From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Baokun Li <libaokun1@huawei.com>, Jan Kara <jack@suse.cz>,
Theodore Ts'o <tytso@mit.edu>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 6.1.y 1/7] ext4: make ext4_es_remove_extent() return void
Date: Tue, 24 Feb 2026 22:13:37 -0500 [thread overview]
Message-ID: <20260225031343.3858545-1-sashal@kernel.org> (raw)
In-Reply-To: <2026022439-revered-giddily-d324@gregkh>
From: Baokun Li <libaokun1@huawei.com>
[ Upstream commit ed5d285b3f2a9a37ff778c5e440daf49351fcc4d ]
Now ext4_es_remove_extent() never fails, so make it return void.
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230424033846.4732-10-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Stable-dep-of: 1bf6974822d1 ("ext4: don't zero the entire extent if EXT4_EXT_DATA_PARTIAL_VALID1")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/ext4/extents.c | 34 ++++++----------------------------
fs/ext4/extents_status.c | 12 ++++++------
fs/ext4/extents_status.h | 4 ++--
fs/ext4/inline.c | 12 ++----------
fs/ext4/inode.c | 8 ++------
5 files changed, 18 insertions(+), 52 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 1aad4ae0e7ae4..8100e20475f30 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4457,15 +4457,8 @@ int ext4_ext_truncate(handle_t *handle, struct inode *inode)
last_block = (inode->i_size + sb->s_blocksize - 1)
>> EXT4_BLOCK_SIZE_BITS(sb);
-retry:
- err = ext4_es_remove_extent(inode, last_block,
- EXT_MAX_BLOCKS - last_block);
- if (err == -ENOMEM) {
- memalloc_retry_wait(GFP_ATOMIC);
- goto retry;
- }
- if (err)
- return err;
+ ext4_es_remove_extent(inode, last_block, EXT_MAX_BLOCKS - last_block);
+
retry_remove_space:
err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1);
if (err == -ENOMEM) {
@@ -5412,13 +5405,7 @@ static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
down_write(&EXT4_I(inode)->i_data_sem);
ext4_discard_preallocations(inode, 0);
-
- ret = ext4_es_remove_extent(inode, punch_start,
- EXT_MAX_BLOCKS - punch_start);
- if (ret) {
- up_write(&EXT4_I(inode)->i_data_sem);
- goto out_stop;
- }
+ ext4_es_remove_extent(inode, punch_start, EXT_MAX_BLOCKS - punch_start);
ret = ext4_ext_remove_space(inode, punch_start, punch_stop - 1);
if (ret) {
@@ -5604,12 +5591,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
ext4_free_ext_path(path);
}
- ret = ext4_es_remove_extent(inode, offset_lblk,
- EXT_MAX_BLOCKS - offset_lblk);
- if (ret) {
- up_write(&EXT4_I(inode)->i_data_sem);
- goto out_stop;
- }
+ ext4_es_remove_extent(inode, offset_lblk, EXT_MAX_BLOCKS - offset_lblk);
/*
* if offset_lblk lies in a hole which is at start of file, use
@@ -5668,12 +5650,8 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
BUG_ON(!inode_is_locked(inode1));
BUG_ON(!inode_is_locked(inode2));
- *erp = ext4_es_remove_extent(inode1, lblk1, count);
- if (unlikely(*erp))
- return 0;
- *erp = ext4_es_remove_extent(inode2, lblk2, count);
- if (unlikely(*erp))
- return 0;
+ ext4_es_remove_extent(inode1, lblk1, count);
+ ext4_es_remove_extent(inode2, lblk2, count);
while (count) {
struct ext4_extent *ex1, *ex2, tmp_ex;
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 592229027af72..862a8308cd9b0 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -1494,10 +1494,10 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
* @len - number of blocks to remove
*
* Reduces block/cluster reservation count and for bigalloc cancels pending
- * reservations as needed. Returns 0 on success, error code on failure.
+ * reservations as needed.
*/
-int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
- ext4_lblk_t len)
+void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
+ ext4_lblk_t len)
{
ext4_lblk_t end;
int err = 0;
@@ -1505,14 +1505,14 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
struct extent_status *es = NULL;
if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
- return 0;
+ return;
trace_ext4_es_remove_extent(inode, lblk, len);
es_debug("remove [%u/%u) from extent status tree of inode %lu\n",
lblk, len, inode->i_ino);
if (!len)
- return err;
+ return;
end = lblk + len - 1;
BUG_ON(end < lblk);
@@ -1539,7 +1539,7 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
ext4_es_print_tree(inode);
ext4_da_release_space(inode, reserved);
- return 0;
+ return;
}
static int __es_shrink(struct ext4_sb_info *sbi, int nr_to_scan,
diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h
index 481ec4381bee6..1d1247bbfd477 100644
--- a/fs/ext4/extents_status.h
+++ b/fs/ext4/extents_status.h
@@ -133,8 +133,8 @@ extern void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk,
extern void ext4_es_cache_extent(struct inode *inode, ext4_lblk_t lblk,
ext4_lblk_t len, ext4_fsblk_t pblk,
unsigned int status);
-extern int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
- ext4_lblk_t len);
+extern void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
+ ext4_lblk_t len);
extern void ext4_es_find_extent_range(struct inode *inode,
int (*match_fn)(struct extent_status *es),
ext4_lblk_t lblk, ext4_lblk_t end,
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index a1fb99d2b472b..c15ea7589945f 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -2004,16 +2004,8 @@ int ext4_inline_data_truncate(struct inode *inode, int *has_inline)
* the extent status cache must be cleared to avoid leaving
* behind stale delayed allocated extent entries
*/
- if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
-retry:
- err = ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);
- if (err == -ENOMEM) {
- memalloc_retry_wait(GFP_ATOMIC);
- goto retry;
- }
- if (err)
- goto out_error;
- }
+ if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA))
+ ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);
/* Clear the content in the xattr space. */
if (inline_size > EXT4_MIN_INLINE_DATA_SIZE) {
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index bf1f8319e2d74..79619f3db984f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4134,12 +4134,8 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
down_write(&EXT4_I(inode)->i_data_sem);
ext4_discard_preallocations(inode, 0);
- ret = ext4_es_remove_extent(inode, first_block,
- stop_block - first_block);
- if (ret) {
- up_write(&EXT4_I(inode)->i_data_sem);
- goto out_stop;
- }
+ ext4_es_remove_extent(inode, first_block,
+ stop_block - first_block);
if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
ret = ext4_ext_remove_space(inode, first_block,
--
2.51.0
next prev parent reply other threads:[~2026-02-25 3:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 21:43 FAILED: patch "[PATCH] ext4: don't zero the entire extent if" failed to apply to 6.1-stable tree gregkh
2026-02-25 3:13 ` Sasha Levin [this message]
2026-02-25 3:13 ` [PATCH 6.1.y 2/7] ext4: get rid of ppath in ext4_find_extent() Sasha Levin
2026-02-25 3:13 ` [PATCH 6.1.y 3/7] ext4: get rid of ppath in ext4_ext_create_new_leaf() Sasha Levin
2026-02-25 3:13 ` [PATCH 6.1.y 4/7] ext4: get rid of ppath in ext4_ext_insert_extent() Sasha Levin
2026-02-25 3:13 ` [PATCH 6.1.y 5/7] ext4: get rid of ppath in ext4_split_extent_at() Sasha Levin
2026-02-25 3:13 ` [PATCH 6.1.y 6/7] ext4: subdivide EXT4_EXT_DATA_VALID1 Sasha Levin
2026-02-25 3:13 ` [PATCH 6.1.y 7/7] ext4: don't zero the entire extent if EXT4_EXT_DATA_PARTIAL_VALID1 Sasha Levin
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=20260225031343.3858545-1-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=jack@suse.cz \
--cc=libaokun1@huawei.com \
--cc=stable@vger.kernel.org \
--cc=tytso@mit.edu \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox