* Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O
[not found] <20260626202118.2464544-1-jbingham@gmail.com>
@ 2026-06-26 20:21 ` syzbot
2026-06-26 20:50 ` syzbot ci
2026-06-26 20:21 ` Forwarded: " syzbot
2026-06-26 20:21 ` Forwarded: " syzbot
2 siblings, 1 reply; 6+ messages in thread
From: syzbot @ 2026-06-26 20:21 UTC (permalink / raw)
To: syzbot; +Cc: syzbot, jbingham
For archival purposes, forwarding an incoming command email to
syzbot@lists.linux.dev.
***
Subject: [syzbot ci] Re: minix: convert to iomap and add direct I/O
Author: jbingham@gmail.com
Apparently I did this wrong the first time. I misunderstood and sent one
patch covering all the changes differing from master, rather than just
patching the changes to fix the errors syzbot found.
#syz test
---
fs/minix/file.c | 4 ++--
fs/minix/inode.c | 11 ++++++-----
fs/minix/itree_common.c | 11 ++++++++++-
fs/minix/minix.h | 3 +++
4 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 1f4217115401..b07c853fa43a 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -175,8 +175,8 @@ const struct file_operations minix_file_operations = {
.splice_write = iter_file_splice_write,
};
-static int minix_setattr(struct mnt_idmap *idmap,
- struct dentry *dentry, struct iattr *attr)
+int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index cd12e59ce9b9..8a79ff82a656 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -444,10 +444,10 @@ static ssize_t minix_writeback_range(struct iomap_writepage_ctx *wpc,
if (pos < wpc->iomap.offset ||
pos >= wpc->iomap.offset + wpc->iomap.length) {
if (INODE_VERSION(wpc->inode) == MINIX_V1)
- error = V1_minix_iomap_begin(wpc->inode, pos, len, 0,
+ error = V1_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE,
&wpc->iomap, NULL);
else
- error = V2_minix_iomap_begin(wpc->inode, pos, len, 0,
+ error = V2_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE,
&wpc->iomap, NULL);
if (error)
return error;
@@ -490,7 +490,7 @@ static int minix_writepages(struct address_space *mapping,
static int minix_read_folio(struct file *file, struct folio *folio)
{
- const struct iomap_ops *ops = minix_iomap_ops_ver(file->f_inode);
+ const struct iomap_ops *ops = minix_iomap_ops_ver(folio->mapping->host);
iomap_bio_read_folio(folio, ops);
return 0;
@@ -504,7 +504,7 @@ static int minix_block_read_folio(struct file *file, struct folio *folio)
static void minix_readahead(struct readahead_control *rac)
{
- const struct iomap_ops *ops = minix_iomap_ops_ver(rac->file->f_inode);
+ const struct iomap_ops *ops = minix_iomap_ops_ver(rac->mapping->host);
iomap_bio_readahead(rac, ops);
}
@@ -545,7 +545,7 @@ static sector_t minix_bmap(struct address_space *mapping, sector_t block)
return iomap_bmap(mapping, block, ops);
}
-static const struct address_space_operations minix_aops = {
+const struct address_space_operations minix_aops = {
.dirty_folio = iomap_dirty_folio,
.invalidate_folio = iomap_invalidate_folio,
.read_folio = minix_read_folio,
@@ -575,6 +575,7 @@ static const struct address_space_operations minix_dir_aops = {
static const struct inode_operations minix_symlink_inode_operations = {
.get_link = page_get_link,
.getattr = minix_getattr,
+ .setattr = minix_setattr,
};
void minix_set_inode(struct inode *inode, dev_t rdev)
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index c3cd2c75af9c..5a8b73a7beda 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -311,7 +311,16 @@ static inline void truncate (struct inode * inode)
long iblock;
iblock = (inode->i_size + sb->s_blocksize -1) >> sb->s_blocksize_bits;
- block_truncate_page(inode->i_mapping, inode->i_size, get_block);
+
+ /* Depending on what address space operations are being used by the
+ * inode being truncated, we need to either call iomap_truncate_page or
+ * block_truncate_page.
+ */
+ if (inode->i_mapping->a_ops == &minix_aops)
+ iomap_truncate_page(inode, inode->i_size, NULL,
+ minix_iomap_ops_ver(inode), NULL, NULL);
+ else
+ block_truncate_page(inode->i_mapping, inode->i_size, get_block);
n = block_to_path(inode, iblock, offsets);
if (!n)
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index face74100346..270e4e0620a1 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -58,6 +58,8 @@ void minix_free_block(struct inode *inode, unsigned long block);
unsigned long minix_count_free_blocks(struct super_block *sb);
int minix_getattr(struct mnt_idmap *, const struct path *,
struct kstat *, u32, unsigned);
+int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *attr);
int minix_prepare_chunk(struct folio *folio, loff_t pos, unsigned len);
struct mapping_metadata_bhs *minix_get_metadata_bhs(struct inode *inode);
int minix_fsync(struct file *file, loff_t start, loff_t end, int datasync);
@@ -88,6 +90,7 @@ extern int V2_minix_iomap_begin(struct inode *inode, loff_t offset,
loff_t length, unsigned int flags, struct iomap *iomap,
struct iomap *srcmap);
+extern const struct address_space_operations minix_aops;
extern const struct inode_operations minix_file_inode_operations;
extern const struct inode_operations minix_dir_inode_operations;
extern const struct file_operations minix_file_operations;
--
2.47.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O
[not found] <20260626202118.2464544-1-jbingham@gmail.com>
2026-06-26 20:21 ` Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O syzbot
@ 2026-06-26 20:21 ` syzbot
2026-06-26 20:54 ` syzbot ci
2026-06-26 20:21 ` Forwarded: " syzbot
2 siblings, 1 reply; 6+ messages in thread
From: syzbot @ 2026-06-26 20:21 UTC (permalink / raw)
To: syzbot; +Cc: syzbot, jbingham
For archival purposes, forwarding an incoming command email to
syzbot@lists.linux.dev.
***
Subject: [syzbot ci] Re: minix: convert to iomap and add direct I/O
Author: jbingham@gmail.com
Apparently I did this wrong the first time. I misunderstood and sent one
patch covering all the changes differing from master, rather than just
patching the changes to fix the errors syzbot found.
#syz test
---
fs/minix/file.c | 4 ++--
fs/minix/inode.c | 11 ++++++-----
fs/minix/itree_common.c | 11 ++++++++++-
fs/minix/minix.h | 3 +++
4 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 1f4217115401..b07c853fa43a 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -175,8 +175,8 @@ const struct file_operations minix_file_operations = {
.splice_write = iter_file_splice_write,
};
-static int minix_setattr(struct mnt_idmap *idmap,
- struct dentry *dentry, struct iattr *attr)
+int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index cd12e59ce9b9..8a79ff82a656 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -444,10 +444,10 @@ static ssize_t minix_writeback_range(struct iomap_writepage_ctx *wpc,
if (pos < wpc->iomap.offset ||
pos >= wpc->iomap.offset + wpc->iomap.length) {
if (INODE_VERSION(wpc->inode) == MINIX_V1)
- error = V1_minix_iomap_begin(wpc->inode, pos, len, 0,
+ error = V1_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE,
&wpc->iomap, NULL);
else
- error = V2_minix_iomap_begin(wpc->inode, pos, len, 0,
+ error = V2_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE,
&wpc->iomap, NULL);
if (error)
return error;
@@ -490,7 +490,7 @@ static int minix_writepages(struct address_space *mapping,
static int minix_read_folio(struct file *file, struct folio *folio)
{
- const struct iomap_ops *ops = minix_iomap_ops_ver(file->f_inode);
+ const struct iomap_ops *ops = minix_iomap_ops_ver(folio->mapping->host);
iomap_bio_read_folio(folio, ops);
return 0;
@@ -504,7 +504,7 @@ static int minix_block_read_folio(struct file *file, struct folio *folio)
static void minix_readahead(struct readahead_control *rac)
{
- const struct iomap_ops *ops = minix_iomap_ops_ver(rac->file->f_inode);
+ const struct iomap_ops *ops = minix_iomap_ops_ver(rac->mapping->host);
iomap_bio_readahead(rac, ops);
}
@@ -545,7 +545,7 @@ static sector_t minix_bmap(struct address_space *mapping, sector_t block)
return iomap_bmap(mapping, block, ops);
}
-static const struct address_space_operations minix_aops = {
+const struct address_space_operations minix_aops = {
.dirty_folio = iomap_dirty_folio,
.invalidate_folio = iomap_invalidate_folio,
.read_folio = minix_read_folio,
@@ -575,6 +575,7 @@ static const struct address_space_operations minix_dir_aops = {
static const struct inode_operations minix_symlink_inode_operations = {
.get_link = page_get_link,
.getattr = minix_getattr,
+ .setattr = minix_setattr,
};
void minix_set_inode(struct inode *inode, dev_t rdev)
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index c3cd2c75af9c..5a8b73a7beda 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -311,7 +311,16 @@ static inline void truncate (struct inode * inode)
long iblock;
iblock = (inode->i_size + sb->s_blocksize -1) >> sb->s_blocksize_bits;
- block_truncate_page(inode->i_mapping, inode->i_size, get_block);
+
+ /* Depending on what address space operations are being used by the
+ * inode being truncated, we need to either call iomap_truncate_page or
+ * block_truncate_page.
+ */
+ if (inode->i_mapping->a_ops == &minix_aops)
+ iomap_truncate_page(inode, inode->i_size, NULL,
+ minix_iomap_ops_ver(inode), NULL, NULL);
+ else
+ block_truncate_page(inode->i_mapping, inode->i_size, get_block);
n = block_to_path(inode, iblock, offsets);
if (!n)
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index face74100346..270e4e0620a1 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -58,6 +58,8 @@ void minix_free_block(struct inode *inode, unsigned long block);
unsigned long minix_count_free_blocks(struct super_block *sb);
int minix_getattr(struct mnt_idmap *, const struct path *,
struct kstat *, u32, unsigned);
+int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *attr);
int minix_prepare_chunk(struct folio *folio, loff_t pos, unsigned len);
struct mapping_metadata_bhs *minix_get_metadata_bhs(struct inode *inode);
int minix_fsync(struct file *file, loff_t start, loff_t end, int datasync);
@@ -88,6 +90,7 @@ extern int V2_minix_iomap_begin(struct inode *inode, loff_t offset,
loff_t length, unsigned int flags, struct iomap *iomap,
struct iomap *srcmap);
+extern const struct address_space_operations minix_aops;
extern const struct inode_operations minix_file_inode_operations;
extern const struct inode_operations minix_dir_inode_operations;
extern const struct file_operations minix_file_operations;
--
2.47.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O
[not found] <20260626202118.2464544-1-jbingham@gmail.com>
2026-06-26 20:21 ` Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O syzbot
2026-06-26 20:21 ` Forwarded: " syzbot
@ 2026-06-26 20:21 ` syzbot
2026-06-26 21:00 ` syzbot ci
2 siblings, 1 reply; 6+ messages in thread
From: syzbot @ 2026-06-26 20:21 UTC (permalink / raw)
To: syzbot; +Cc: syzbot, jbingham
For archival purposes, forwarding an incoming command email to
syzbot@lists.linux.dev.
***
Subject: [syzbot ci] Re: minix: convert to iomap and add direct I/O
Author: jbingham@gmail.com
Apparently I did this wrong the first time. I misunderstood and sent one
patch covering all the changes differing from master, rather than just
patching the changes to fix the errors syzbot found.
#syz test
---
fs/minix/file.c | 4 ++--
fs/minix/inode.c | 11 ++++++-----
fs/minix/itree_common.c | 11 ++++++++++-
fs/minix/minix.h | 3 +++
4 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 1f4217115401..b07c853fa43a 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -175,8 +175,8 @@ const struct file_operations minix_file_operations = {
.splice_write = iter_file_splice_write,
};
-static int minix_setattr(struct mnt_idmap *idmap,
- struct dentry *dentry, struct iattr *attr)
+int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int error;
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index cd12e59ce9b9..8a79ff82a656 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -444,10 +444,10 @@ static ssize_t minix_writeback_range(struct iomap_writepage_ctx *wpc,
if (pos < wpc->iomap.offset ||
pos >= wpc->iomap.offset + wpc->iomap.length) {
if (INODE_VERSION(wpc->inode) == MINIX_V1)
- error = V1_minix_iomap_begin(wpc->inode, pos, len, 0,
+ error = V1_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE,
&wpc->iomap, NULL);
else
- error = V2_minix_iomap_begin(wpc->inode, pos, len, 0,
+ error = V2_minix_iomap_begin(wpc->inode, pos, len, IOMAP_WRITE,
&wpc->iomap, NULL);
if (error)
return error;
@@ -490,7 +490,7 @@ static int minix_writepages(struct address_space *mapping,
static int minix_read_folio(struct file *file, struct folio *folio)
{
- const struct iomap_ops *ops = minix_iomap_ops_ver(file->f_inode);
+ const struct iomap_ops *ops = minix_iomap_ops_ver(folio->mapping->host);
iomap_bio_read_folio(folio, ops);
return 0;
@@ -504,7 +504,7 @@ static int minix_block_read_folio(struct file *file, struct folio *folio)
static void minix_readahead(struct readahead_control *rac)
{
- const struct iomap_ops *ops = minix_iomap_ops_ver(rac->file->f_inode);
+ const struct iomap_ops *ops = minix_iomap_ops_ver(rac->mapping->host);
iomap_bio_readahead(rac, ops);
}
@@ -545,7 +545,7 @@ static sector_t minix_bmap(struct address_space *mapping, sector_t block)
return iomap_bmap(mapping, block, ops);
}
-static const struct address_space_operations minix_aops = {
+const struct address_space_operations minix_aops = {
.dirty_folio = iomap_dirty_folio,
.invalidate_folio = iomap_invalidate_folio,
.read_folio = minix_read_folio,
@@ -575,6 +575,7 @@ static const struct address_space_operations minix_dir_aops = {
static const struct inode_operations minix_symlink_inode_operations = {
.get_link = page_get_link,
.getattr = minix_getattr,
+ .setattr = minix_setattr,
};
void minix_set_inode(struct inode *inode, dev_t rdev)
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index c3cd2c75af9c..5a8b73a7beda 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -311,7 +311,16 @@ static inline void truncate (struct inode * inode)
long iblock;
iblock = (inode->i_size + sb->s_blocksize -1) >> sb->s_blocksize_bits;
- block_truncate_page(inode->i_mapping, inode->i_size, get_block);
+
+ /* Depending on what address space operations are being used by the
+ * inode being truncated, we need to either call iomap_truncate_page or
+ * block_truncate_page.
+ */
+ if (inode->i_mapping->a_ops == &minix_aops)
+ iomap_truncate_page(inode, inode->i_size, NULL,
+ minix_iomap_ops_ver(inode), NULL, NULL);
+ else
+ block_truncate_page(inode->i_mapping, inode->i_size, get_block);
n = block_to_path(inode, iblock, offsets);
if (!n)
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index face74100346..270e4e0620a1 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -58,6 +58,8 @@ void minix_free_block(struct inode *inode, unsigned long block);
unsigned long minix_count_free_blocks(struct super_block *sb);
int minix_getattr(struct mnt_idmap *, const struct path *,
struct kstat *, u32, unsigned);
+int minix_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *attr);
int minix_prepare_chunk(struct folio *folio, loff_t pos, unsigned len);
struct mapping_metadata_bhs *minix_get_metadata_bhs(struct inode *inode);
int minix_fsync(struct file *file, loff_t start, loff_t end, int datasync);
@@ -88,6 +90,7 @@ extern int V2_minix_iomap_begin(struct inode *inode, loff_t offset,
loff_t length, unsigned int flags, struct iomap *iomap,
struct iomap *srcmap);
+extern const struct address_space_operations minix_aops;
extern const struct inode_operations minix_file_inode_operations;
extern const struct inode_operations minix_dir_inode_operations;
extern const struct file_operations minix_file_operations;
--
2.47.3
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [syzbot ci] Re: minix: convert to iomap and add direct I/O
2026-06-26 20:21 ` Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O syzbot
@ 2026-06-26 20:50 ` syzbot ci
0 siblings, 0 replies; 6+ messages in thread
From: syzbot ci @ 2026-06-26 20:50 UTC (permalink / raw)
To: syzbot, jbingham, syzbot; +Cc: syzbot, syzkaller-bugs
syzbot ci has tested the suggested fix patch on top of the following series:
[v1] minix: convert to iomap and add direct I/O
https://lore.kernel.org/all/cover.1782422707.git.jbingham@gmail.com
Patch: https://ci.syzbot.org/jobs/fed6e8a8-1710-46a7-adfb-7eabdb09b18c/patch
The patch testing request could not be completed:
job has no testing tasks available
Full report is available here:
https://ci.syzbot.org/session/c784412e-7e79-4d5f-958c-0e527d73a430
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [syzbot ci] Re: minix: convert to iomap and add direct I/O
2026-06-26 20:21 ` Forwarded: " syzbot
@ 2026-06-26 20:54 ` syzbot ci
0 siblings, 0 replies; 6+ messages in thread
From: syzbot ci @ 2026-06-26 20:54 UTC (permalink / raw)
To: syzbot, jbingham, syzbot; +Cc: syzbot, syzkaller-bugs
syzbot ci has tested the suggested fix patch on top of the following series:
[v1] minix: convert to iomap and add direct I/O
https://lore.kernel.org/all/cover.1782422707.git.jbingham@gmail.com
Patch: https://ci.syzbot.org/jobs/4702bdad-fc24-4159-9432-a7726805c6b1/patch
The patch testing request could not be completed:
job has no testing tasks available
Full report is available here:
https://ci.syzbot.org/session/cf0a5152-b626-4f65-800e-e292822c94d2
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [syzbot ci] Re: minix: convert to iomap and add direct I/O
2026-06-26 20:21 ` Forwarded: " syzbot
@ 2026-06-26 21:00 ` syzbot ci
0 siblings, 0 replies; 6+ messages in thread
From: syzbot ci @ 2026-06-26 21:00 UTC (permalink / raw)
To: syzbot, jbingham, syzbot; +Cc: syzbot, syzkaller-bugs
syzbot ci has tested the suggested fix patch on top of the following series:
[v1] minix: convert to iomap and add direct I/O
https://lore.kernel.org/all/cover.1782422707.git.jbingham@gmail.com
Patch: https://ci.syzbot.org/jobs/5d331341-e1eb-4c99-9d8a-2b0ec62b64a8/patch
The patch testing request could not be completed:
job has no testing tasks available
Full report is available here:
https://ci.syzbot.org/session/ae259067-e412-4404-a607-9b4bd5725284
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2026-06-26 20:21 ` Forwarded: [syzbot ci] Re: minix: convert to iomap and add direct I/O syzbot
2026-06-26 20:50 ` syzbot ci
2026-06-26 20:21 ` Forwarded: " syzbot
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