github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 07:03:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

fs: load the ->i_sb pointer once in inode_sb_list_{add,del}

Browse Source 
While this may sound like a pedantic clean up, it does in fact impact
code generation -- the patched add routine is slightly smaller.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250319004635.1820589-1-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Mateusz Guzik 2025-03-19 01:46:35 +01:00 committed by Christian Brauner
parent eb7e453a83
commit 5a607aa943
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
fs/inode.c
View File

@ -623,18 +623,22 @@ static void inode_wait_for_lru_isolating(struct inode *inode)
*/
void inode_sb_list_add(struct inode *inode)
{
spin_lock(&inode->i_sb->s_inode_list_lock);
list_add(&inode->i_sb_list, &inode->i_sb->s_inodes);
spin_unlock(&inode->i_sb->s_inode_list_lock);
struct super_block *sb = inode->i_sb;
spin_lock(&sb->s_inode_list_lock);
list_add(&inode->i_sb_list, &sb->s_inodes);
spin_unlock(&sb->s_inode_list_lock);
}
EXPORT_SYMBOL_GPL(inode_sb_list_add);
static inline void inode_sb_list_del(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
if (!list_empty(&inode->i_sb_list)) {
spin_lock(&inode->i_sb->s_inode_list_lock);
spin_lock(&sb->s_inode_list_lock);
list_del_init(&inode->i_sb_list);
spin_unlock(&inode->i_sb->s_inode_list_lock);
spin_unlock(&sb->s_inode_list_lock);
}
}