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libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()

PATCH Superseded Eric Biggers 2 participants 2 messages Dec 4, 2020 – Dec 7, 2020 VFS

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Eric Biggers

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PATCH 1/1 libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()

From: Eric Biggers <[email protected]>

Now that generic_set_encrypted_ci_d_ops() has been added and ext4 and f2fs are using it, it's no longer necessary to export generic_ci_d_compare() and generic_ci_d_hash() to filesystems.

Signed-off-by Eric Biggers <[email protected]>

---

This patch applies to f2fs/dev, as it depends on "libfs: Add generic function for setting dentry_ops" and "fscrypt: Have filesystems handle their d_ops" which are queued in f2fs/dev.

 fs/libfs.c         | 8 +++-----
 include/linux/fs.h | 5 -----
 2 files changed, 3 insertions(+), 10 deletions(-)
fs/libfs.c +3 -5
index bac9186990220..a33bc3451d096 100644
@@ -1386,8 +1386,8 @@ static bool needs_casefold(const struct inode *dir)
  *
  * Return: 0 if names match, 1 if mismatch, or -ERRNO
  */
-int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
-			  const char *str, const struct qstr *name)
+static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
+				const char *str, const struct qstr *name)
 {
 	const struct dentry *parent = READ_ONCE(dentry->d_parent);
 	const struct inode *dir = READ_ONCE(parent->d_inode);

@@ -1424,7 +1424,6 @@ int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
 		return 1;
 	return !!memcmp(str, name->name, len);
 }
-EXPORT_SYMBOL(generic_ci_d_compare);
 
 /**
  * generic_ci_d_hash - generic d_hash implementation for casefolding filesystems

@@ -1433,7 +1432,7 @@ EXPORT_SYMBOL(generic_ci_d_compare);
  *
  * Return: 0 if hash was successful or unchanged, and -EINVAL on error
  */
-int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
+static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
 {
 	const struct inode *dir = READ_ONCE(dentry->d_inode);
 	struct super_block *sb = dentry->d_sb;

@@ -1448,7 +1447,6 @@ int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
 		return -EINVAL;
 	return 0;
 }
-EXPORT_SYMBOL(generic_ci_d_hash);
 
 static const struct dentry_operations generic_ci_dentry_ops = {
 	.d_hash = generic_ci_d_hash,
include/linux/fs.h +0 -5
index 4a25ab4dbd3e9..f000cccaa6ac7 100644
@@ -3181,11 +3181,6 @@ extern int generic_file_fsync(struct file *, loff_t, loff_t, int);
 
 extern int generic_check_addressable(unsigned, u64);
 
-#ifdef CONFIG_UNICODE
-extern int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str);
-extern int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
-				const char *str, const struct qstr *name);
-#endif
 extern void generic_set_encrypted_ci_d_ops(struct dentry *dentry);
 
 #ifdef CONFIG_MIGRATION

base-commit: a7f72973ac2342644fce026e01943ed0f41fcc4a

Signature · 8 lines
2.29.2



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Reviewed-by on v1 1/1
#1 lore raw
Quoted 7 lines · Eric Biggers

From: Eric Biggers <[email protected]>

Now that generic_set_encrypted_ci_d_ops() has been added and ext4 and f2fs are using it, it's no longer necessary to export generic_ci_d_compare() and generic_ci_d_hash() to filesystems.

Signed-off-by Eric Biggers <[email protected]>
Reviewed-by Gabriel Krisman Bertazi <[email protected]>
Signature · 7 lines
Gabriel Krisman Bertazi


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