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vfs: inline new_inode_pseudo() and de-staticize alloc_inode() 

The former is a no-op wrapper with the same argument.

I left it in place to not lose the information who needs it -- one day
"pseudo" inodes may start differing from what alloc_inode() returns.

In the meantime no point taking a detour.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250212180459.1022983-1-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
pull/1113/merge
Mateusz Guzik 2025-02-12 19:04:59 +01:00 committed by Christian Brauner
parent da06e3c517
commit 1479be6258
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GPG Key ID: 91C61BC06578DCA2
2 changed files with 17 additions and 18 deletions
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29
fs/inode.c
View File

@ -327,7 +327,17 @@ static void i_callback(struct rcu_head *head)
free_inode_nonrcu(inode);
}
static struct inode *alloc_inode(struct super_block *sb)
/**
* alloc_inode - obtain an inode
* @sb: superblock
*
* Allocates a new inode for given superblock.
* Inode wont be chained in superblock s_inodes list
* This means :
* - fs can't be unmount
* - quotas, fsnotify, writeback can't work
*/
struct inode *alloc_inode(struct super_block *sb)
{
const struct super_operations *ops = sb->s_op;
struct inode *inode;
@ -1159,21 +1169,6 @@ unsigned int get_next_ino(void)
}
EXPORT_SYMBOL(get_next_ino);
/**
* new_inode_pseudo - obtain an inode
* @sb: superblock
*
* Allocates a new inode for given superblock.
* Inode wont be chained in superblock s_inodes list
* This means :
* - fs can't be unmount
* - quotas, fsnotify, writeback can't work
*/
struct inode *new_inode_pseudo(struct super_block *sb)
{
return alloc_inode(sb);
}
/**
* new_inode - obtain an inode
* @sb: superblock
@ -1190,7 +1185,7 @@ struct inode *new_inode(struct super_block *sb)
{
struct inode *inode;
inode = new_inode_pseudo(sb);
inode = alloc_inode(sb);
if (inode)
inode_sb_list_add(inode);
return inode;

6
include/linux/fs.h
View File

@ -3285,7 +3285,11 @@ static inline void __iget(struct inode *inode)
extern void iget_failed(struct inode *);
extern void clear_inode(struct inode *);
extern void __destroy_inode(struct inode *);
extern struct inode *new_inode_pseudo(struct super_block *sb);
struct inode *alloc_inode(struct super_block *sb);
static inline struct inode *new_inode_pseudo(struct super_block *sb)
{
return alloc_inode(sb);
}
extern struct inode *new_inode(struct super_block *sb);
extern void free_inode_nonrcu(struct inode *inode);
extern int setattr_should_drop_suidgid(struct mnt_idmap *, struct inode *);