Linux-libre 4.5-gnu

1 files changed, 0 insertions, 264 deletions

diff --git a/fs/aufs/iinfo.c b/fs/aufs/iinfo.c
deleted file mode 100644
index 67ef672a0..000000000
--- a/fs/aufs/iinfo.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * Copyright (C) 2005-2016 Junjiro R. Okajima
- */
-
-/*
- * inode private data
- */
-
-#include "aufs.h"
-
-struct inode *au_h_iptr(struct inode *inode, aufs_bindex_t bindex)
-{
-	struct inode *h_inode;
-
-	IiMustAnyLock(inode);
-
-	h_inode = au_ii(inode)->ii_hinode[0 + bindex].hi_inode;
-	AuDebugOn(h_inode && atomic_read(&h_inode->i_count) <= 0);
-	return h_inode;
-}
-
-/* todo: hard/soft set? */
-void au_hiput(struct au_hinode *hinode)
-{
-	au_hn_free(hinode);
-	dput(hinode->hi_whdentry);
-	iput(hinode->hi_inode);
-}
-
-unsigned int au_hi_flags(struct inode *inode, int isdir)
-{
-	unsigned int flags;
-	const unsigned int mnt_flags = au_mntflags(inode->i_sb);
-
-	flags = 0;
-	if (au_opt_test(mnt_flags, XINO))
-		au_fset_hi(flags, XINO);
-	if (isdir && au_opt_test(mnt_flags, UDBA_HNOTIFY))
-		au_fset_hi(flags, HNOTIFY);
-	return flags;
-}
-
-void au_set_h_iptr(struct inode *inode, aufs_bindex_t bindex,
-		   struct inode *h_inode, unsigned int flags)
-{
-	struct au_hinode *hinode;
-	struct inode *hi;
-	struct au_iinfo *iinfo = au_ii(inode);
-
-	IiMustWriteLock(inode);
-
-	hinode = iinfo->ii_hinode + bindex;
-	hi = hinode->hi_inode;
-	AuDebugOn(h_inode && atomic_read(&h_inode->i_count) <= 0);
-
-	if (hi)
-		au_hiput(hinode);
-	hinode->hi_inode = h_inode;
-	if (h_inode) {
-		int err;
-		struct super_block *sb = inode->i_sb;
-		struct au_branch *br;
-
-		AuDebugOn(inode->i_mode
-			  && (h_inode->i_mode & S_IFMT)
-			  != (inode->i_mode & S_IFMT));
-		if (bindex == iinfo->ii_bstart)
-			au_cpup_igen(inode, h_inode);
-		br = au_sbr(sb, bindex);
-		hinode->hi_id = br->br_id;
-		if (au_ftest_hi(flags, XINO)) {
-			err = au_xino_write(sb, bindex, h_inode->i_ino,
-					    inode->i_ino);
-			if (unlikely(err))
-				AuIOErr1("failed au_xino_write() %d\n", err);
-		}
-
-		if (au_ftest_hi(flags, HNOTIFY)
-		    && au_br_hnotifyable(br->br_perm)) {
-			err = au_hn_alloc(hinode, inode);
-			if (unlikely(err))
-				AuIOErr1("au_hn_alloc() %d\n", err);
-		}
-	}
-}
-
-void au_set_hi_wh(struct inode *inode, aufs_bindex_t bindex,
-		  struct dentry *h_wh)
-{
-	struct au_hinode *hinode;
-
-	IiMustWriteLock(inode);
-
-	hinode = au_ii(inode)->ii_hinode + bindex;
-	AuDebugOn(hinode->hi_whdentry);
-	hinode->hi_whdentry = h_wh;
-}
-
-void au_update_iigen(struct inode *inode, int half)
-{
-	struct au_iinfo *iinfo;
-	struct au_iigen *iigen;
-	unsigned int sigen;
-
-	sigen = au_sigen(inode->i_sb);
-	iinfo = au_ii(inode);
-	iigen = &iinfo->ii_generation;
-	spin_lock(&iigen->ig_spin);
-	iigen->ig_generation = sigen;
-	if (half)
-		au_ig_fset(iigen->ig_flags, HALF_REFRESHED);
-	else
-		au_ig_fclr(iigen->ig_flags, HALF_REFRESHED);
-	spin_unlock(&iigen->ig_spin);
-}
-
-/* it may be called at remount time, too */
-void au_update_ibrange(struct inode *inode, int do_put_zero)
-{
-	struct au_iinfo *iinfo;
-	aufs_bindex_t bindex, bend;
-
-	iinfo = au_ii(inode);
-	if (!iinfo)
-		return;
-
-	IiMustWriteLock(inode);
-
-	if (do_put_zero && iinfo->ii_bstart >= 0) {
-		for (bindex = iinfo->ii_bstart; bindex <= iinfo->ii_bend;
-		     bindex++) {
-			struct inode *h_i;
-
-			h_i = iinfo->ii_hinode[0 + bindex].hi_inode;
-			if (h_i
-			    && !h_i->i_nlink
-			    && !(h_i->i_state & I_LINKABLE))
-				au_set_h_iptr(inode, bindex, NULL, 0);
-		}
-	}
-
-	iinfo->ii_bstart = -1;
-	iinfo->ii_bend = -1;
-	bend = au_sbend(inode->i_sb);
-	for (bindex = 0; bindex <= bend; bindex++)
-		if (iinfo->ii_hinode[0 + bindex].hi_inode) {
-			iinfo->ii_bstart = bindex;
-			break;
-		}
-	if (iinfo->ii_bstart >= 0)
-		for (bindex = bend; bindex >= iinfo->ii_bstart; bindex--)
-			if (iinfo->ii_hinode[0 + bindex].hi_inode) {
-				iinfo->ii_bend = bindex;
-				break;
-			}
-	AuDebugOn(iinfo->ii_bstart > iinfo->ii_bend);
-}
-
-/* ---------------------------------------------------------------------- */
-
-void au_icntnr_init_once(void *_c)
-{
-	struct au_icntnr *c = _c;
-	struct au_iinfo *iinfo = &c->iinfo;
-	static struct lock_class_key aufs_ii;
-
-	spin_lock_init(&iinfo->ii_generation.ig_spin);
-	au_rw_init(&iinfo->ii_rwsem);
-	au_rw_class(&iinfo->ii_rwsem, &aufs_ii);
-	inode_init_once(&c->vfs_inode);
-}
-
-int au_iinfo_init(struct inode *inode)
-{
-	struct au_iinfo *iinfo;
-	struct super_block *sb;
-	int nbr, i;
-
-	sb = inode->i_sb;
-	iinfo = &(container_of(inode, struct au_icntnr, vfs_inode)->iinfo);
-	nbr = au_sbend(sb) + 1;
-	if (unlikely(nbr <= 0))
-		nbr = 1;
-	iinfo->ii_hinode = kcalloc(nbr, sizeof(*iinfo->ii_hinode), GFP_NOFS);
-	if (iinfo->ii_hinode) {
-		au_ninodes_inc(sb);
-		for (i = 0; i < nbr; i++)
-			iinfo->ii_hinode[i].hi_id = -1;
-
-		iinfo->ii_generation.ig_generation = au_sigen(sb);
-		iinfo->ii_bstart = -1;
-		iinfo->ii_bend = -1;
-		iinfo->ii_vdir = NULL;
-		return 0;
-	}
-	return -ENOMEM;
-}
-
-int au_ii_realloc(struct au_iinfo *iinfo, int nbr)
-{
-	int err, sz;
-	struct au_hinode *hip;
-
-	AuRwMustWriteLock(&iinfo->ii_rwsem);
-
-	err = -ENOMEM;
-	sz = sizeof(*hip) * (iinfo->ii_bend + 1);
-	if (!sz)
-		sz = sizeof(*hip);
-	hip = au_kzrealloc(iinfo->ii_hinode, sz, sizeof(*hip) * nbr, GFP_NOFS);
-	if (hip) {
-		iinfo->ii_hinode = hip;
-		err = 0;
-	}
-
-	return err;
-}
-
-void au_iinfo_fin(struct inode *inode)
-{
-	struct au_iinfo *iinfo;
-	struct au_hinode *hi;
-	struct super_block *sb;
-	aufs_bindex_t bindex, bend;
-	const unsigned char unlinked = !inode->i_nlink;
-
-	iinfo = au_ii(inode);
-	/* bad_inode case */
-	if (!iinfo)
-		return;
-
-	sb = inode->i_sb;
-	au_ninodes_dec(sb);
-	if (si_pid_test(sb))
-		au_xino_delete_inode(inode, unlinked);
-	else {
-		/*
-		 * it is safe to hide the dependency between sbinfo and
-		 * sb->s_umount.
-		 */
-		lockdep_off();
-		si_noflush_read_lock(sb);
-		au_xino_delete_inode(inode, unlinked);
-		si_read_unlock(sb);
-		lockdep_on();
-	}
-
-	if (iinfo->ii_vdir)
-		au_vdir_free(iinfo->ii_vdir);
-
-	bindex = iinfo->ii_bstart;
-	if (bindex >= 0) {
-		hi = iinfo->ii_hinode + bindex;
-		bend = iinfo->ii_bend;
-		while (bindex++ <= bend) {
-			if (hi->hi_inode)
-				au_hiput(hi);
-			hi++;
-		}
-	}
-	kfree(iinfo->ii_hinode);
-	iinfo->ii_hinode = NULL;
-	AuRwDestroy(&iinfo->ii_rwsem);
-}