New method - evict_inode()

Hybrid of ->clear_inode() and ->delete_inode(); if present, does
all fs work to be done when in-core inode is about to be gone,
for whatever reason.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 4 insertions, 1 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 60cb25969762..474a72f571a4 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -325,7 +325,9 @@ static void evict(struct inode *inode, int delete)
 {
         const struct super_operations *op = inode->i_sb->s_op;
 
-        if (delete && op->delete_inode) {
+        if (op->evict_inode) {
+                op->evict_inode(inode);
+        } else if (delete && op->delete_inode) {
                 op->delete_inode(inode);
         } else {
                 if (inode->i_data.nrpages)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 218693d8d446..ce50be4b0b41 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1563,6 +1563,7 @@ struct super_operations {
         void (*dirty_inode) (struct inode *);
         int (*write_inode) (struct inode *, struct writeback_control *wbc);
         void (*drop_inode) (struct inode *);
+        void (*evict_inode) (struct inode *);
         void (*delete_inode) (struct inode *);
         void (*put_super) (struct super_block *);
         void (*write_super) (struct super_block *);