[PATCH 0/2] Fix up casefolding sysfs entries for F2FS

[PATCH 0/2] Fix up casefolding sysfs entries for F2FS

[Daniel Rosenberg]

These correct displaying support for casefolding only when that capability
is present, and advertise if encryption and casefolding are supported
together. Casefolding requires CONFIG_UNICODE, and casefolding with
encryption wasn't supported until commit 7ad08a58bf67
("f2fs: Handle casefolding with Encryption")

Daniel Rosenberg (2):
  f2fs: Show casefolding support only when supported
  f2fs: Advertise encrypted casefolding in sysfs

 fs/f2fs/sysfs.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

-- 
2.32.0.rc0.204.g9fa02ecfa5-goog

[f2fs-dev] [PATCH 0/2] Fix up casefolding sysfs entries for F2FS

[Daniel Rosenberg via Linux-f2fs-devel]

These correct displaying support for casefolding only when that capability
is present, and advertise if encryption and casefolding are supported
together. Casefolding requires CONFIG_UNICODE, and casefolding with
encryption wasn't supported until commit 7ad08a58bf67
("f2fs: Handle casefolding with Encryption")

Daniel Rosenberg (2):
  f2fs: Show casefolding support only when supported
  f2fs: Advertise encrypted casefolding in sysfs

 fs/f2fs/sysfs.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

-- 
2.32.0.rc0.204.g9fa02ecfa5-goog



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[PATCH 1/2] f2fs: Show casefolding support only when supported

[Daniel Rosenberg]

The casefolding feature is only supported when CONFIG_UNICODE is set.
This modifies the feature list f2fs presents under sysfs accordingly.

Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock")
Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
 fs/f2fs/sysfs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index dc71bc968c72..09e3f258eb52 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -720,7 +720,9 @@ F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LOST_FOUND);
 F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY);
 #endif
 F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM);
+#ifdef CONFIG_UNICODE
 F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD);
+#endif
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 F2FS_FEATURE_RO_ATTR(compression, FEAT_COMPRESSION);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_written_block, compr_written_block);
@@ -829,7 +831,9 @@ static struct attribute *f2fs_feat_attrs[] = {
 	ATTR_LIST(verity),
 #endif
 	ATTR_LIST(sb_checksum),
+#ifdef CONFIG_UNICODE
 	ATTR_LIST(casefold),
+#endif
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	ATTR_LIST(compression),
 #endif
-- 
2.32.0.rc0.204.g9fa02ecfa5-goog

[f2fs-dev] [PATCH 1/2] f2fs: Show casefolding support only when supported

[Daniel Rosenberg via Linux-f2fs-devel]

The casefolding feature is only supported when CONFIG_UNICODE is set.
This modifies the feature list f2fs presents under sysfs accordingly.

Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock")
Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
 fs/f2fs/sysfs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index dc71bc968c72..09e3f258eb52 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -720,7 +720,9 @@ F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LOST_FOUND);
 F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY);
 #endif
 F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM);
+#ifdef CONFIG_UNICODE
 F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD);
+#endif
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 F2FS_FEATURE_RO_ATTR(compression, FEAT_COMPRESSION);
 F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_written_block, compr_written_block);
@@ -829,7 +831,9 @@ static struct attribute *f2fs_feat_attrs[] = {
 	ATTR_LIST(verity),
 #endif
 	ATTR_LIST(sb_checksum),
+#ifdef CONFIG_UNICODE
 	ATTR_LIST(casefold),
+#endif
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	ATTR_LIST(compression),
 #endif
-- 
2.32.0.rc0.204.g9fa02ecfa5-goog



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[PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Daniel Rosenberg]

Older kernels don't support encryption with casefolding. This adds
the sysfs entry encrypted_casefold to show support for those combined
features. Support for this feature was originally added by
commit 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")

Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
 fs/f2fs/sysfs.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 09e3f258eb52..3c1095a76710 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -161,6 +161,9 @@ static ssize_t features_show(struct f2fs_attr *a,
 	if (f2fs_sb_has_compression(sbi))
 		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "compression");
+	if (f2fs_sb_has_casefold(sbi) && f2fs_sb_has_encrypt(sbi))
+		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
+				len ? ", " : "", "encrypted_casefold");
 	len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "pin_file");
 	len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
@@ -579,6 +582,7 @@ enum feat_id {
 	FEAT_CASEFOLD,
 	FEAT_COMPRESSION,
 	FEAT_TEST_DUMMY_ENCRYPTION_V2,
+	FEAT_ENCRYPTED_CASEFOLD,
 };
 
 static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@@ -600,6 +604,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
 	case FEAT_CASEFOLD:
 	case FEAT_COMPRESSION:
 	case FEAT_TEST_DUMMY_ENCRYPTION_V2:
+	case FEAT_ENCRYPTED_CASEFOLD:
 		return sprintf(buf, "supported\n");
 	}
 	return 0;
@@ -704,6 +709,9 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks);
 #ifdef CONFIG_FS_ENCRYPTION
 F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
 F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
+#ifdef CONFIG_UNICODE
+F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
+#endif
 #endif
 #ifdef CONFIG_BLK_DEV_ZONED
 F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
@@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
 #ifdef CONFIG_FS_ENCRYPTION
 	ATTR_LIST(encryption),
 	ATTR_LIST(test_dummy_encryption_v2),
+#ifdef CONFIG_UNICODE
+	ATTR_LIST(encrypted_casefold),
+#endif
 #endif
 #ifdef CONFIG_BLK_DEV_ZONED
 	ATTR_LIST(block_zoned),
-- 
2.32.0.rc0.204.g9fa02ecfa5-goog

[f2fs-dev] [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Daniel Rosenberg via Linux-f2fs-devel]

Older kernels don't support encryption with casefolding. This adds
the sysfs entry encrypted_casefold to show support for those combined
features. Support for this feature was originally added by
commit 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")

Signed-off-by: Daniel Rosenberg <drosen@google.com>
---
 fs/f2fs/sysfs.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 09e3f258eb52..3c1095a76710 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -161,6 +161,9 @@ static ssize_t features_show(struct f2fs_attr *a,
 	if (f2fs_sb_has_compression(sbi))
 		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "compression");
+	if (f2fs_sb_has_casefold(sbi) && f2fs_sb_has_encrypt(sbi))
+		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
+				len ? ", " : "", "encrypted_casefold");
 	len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
 				len ? ", " : "", "pin_file");
 	len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
@@ -579,6 +582,7 @@ enum feat_id {
 	FEAT_CASEFOLD,
 	FEAT_COMPRESSION,
 	FEAT_TEST_DUMMY_ENCRYPTION_V2,
+	FEAT_ENCRYPTED_CASEFOLD,
 };
 
 static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@@ -600,6 +604,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
 	case FEAT_CASEFOLD:
 	case FEAT_COMPRESSION:
 	case FEAT_TEST_DUMMY_ENCRYPTION_V2:
+	case FEAT_ENCRYPTED_CASEFOLD:
 		return sprintf(buf, "supported\n");
 	}
 	return 0;
@@ -704,6 +709,9 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks);
 #ifdef CONFIG_FS_ENCRYPTION
 F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
 F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
+#ifdef CONFIG_UNICODE
+F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
+#endif
 #endif
 #ifdef CONFIG_BLK_DEV_ZONED
 F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
@@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
 #ifdef CONFIG_FS_ENCRYPTION
 	ATTR_LIST(encryption),
 	ATTR_LIST(test_dummy_encryption_v2),
+#ifdef CONFIG_UNICODE
+	ATTR_LIST(encrypted_casefold),
+#endif
 #endif
 #ifdef CONFIG_BLK_DEV_ZONED
 	ATTR_LIST(block_zoned),
-- 
2.32.0.rc0.204.g9fa02ecfa5-goog



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Re: [PATCH 1/2] f2fs: Show casefolding support only when supported

[Chao Yu]

On 2021/6/2 12:15, Daniel Rosenberg wrote:
> The casefolding feature is only supported when CONFIG_UNICODE is set.
> This modifies the feature list f2fs presents under sysfs accordingly.
> 
> Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock")
> Signed-off-by: Daniel Rosenberg <drosen@google.com>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks,

Re: [f2fs-dev] [PATCH 1/2] f2fs: Show casefolding support only when supported

[Chao Yu]

On 2021/6/2 12:15, Daniel Rosenberg wrote:
> The casefolding feature is only supported when CONFIG_UNICODE is set.
> This modifies the feature list f2fs presents under sysfs accordingly.
> 
> Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock")
> Signed-off-by: Daniel Rosenberg <drosen@google.com>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks,


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Re: [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Chao Yu]

On 2021/6/2 12:15, Daniel Rosenberg wrote:
> Older kernels don't support encryption with casefolding. This adds
> the sysfs entry encrypted_casefold to show support for those combined
> features. Support for this feature was originally added by
> commit 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")

Shouldn't this be backported to the kernel where we support casefolding
with encryption? So adding a fixes tag here?

Thanks,

> 
> Signed-off-by: Daniel Rosenberg <drosen@google.com>
> ---
>   fs/f2fs/sysfs.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
> 
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 09e3f258eb52..3c1095a76710 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -161,6 +161,9 @@ static ssize_t features_show(struct f2fs_attr *a,
>   	if (f2fs_sb_has_compression(sbi))
>   		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
>   				len ? ", " : "", "compression");
> +	if (f2fs_sb_has_casefold(sbi) && f2fs_sb_has_encrypt(sbi))
> +		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
> +				len ? ", " : "", "encrypted_casefold");
>   	len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
>   				len ? ", " : "", "pin_file");
>   	len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
> @@ -579,6 +582,7 @@ enum feat_id {
>   	FEAT_CASEFOLD,
>   	FEAT_COMPRESSION,
>   	FEAT_TEST_DUMMY_ENCRYPTION_V2,
> +	FEAT_ENCRYPTED_CASEFOLD,
>   };
>   
>   static ssize_t f2fs_feature_show(struct f2fs_attr *a,
> @@ -600,6 +604,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>   	case FEAT_CASEFOLD:
>   	case FEAT_COMPRESSION:
>   	case FEAT_TEST_DUMMY_ENCRYPTION_V2:
> +	case FEAT_ENCRYPTED_CASEFOLD:
>   		return sprintf(buf, "supported\n");
>   	}
>   	return 0;
> @@ -704,6 +709,9 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks);
>   #ifdef CONFIG_FS_ENCRYPTION
>   F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
>   F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
> +#ifdef CONFIG_UNICODE
> +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> +#endif
>   #endif
>   #ifdef CONFIG_BLK_DEV_ZONED
>   F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
>   #ifdef CONFIG_FS_ENCRYPTION
>   	ATTR_LIST(encryption),
>   	ATTR_LIST(test_dummy_encryption_v2),
> +#ifdef CONFIG_UNICODE
> +	ATTR_LIST(encrypted_casefold),
> +#endif
>   #endif
>   #ifdef CONFIG_BLK_DEV_ZONED
>   	ATTR_LIST(block_zoned),
> 

Re: [f2fs-dev] [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Chao Yu]

On 2021/6/2 12:15, Daniel Rosenberg wrote:
> Older kernels don't support encryption with casefolding. This adds
> the sysfs entry encrypted_casefold to show support for those combined
> features. Support for this feature was originally added by
> commit 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")

Shouldn't this be backported to the kernel where we support casefolding
with encryption? So adding a fixes tag here?

Thanks,

> 
> Signed-off-by: Daniel Rosenberg <drosen@google.com>
> ---
>   fs/f2fs/sysfs.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
> 
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 09e3f258eb52..3c1095a76710 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -161,6 +161,9 @@ static ssize_t features_show(struct f2fs_attr *a,
>   	if (f2fs_sb_has_compression(sbi))
>   		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
>   				len ? ", " : "", "compression");
> +	if (f2fs_sb_has_casefold(sbi) && f2fs_sb_has_encrypt(sbi))
> +		len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
> +				len ? ", " : "", "encrypted_casefold");
>   	len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
>   				len ? ", " : "", "pin_file");
>   	len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
> @@ -579,6 +582,7 @@ enum feat_id {
>   	FEAT_CASEFOLD,
>   	FEAT_COMPRESSION,
>   	FEAT_TEST_DUMMY_ENCRYPTION_V2,
> +	FEAT_ENCRYPTED_CASEFOLD,
>   };
>   
>   static ssize_t f2fs_feature_show(struct f2fs_attr *a,
> @@ -600,6 +604,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
>   	case FEAT_CASEFOLD:
>   	case FEAT_COMPRESSION:
>   	case FEAT_TEST_DUMMY_ENCRYPTION_V2:
> +	case FEAT_ENCRYPTED_CASEFOLD:
>   		return sprintf(buf, "supported\n");
>   	}
>   	return 0;
> @@ -704,6 +709,9 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks);
>   #ifdef CONFIG_FS_ENCRYPTION
>   F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
>   F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
> +#ifdef CONFIG_UNICODE
> +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> +#endif
>   #endif
>   #ifdef CONFIG_BLK_DEV_ZONED
>   F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
>   #ifdef CONFIG_FS_ENCRYPTION
>   	ATTR_LIST(encryption),
>   	ATTR_LIST(test_dummy_encryption_v2),
> +#ifdef CONFIG_UNICODE
> +	ATTR_LIST(encrypted_casefold),
> +#endif
>   #endif
>   #ifdef CONFIG_BLK_DEV_ZONED
>   	ATTR_LIST(block_zoned),
> 


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Re: [PATCH 1/2] f2fs: Show casefolding support only when supported

[Eric Biggers]

On Wed, Jun 02, 2021 at 04:15:38AM +0000, Daniel Rosenberg wrote:
> The casefolding feature is only supported when CONFIG_UNICODE is set.
> This modifies the feature list f2fs presents under sysfs accordingly.
> 
> Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock")
> Signed-off-by: Daniel Rosenberg <drosen@google.com>

Can you add a Cc stable tag?

- Eric

Re: [f2fs-dev] [PATCH 1/2] f2fs: Show casefolding support only when supported

[Eric Biggers]

On Wed, Jun 02, 2021 at 04:15:38AM +0000, Daniel Rosenberg wrote:
> The casefolding feature is only supported when CONFIG_UNICODE is set.
> This modifies the feature list f2fs presents under sysfs accordingly.
> 
> Fixes: 5aba54302a46 ("f2fs: include charset encoding information in the superblock")
> Signed-off-by: Daniel Rosenberg <drosen@google.com>

Can you add a Cc stable tag?

- Eric


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Re: [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Eric Biggers]

On Wed, Jun 02, 2021 at 04:15:39AM +0000, Daniel Rosenberg wrote:
> +#ifdef CONFIG_UNICODE
> +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> +#endif

Shouldn't it be defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)?

>  #endif
>  #ifdef CONFIG_BLK_DEV_ZONED
>  F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
>  #ifdef CONFIG_FS_ENCRYPTION
>  	ATTR_LIST(encryption),
>  	ATTR_LIST(test_dummy_encryption_v2),
> +#ifdef CONFIG_UNICODE
> +	ATTR_LIST(encrypted_casefold),
> +#endif

Likewise here.

- Eric

Re: [f2fs-dev] [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Eric Biggers]

On Wed, Jun 02, 2021 at 04:15:39AM +0000, Daniel Rosenberg wrote:
> +#ifdef CONFIG_UNICODE
> +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> +#endif

Shouldn't it be defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)?

>  #endif
>  #ifdef CONFIG_BLK_DEV_ZONED
>  F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
>  #ifdef CONFIG_FS_ENCRYPTION
>  	ATTR_LIST(encryption),
>  	ATTR_LIST(test_dummy_encryption_v2),
> +#ifdef CONFIG_UNICODE
> +	ATTR_LIST(encrypted_casefold),
> +#endif

Likewise here.

- Eric


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Re: [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Daniel Rosenberg]

On Wed, Jun 2, 2021 at 12:54 PM Eric Biggers <ebiggers@kernel.org> wrote:
>
> On Wed, Jun 02, 2021 at 04:15:39AM +0000, Daniel Rosenberg wrote:
> > +#ifdef CONFIG_UNICODE
> > +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> > +#endif
>
> Shouldn't it be defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)?
>
> >  #endif
> >  #ifdef CONFIG_BLK_DEV_ZONED
> >  F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> > @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
> >  #ifdef CONFIG_FS_ENCRYPTION
> >       ATTR_LIST(encryption),
> >       ATTR_LIST(test_dummy_encryption_v2),
> > +#ifdef CONFIG_UNICODE
> > +     ATTR_LIST(encrypted_casefold),
> > +#endif
>
> Likewise here.
>
> - Eric

Those are already within an #ifdef CONFIG_FS_ENCRYPTION, so it should
be covered already.
Should I send a v2 set with the

Fixes: 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")
Cc: stable@vger.kernel.org # v5.11+

appended?

-Daniel

Re: [f2fs-dev] [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Daniel Rosenberg via Linux-f2fs-devel]

On Wed, Jun 2, 2021 at 12:54 PM Eric Biggers <ebiggers@kernel.org> wrote:
>
> On Wed, Jun 02, 2021 at 04:15:39AM +0000, Daniel Rosenberg wrote:
> > +#ifdef CONFIG_UNICODE
> > +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> > +#endif
>
> Shouldn't it be defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)?
>
> >  #endif
> >  #ifdef CONFIG_BLK_DEV_ZONED
> >  F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> > @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
> >  #ifdef CONFIG_FS_ENCRYPTION
> >       ATTR_LIST(encryption),
> >       ATTR_LIST(test_dummy_encryption_v2),
> > +#ifdef CONFIG_UNICODE
> > +     ATTR_LIST(encrypted_casefold),
> > +#endif
>
> Likewise here.
>
> - Eric

Those are already within an #ifdef CONFIG_FS_ENCRYPTION, so it should
be covered already.
Should I send a v2 set with the

Fixes: 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")
Cc: stable@vger.kernel.org # v5.11+

appended?

-Daniel


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Re: [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Eric Biggers]

On Wed, Jun 02, 2021 at 04:22:38PM -0700, Daniel Rosenberg wrote:
> On Wed, Jun 2, 2021 at 12:54 PM Eric Biggers <ebiggers@kernel.org> wrote:
> >
> > On Wed, Jun 02, 2021 at 04:15:39AM +0000, Daniel Rosenberg wrote:
> > > +#ifdef CONFIG_UNICODE
> > > +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> > > +#endif
> >
> > Shouldn't it be defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)?
> >
> > >  #endif
> > >  #ifdef CONFIG_BLK_DEV_ZONED
> > >  F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> > > @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
> > >  #ifdef CONFIG_FS_ENCRYPTION
> > >       ATTR_LIST(encryption),
> > >       ATTR_LIST(test_dummy_encryption_v2),
> > > +#ifdef CONFIG_UNICODE
> > > +     ATTR_LIST(encrypted_casefold),
> > > +#endif
> >
> > Likewise here.
> >
> > - Eric
> 
> Those are already within an #ifdef CONFIG_FS_ENCRYPTION, so it should
> be covered already.

Adding a comment to the #endif for CONFIG_FS_ENCRYPTION would make it easier to
read:

	#endif /* CONFIG_FS_ENCRYPTION */

> Should I send a v2 set with the
> 
> Fixes: 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")
> Cc: stable@vger.kernel.org # v5.11+
> 
> appended?

Yes, please add those tags.

- Eric

Re: [f2fs-dev] [PATCH 2/2] f2fs: Advertise encrypted casefolding in sysfs

[Eric Biggers]

On Wed, Jun 02, 2021 at 04:22:38PM -0700, Daniel Rosenberg wrote:
> On Wed, Jun 2, 2021 at 12:54 PM Eric Biggers <ebiggers@kernel.org> wrote:
> >
> > On Wed, Jun 02, 2021 at 04:15:39AM +0000, Daniel Rosenberg wrote:
> > > +#ifdef CONFIG_UNICODE
> > > +F2FS_FEATURE_RO_ATTR(encrypted_casefold, FEAT_ENCRYPTED_CASEFOLD);
> > > +#endif
> >
> > Shouldn't it be defined(CONFIG_UNICODE) && defined(CONFIG_FS_ENCRYPTION)?
> >
> > >  #endif
> > >  #ifdef CONFIG_BLK_DEV_ZONED
> > >  F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
> > > @@ -815,6 +823,9 @@ static struct attribute *f2fs_feat_attrs[] = {
> > >  #ifdef CONFIG_FS_ENCRYPTION
> > >       ATTR_LIST(encryption),
> > >       ATTR_LIST(test_dummy_encryption_v2),
> > > +#ifdef CONFIG_UNICODE
> > > +     ATTR_LIST(encrypted_casefold),
> > > +#endif
> >
> > Likewise here.
> >
> > - Eric
> 
> Those are already within an #ifdef CONFIG_FS_ENCRYPTION, so it should
> be covered already.

Adding a comment to the #endif for CONFIG_FS_ENCRYPTION would make it easier to
read:

	#endif /* CONFIG_FS_ENCRYPTION */

> Should I send a v2 set with the
> 
> Fixes: 7ad08a58bf67 ("f2fs: Handle casefolding with Encryption")
> Cc: stable@vger.kernel.org # v5.11+
> 
> appended?

Yes, please add those tags.

- Eric


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