convert ext4 to ->evict_inode()

pretty much brute-force...

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

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 19a4de5..6a0d52c 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1571,7 +1571,8 @@ extern int  ext4_write_inode(struct inode *, struct writeback_control *);
 extern int  ext4_setattr(struct dentry *, struct iattr *);
 extern int  ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
                                struct kstat *stat);
-extern void ext4_delete_inode(struct inode *);
+extern void ext4_evict_inode(struct inode *);
+extern void ext4_clear_inode(struct inode *);
 extern int  ext4_sync_inode(handle_t *, struct inode *);
 extern void ext4_dirty_inode(struct inode *);
 extern int ext4_change_inode_journal_flag(struct inode *, int);

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 25c4b31..07e791a 100644 (file)
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -222,7 +222,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
        is_directory = S_ISDIR(inode->i_mode);
 
        /* Do this BEFORE marking the inode not in use or returning an error */
-       clear_inode(inode);
+       ext4_clear_inode(inode);
 
        es = EXT4_SB(sb)->s_es;
        if (ino < EXT4_FIRST_INO(sb) || ino > le32_to_cpu(es->s_inodes_count)) {

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 1fb3903..c6d365f 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -167,11 +167,16 @@ int ext4_truncate_restart_trans(handle_t *handle, struct inode *inode,
 /*
  * Called at the last iput() if i_nlink is zero.
  */
-void ext4_delete_inode(struct inode *inode)
+void ext4_evict_inode(struct inode *inode)
 {
        handle_t *handle;
        int err;
 
+       if (inode->i_nlink) {
+               truncate_inode_pages(&inode->i_data, 0);
+               goto no_delete;
+       }
+
        if (!is_bad_inode(inode))
                dquot_initialize(inode);
 
@@ -245,13 +250,13 @@ void ext4_delete_inode(struct inode *inode)
         */
        if (ext4_mark_inode_dirty(handle, inode))
                /* If that failed, just do the required in-core inode clear. */
-               clear_inode(inode);
+               ext4_clear_inode(inode);
        else
                ext4_free_inode(handle, inode);
        ext4_journal_stop(handle);
        return;
 no_delete:
-       clear_inode(inode);     /* We must guarantee clearing of inode... */
+       ext4_clear_inode(inode);        /* We must guarantee clearing of inode... */
 }
 
 typedef struct {

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4e8983a..f627a6a 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -813,8 +813,10 @@ static void destroy_inodecache(void)
        kmem_cache_destroy(ext4_inode_cachep);
 }
 
-static void ext4_clear_inode(struct inode *inode)
+void ext4_clear_inode(struct inode *inode)
 {
+       invalidate_inode_buffers(inode);
+       end_writeback(inode);
        dquot_drop(inode);
        ext4_discard_preallocations(inode);
        if (EXT4_JOURNAL(inode))
@@ -1100,14 +1102,13 @@ static const struct super_operations ext4_sops = {
        .destroy_inode  = ext4_destroy_inode,
        .write_inode    = ext4_write_inode,
        .dirty_inode    = ext4_dirty_inode,
-       .delete_inode   = ext4_delete_inode,
+       .evict_inode    = ext4_evict_inode,
        .put_super      = ext4_put_super,
        .sync_fs        = ext4_sync_fs,
        .freeze_fs      = ext4_freeze,
        .unfreeze_fs    = ext4_unfreeze,
        .statfs         = ext4_statfs,
        .remount_fs     = ext4_remount,
-       .clear_inode    = ext4_clear_inode,
        .show_options   = ext4_show_options,
 #ifdef CONFIG_QUOTA
        .quota_read     = ext4_quota_read,
@@ -1121,12 +1122,11 @@ static const struct super_operations ext4_nojournal_sops = {
        .destroy_inode  = ext4_destroy_inode,
        .write_inode    = ext4_write_inode,
        .dirty_inode    = ext4_dirty_inode,
-       .delete_inode   = ext4_delete_inode,
+       .evict_inode    = ext4_evict_inode,
        .write_super    = ext4_write_super,
        .put_super      = ext4_put_super,
        .statfs         = ext4_statfs,
        .remount_fs     = ext4_remount,
-       .clear_inode    = ext4_clear_inode,
        .show_options   = ext4_show_options,
 #ifdef CONFIG_QUOTA
        .quota_read     = ext4_quota_read,