Add erofs_insert_ihash() helper inserting inode into inode hash table, and erofs_cleanup_ihash() helper cleaning up inode hash table.
Also add prototypes of erofs_iget() and erofs_iget_by_nid() in the header file. Signed-off-by: Jingbo Xu <[email protected]> --- include/erofs/inode.h | 4 ++++ lib/inode.c | 22 +++++++++++++++++++--- 2 files changed, 23 insertions(+), 3 deletions(-) diff --git a/include/erofs/inode.h b/include/erofs/inode.h index e8a5670..aba2a94 100644 --- a/include/erofs/inode.h +++ b/include/erofs/inode.h @@ -25,6 +25,10 @@ u32 erofs_new_encode_dev(dev_t dev); unsigned char erofs_mode_to_ftype(umode_t mode); unsigned char erofs_ftype_to_dtype(unsigned int filetype); void erofs_inode_manager_init(void); +void erofs_insert_ihash(struct erofs_inode *inode, dev_t dev, ino_t ino); +void erofs_cleanup_ihash(void); +struct erofs_inode *erofs_iget(dev_t dev, ino_t ino); +struct erofs_inode *erofs_iget_by_nid(erofs_nid_t nid); unsigned int erofs_iput(struct erofs_inode *inode); erofs_nid_t erofs_lookupnid(struct erofs_inode *inode); struct erofs_dentry *erofs_d_alloc(struct erofs_inode *parent, diff --git a/lib/inode.c b/lib/inode.c index d54f84f..d82ea95 100644 --- a/lib/inode.c +++ b/lib/inode.c @@ -75,6 +75,24 @@ void erofs_inode_manager_init(void) init_list_head(&inode_hashtable[i]); } +void erofs_insert_ihash(struct erofs_inode *inode, dev_t dev, ino_t ino) +{ + list_add(&inode->i_hash, + &inode_hashtable[(ino ^ dev) % NR_INODE_HASHTABLE]); +} + +void erofs_cleanup_ihash(void) +{ + unsigned int i; + struct erofs_inode *inode, *n; + + for (i = 0; i < NR_INODE_HASHTABLE; ++i) { + list_for_each_entry_safe(inode, n, &inode_hashtable[i], i_hash) + list_del_init(&inode->i_hash); + init_list_head(&inode_hashtable[i]); + } +} + /* get the inode from the (source) inode # */ struct erofs_inode *erofs_iget(dev_t dev, ino_t ino) { @@ -976,9 +994,7 @@ static int erofs_fill_inode(struct erofs_inode *inode, struct stat *st, inode->inode_isize = sizeof(struct erofs_inode_compact); } - list_add(&inode->i_hash, - &inode_hashtable[(st->st_ino ^ st->st_dev) % - NR_INODE_HASHTABLE]); + erofs_insert_ihash(inode, st->st_dev, st->st_ino); return 0; } -- 2.19.1.6.gb485710b
