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| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-09-11 09:00:01 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-09-11 12:46:14 +0200 |
| commit | e9c03af21cc7e5723d4f1e90fe45d2cdccb70dc7 (patch) | |
| tree | a6daaac424c8aa5a827de19a2b21ea9a8636de04 /fs/configfs/configfs_internal.h | |
| parent | 2743c515a1239bb96028bddafef87c0a486f4361 (diff) | |
| download | linux-e9c03af21cc7e5723d4f1e90fe45d2cdccb70dc7.tar.bz2 | |
configfs: calculate the symlink target only once
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/configfs/configfs_internal.h')
| -rw-r--r-- | fs/configfs/configfs_internal.h | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h index c1f2125acf94..22dce2d35a4b 100644 --- a/fs/configfs/configfs_internal.h +++ b/fs/configfs/configfs_internal.h @@ -34,7 +34,7 @@ struct configfs_dirent { int s_dependent_count; struct list_head s_sibling; struct list_head s_children; - struct list_head s_links; + int s_links; void * s_element; int s_type; umode_t s_mode; @@ -84,7 +84,6 @@ extern int configfs_setattr(struct dentry *dentry, struct iattr *iattr); extern struct dentry *configfs_pin_fs(void); extern void configfs_release_fs(void); -extern struct rw_semaphore configfs_rename_sem; extern const struct file_operations configfs_dir_operations; extern const struct file_operations configfs_file_operations; extern const struct file_operations configfs_bin_file_operations; @@ -97,14 +96,8 @@ extern int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname); extern int configfs_unlink(struct inode *dir, struct dentry *dentry); -struct configfs_symlink { - struct list_head sl_list; - struct config_item *sl_target; -}; - -extern int configfs_create_link(struct configfs_symlink *sl, - struct dentry *parent, - struct dentry *dentry); +int configfs_create_link(struct configfs_dirent *target, struct dentry *parent, + struct dentry *dentry, char *body); static inline struct config_item * to_item(struct dentry * dentry) { @@ -132,11 +125,7 @@ static inline struct config_item *configfs_get_config_item(struct dentry *dentry spin_lock(&dentry->d_lock); if (!d_unhashed(dentry)) { struct configfs_dirent * sd = dentry->d_fsdata; - if (sd->s_type & CONFIGFS_ITEM_LINK) { - struct configfs_symlink * sl = sd->s_element; - item = config_item_get(sl->sl_target); - } else - item = config_item_get(sd->s_element); + item = config_item_get(sd->s_element); } spin_unlock(&dentry->d_lock); |