->len = rem; ibuf->offset += obuf->len; ibuf->len -= obuf->len; diff --git a/fs/splice.c b/fs/splice.c index b1a4e3713bd6..6ddf7dd72f7b 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -1622,10 +1622,9 @@ static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe, *obuf = *ibuf; /* - * Don't inherit the gift and merge flags, we need to + * Don't inherit the merge flag, we need to * prevent multiple steals of this page. */ - obuf->flags &= ~PIPE_BUF_FLAG_GIFT; obuf->flags &= ~PIPE_BUF_FLAG_CAN_MERGE; obuf->len = len; @@ -1711,10 +1710,9 @@ static ssize_t link_pipe(struct pipe_inode_info *ipipe, *obuf = *ibuf; /* - * Don't inherit the gift and merge flag, we need to prevent + * Don't inherit the merge flag, we need to prevent * multiple steals of this page. */ - obuf->flags &= ~PIPE_BUF_FLAG_GIFT; obuf->flags &= ~PIPE_BUF_FLAG_CAN_MERGE; if (obuf->len > len) diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 7f6a92ac9704..a1eeed800669 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -6,7 +6,6 @@ #define PIPE_BUF_FLAG_LRU 0x01 /* page is on the LRU */ #define PIPE_BUF_FLAG_ATOMIC 0x02 /* was atomically mapped */ -#define PIPE_BUF_FLAG_GIFT 0x04 /* page is a gift */ #define PIPE_BUF_FLAG_PACKET 0x08 /* read() as a packet */ #define PIPE_BUF_FLAG_CAN_MERGE 0x10 /* can merge buffers */ #define PIPE_BUF_FLAG_WHOLE 0x20 /* read() must return entire buffer or error */ -- 2.47.3