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Mon, 2 Nov 2026 18:26:54 +0000 (GMT) Received: from localhost.localdomain (unknown [9.39.25.71]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 2 Nov 2026 18:26:53 +0000 (GMT) From: Ojaswin Mujoo Date: Mon, 02 Nov 2026 23:56:16 +0530 Subject: [PATCH 1/8] ext4: add extra_flags param to ext4_convert_unwritten_extents() X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261102-ext4-endio-zero-bug-v1-1-266d2bb9e6dc@linux.ibm.com> References: <20261102-ext4-endio-zero-bug-v1-0-266d2bb9e6dc@linux.ibm.com> In-Reply-To: <20261102-ext4-endio-zero-bug-v1-0-266d2bb9e6dc@linux.ibm.com> To: "Theodore Ts'o" , Andreas Dilger , Baokun Li , Jan Kara , "Ritesh Harjani (IBM)" , Zhang Yi Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.3 X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: slXtpYDeSHKgCeJXCx1-MY1ngZ8PDYol X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAyMDA3MiBTYWx0ZWRfX/nPuMKCfzdQT K6W0SeBULc6RjXfCi/0U1tuJOIKLXC0bygOLqNup3V37uAvjKIENIVWoX36sZzCDBjnckSfVFez rsBCbMZ9WwYfMnmjHG3gWBZHhF40d+4Mt8NYh9LDjsmLDWd8WWiZTSkRejTL17Hvz7NEmLA1NGk ddjBDh0lr6dds1a7/7v/P27Jyqwylsu+05T08Wzu9DxTg6AlP7OhPrHzjePKrV4r1vJ70GHC1HS CUSnqfY7nEvxhQL0FE73T225RDuMNYuRVuBM324Y5hfZDCAenB/icicCY3iiIrh8euKXNK2/4mn wanl2o0+a1qqBYIERZD3L+ESNa2N7cIJwFctW0dF6uaXnri6xtBR+se7QYVdaHlctCGh4xImoek jHN77bvksYiijcb4F9aJsQeU5YU3TtN86SmMaqstuoEucN9FiFIpL+OQ7V3MaqWU9JoixwB3lqS 1GRZU+c2SWZuy1mrSJQ== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAyMDA3MiBTYWx0ZWRfXxaGs5mtc5HY3 CljbpZhaq3Ue8MIbG0fElMRFLxqxH6MYbT72r60kdR7VijNu+navCyq3/ixk6RqGpYp/WaAG7hK 5h/vKikH5HF8GQkGL2QKrw7s18SRrzQ= X-Authority-Analysis: v=2.4 cv=QK391QLL c=1 sm=1 tr=0 ts=6ae8d5f3 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=8o_KzcTvTWn_gRpOEOsA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: m2NzrC9PNCr4Qwu_lMXANml8ouGMXqpa X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-02_05,2026-11-02_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611020072 Let callers pass in additional flags for ext4_map_blocks(). This is in preparation of the upcoming changes. Signed-off-by: Ojaswin Mujoo --- fs/ext4/ext4.h | 3 ++- fs/ext4/extents.c | 8 ++++---- fs/ext4/file.c | 2 +- fs/ext4/page-io.c | 2 +- 4 files changed, 8 insertions(+), 7 deletions(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8d3af062a830..b72f90b6375b 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3971,7 +3971,8 @@ extern long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len); extern int ext4_convert_unwritten_extents(handle_t *handle, struct inode *inode, loff_t offset, ssize_t len, - ext4_lblk_t *converted); + ext4_lblk_t *converted, + int extra_flags); extern int ext4_convert_unwritten_extents_atomic(handle_t *handle, struct inode *inode, loff_t offset, ssize_t len); extern int ext4_convert_unwritten_io_end_vec(handle_t *handle, diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 7193429a05e1..a229983f91dd 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4704,7 +4704,7 @@ static int ext4_alloc_file_blocks(struct file *file, loff_t offset, loff_t len, ret = ext4_convert_unwritten_extents(handle, inode, (loff_t)map.m_lblk << blkbits, (loff_t)map.m_len << blkbits, - &converted); + &converted, 0); if (ret) map.m_len = converted; @@ -5152,7 +5152,7 @@ int ext4_convert_unwritten_extents_atomic(handle_t *handle, struct inode *inode, */ int ext4_convert_unwritten_extents(handle_t *handle, struct inode *inode, loff_t offset, ssize_t len, - ext4_lblk_t *converted) + ext4_lblk_t *converted, int extra_flags) { ext4_lblk_t max_blocks, conv_blocks = 0; int ret = 0, ret2 = 0, ret3 = 0; @@ -5195,7 +5195,7 @@ int ext4_convert_unwritten_extents(handle_t *handle, struct inode *inode, */ ret = ext4_map_blocks(handle, inode, &map, EXT4_GET_BLOCKS_IO_CONVERT_EXT | - EXT4_EX_NOCACHE); + EXT4_EX_NOCACHE | extra_flags); if (ret <= 0) { ext4_warning(inode->i_sb, "inode #%llu: block %u: len %u: ext4_map_blocks returned %d", @@ -5248,7 +5248,7 @@ int ext4_convert_unwritten_io_end_vec(handle_t *handle, ext4_io_end_t *io_end) list_for_each_entry(io_end_vec, &io_end->list_vec, list) { ret = ext4_convert_unwritten_extents(handle, io_end->inode, io_end_vec->offset, - io_end_vec->size, NULL); + io_end_vec->size, NULL, 0); if (ret) break; } diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 50d3c92709c8..06ef7a9b9f83 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -457,7 +457,7 @@ static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, size); else if (!error && size && flags & IOMAP_DIO_UNWRITTEN) error = ext4_convert_unwritten_extents(NULL, inode, pos, size, - NULL); + NULL, 0); if (error) return error; /* diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 734d856a6d47..4c5c77da2a5e 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -685,7 +685,7 @@ static void ext4_iomap_finish_ioend(struct iomap_ioend *ioend) if (ioend->io_flags & IOMAP_IOEND_UNWRITTEN) ret = ext4_convert_unwritten_extents(handle, inode, pos, - size, NULL); + size, NULL, 0); out_journal: err = ext4_journal_stop(handle); -- 2.55.0