diff options
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index e689268046c3..f09b9085f7d8 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -337,23 +337,6 @@ static void dentry_lru_del(struct dentry *dentry) } } -/* - * Remove a dentry that is unreferenced and about to be pruned - * (unhashed and destroyed) from the LRU, and inform the file system. - * This wrapper should be called _prior_ to unhashing a victim dentry. - */ -static void dentry_lru_prune(struct dentry *dentry) -{ - if (!list_empty(&dentry->d_lru)) { - if (dentry->d_flags & DCACHE_OP_PRUNE) - dentry->d_op->d_prune(dentry); - - spin_lock(&dcache_lru_lock); - __dentry_lru_del(dentry); - spin_unlock(&dcache_lru_lock); - } -} - static void dentry_lru_move_list(struct dentry *dentry, struct list_head *list) { spin_lock(&dcache_lru_lock); @@ -486,11 +469,13 @@ relock: if (ref) dentry->d_count--; /* - * if dentry was on the d_lru list delete it from there. * inform the fs via d_prune that this dentry is about to be * unhashed and destroyed. */ - dentry_lru_prune(dentry); + if (dentry->d_flags & DCACHE_OP_PRUNE) + dentry->d_op->d_prune(dentry); + + dentry_lru_del(dentry); /* if it was on the hash then remove it */ __d_drop(dentry); return d_kill(dentry, parent); @@ -919,11 +904,13 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry) struct inode *inode; /* - * remove the dentry from the lru, and inform - * the fs that this dentry is about to be + * inform the fs that this dentry is about to be * unhashed and destroyed. */ - dentry_lru_prune(dentry); + if (dentry->d_flags & DCACHE_OP_PRUNE) + dentry->d_op->d_prune(dentry); + + dentry_lru_del(dentry); __d_shrink(dentry); if (dentry->d_count != 0) { @@ -2410,8 +2397,7 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon) dentry->d_parent = dentry; list_del_init(&dentry->d_u.d_child); anon->d_parent = dparent; - list_del(&anon->d_u.d_child); - list_add(&anon->d_u.d_child, &dparent->d_subdirs); + list_move(&anon->d_u.d_child, &dparent->d_subdirs); write_seqcount_end(&dentry->d_seq); write_seqcount_end(&anon->d_seq); |