[patch 08/35] fs: icache lock i_count
From: npiggin
Date: Tue Oct 19 2010 - 00:02:23 EST
Protect inode->i_count with i_lock, rather than having it atomic.
Signed-off-by: Nick Piggin <npiggin@xxxxxxxxx>
---
arch/powerpc/platforms/cell/spufs/file.c | 2 -
drivers/staging/pohmelfs/inode.c | 10 ++++----
fs/9p/vfs_inode.c | 4 ++-
fs/affs/inode.c | 4 ++-
fs/afs/dir.c | 4 ++-
fs/anon_inodes.c | 4 ++-
fs/bfs/dir.c | 4 ++-
fs/block_dev.c | 15 ++++++++++--
fs/btrfs/inode.c | 17 ++++++++++----
fs/ceph/mds_client.c | 2 -
fs/cifs/inode.c | 2 -
fs/coda/dir.c | 4 ++-
fs/exofs/inode.c | 12 +++++++---
fs/exofs/namei.c | 4 ++-
fs/ext2/namei.c | 4 ++-
fs/ext3/ialloc.c | 4 +--
fs/ext3/namei.c | 4 ++-
fs/ext4/ialloc.c | 4 +--
fs/ext4/namei.c | 4 ++-
fs/fs-writeback.c | 4 +--
fs/gfs2/ops_inode.c | 4 ++-
fs/hfsplus/dir.c | 4 ++-
fs/hpfs/inode.c | 2 -
fs/inode.c | 36 +++++++++++++++++++++----------
fs/jffs2/dir.c | 8 +++++-
fs/jfs/jfs_txnmgr.c | 4 ++-
fs/jfs/namei.c | 4 ++-
fs/libfs.c | 4 ++-
fs/locks.c | 4 +--
fs/logfs/dir.c | 4 ++-
fs/logfs/readwrite.c | 2 -
fs/minix/namei.c | 4 ++-
fs/namei.c | 7 ++++--
fs/nfs/dir.c | 4 ++-
fs/nfs/getroot.c | 4 ++-
fs/nfs/inode.c | 4 +--
fs/nfs/nfs4state.c | 2 -
fs/nfs/write.c | 2 -
fs/nilfs2/mdt.c | 2 -
fs/nilfs2/namei.c | 4 ++-
fs/notify/inode_mark.c | 4 +--
fs/ntfs/super.c | 4 ++-
fs/ocfs2/namei.c | 4 ++-
fs/reiserfs/namei.c | 4 ++-
fs/reiserfs/stree.c | 2 -
fs/sysv/namei.c | 4 ++-
fs/ubifs/dir.c | 4 ++-
fs/ubifs/super.c | 2 -
fs/udf/namei.c | 4 ++-
fs/ufs/namei.c | 4 ++-
fs/xfs/linux-2.6/xfs_iops.c | 4 ++-
fs/xfs/linux-2.6/xfs_trace.h | 2 -
fs/xfs/xfs_inode.h | 6 +++--
include/linux/fs.h | 2 -
ipc/mqueue.c | 7 ++++--
kernel/futex.c | 4 ++-
mm/shmem.c | 4 ++-
net/socket.c | 4 ++-
58 files changed, 200 insertions(+), 90 deletions(-)
Index: linux-2.6/arch/powerpc/platforms/cell/spufs/file.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/cell/spufs/file.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/arch/powerpc/platforms/cell/spufs/file.c 2010-10-19 14:19:16.000000000 +1100
@@ -1549,7 +1549,7 @@
if (ctx->owner != current->mm)
return -EINVAL;
- if (atomic_read(&inode->i_count) != 1)
+ if (inode->i_count != 1)
return -EBUSY;
mutex_lock(&ctx->mapping_lock);
Index: linux-2.6/fs/affs/inode.c
===================================================================
--- linux-2.6.orig/fs/affs/inode.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/affs/inode.c 2010-10-19 14:19:18.000000000 +1100
@@ -388,7 +388,9 @@
affs_adjust_checksum(inode_bh, block - be32_to_cpu(chain));
mark_buffer_dirty_inode(inode_bh, inode);
inode->i_nlink = 2;
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
}
affs_fix_checksum(sb, bh);
mark_buffer_dirty_inode(bh, inode);
Index: linux-2.6/fs/afs/dir.c
===================================================================
--- linux-2.6.orig/fs/afs/dir.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/afs/dir.c 2010-10-19 14:19:19.000000000 +1100
@@ -1045,7 +1045,9 @@
if (ret < 0)
goto link_error;
- atomic_inc(&vnode->vfs_inode.i_count);
+ spin_lock(&vnode->vfs_inode.i_lock);
+ vnode->vfs_inode.i_count++;
+ spin_unlock(&vnode->vfs_inode.i_lock);
d_instantiate(dentry, &vnode->vfs_inode);
key_put(key);
_leave(" = 0");
Index: linux-2.6/fs/anon_inodes.c
===================================================================
--- linux-2.6.orig/fs/anon_inodes.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/anon_inodes.c 2010-10-19 14:19:22.000000000 +1100
@@ -114,7 +114,9 @@
* so we can avoid doing an igrab() and we can use an open-coded
* atomic_inc().
*/
- atomic_inc(&anon_inode_inode->i_count);
+ spin_lock(&anon_inode_inode->i_lock);
+ anon_inode_inode->i_count++;
+ spin_unlock(&anon_inode_inode->i_lock);
path.dentry->d_op = &anon_inodefs_dentry_operations;
d_instantiate(path.dentry, anon_inode_inode);
Index: linux-2.6/fs/block_dev.c
===================================================================
--- linux-2.6.orig/fs/block_dev.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/block_dev.c 2010-10-19 14:19:28.000000000 +1100
@@ -550,7 +550,12 @@
*/
struct block_device *bdgrab(struct block_device *bdev)
{
- atomic_inc(&bdev->bd_inode->i_count);
+ struct inode *inode = bdev->bd_inode;
+
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
+
return bdev;
}
@@ -580,7 +585,9 @@
spin_lock(&bdev_lock);
bdev = inode->i_bdev;
if (bdev) {
- atomic_inc(&bdev->bd_inode->i_count);
+ spin_lock(&inode->i_lock);
+ bdev->bd_inode->i_count++;
+ spin_unlock(&inode->i_lock);
spin_unlock(&bdev_lock);
return bdev;
}
@@ -596,7 +603,9 @@
* So, we can access it via ->i_mapping always
* without igrab().
*/
- atomic_inc(&bdev->bd_inode->i_count);
+ spin_lock(&inode->i_lock);
+ bdev->bd_inode->i_count++;
+ spin_unlock(&inode->i_lock);
inode->i_bdev = bdev;
inode->i_mapping = bdev->bd_inode->i_mapping;
list_add(&inode->i_devices, &bdev->bd_inodes);
Index: linux-2.6/fs/ext2/namei.c
===================================================================
--- linux-2.6.orig/fs/ext2/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ext2/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -206,7 +206,9 @@
inode->i_ctime = CURRENT_TIME_SEC;
inode_inc_link_count(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
err = ext2_add_link(dentry, inode);
if (!err) {
Index: linux-2.6/fs/ext3/ialloc.c
===================================================================
--- linux-2.6.orig/fs/ext3/ialloc.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ext3/ialloc.c 2010-10-19 14:19:16.000000000 +1100
@@ -100,9 +100,9 @@
struct ext3_sb_info *sbi;
int fatal = 0, err;
- if (atomic_read(&inode->i_count) > 1) {
+ if (inode->i_count > 1) {
printk ("ext3_free_inode: inode has count=%d\n",
- atomic_read(&inode->i_count));
+ inode->i_count);
return;
}
if (inode->i_nlink) {
Index: linux-2.6/fs/ext3/namei.c
===================================================================
--- linux-2.6.orig/fs/ext3/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ext3/namei.c 2010-10-19 14:19:19.000000000 +1100
@@ -2260,7 +2260,9 @@
inode->i_ctime = CURRENT_TIME_SEC;
inc_nlink(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
err = ext3_add_entry(handle, dentry, inode);
if (!err) {
Index: linux-2.6/fs/fs-writeback.c
===================================================================
--- linux-2.6.orig/fs/fs-writeback.c 2010-10-19 14:18:58.000000000 +1100
+++ linux-2.6/fs/fs-writeback.c 2010-10-19 14:19:34.000000000 +1100
@@ -317,7 +317,7 @@
unsigned dirty;
int ret;
- if (!atomic_read(&inode->i_count))
+ if (!inode->i_count)
WARN_ON(!(inode->i_state & (I_WILL_FREE|I_FREEING)));
else
WARN_ON(inode->i_state & I_WILL_FREE);
@@ -414,7 +414,7 @@
* completion.
*/
redirty_tail(inode);
- } else if (atomic_read(&inode->i_count)) {
+ } else if (inode->i_count) {
/*
* The inode is clean, inuse
*/
Index: linux-2.6/fs/inode.c
===================================================================
--- linux-2.6.orig/fs/inode.c 2010-10-19 14:18:58.000000000 +1100
+++ linux-2.6/fs/inode.c 2010-10-19 14:19:34.000000000 +1100
@@ -32,14 +32,13 @@
* inode_hash_lock protects:
* inode hash table, i_hash
* inode->i_lock protects:
- * i_state
+ * i_state, i_count
*
* Ordering:
* inode_lock
* sb_inode_list_lock
* inode->i_lock
- * inode_lock
- * inode_hash_lock
+ * inode_hash_lock
*/
/*
* This is needed for the following functions:
@@ -150,7 +149,7 @@
inode->i_sb = sb;
inode->i_blkbits = sb->s_blocksize_bits;
inode->i_flags = 0;
- atomic_set(&inode->i_count, 1);
+ inode->i_count = 1;
inode->i_op = &empty_iops;
inode->i_fop = &empty_fops;
inode->i_nlink = 1;
@@ -301,7 +300,8 @@
{
assert_spin_locked(&inode->i_lock);
- if (atomic_inc_return(&inode->i_count) != 1)
+ inode->i_count++;
+ if (inode->i_count > 1)
return;
if (!(inode->i_state & (I_DIRTY|I_SYNC)))
@@ -407,7 +407,7 @@
continue;
}
invalidate_inode_buffers(inode);
- if (!atomic_read(&inode->i_count)) {
+ if (!inode->i_count) {
list_move(&inode->i_list, dispose);
WARN_ON(inode->i_state & I_NEW);
inode->i_state |= I_FREEING;
@@ -457,7 +457,7 @@
return 0;
if (inode_has_buffers(inode))
return 0;
- if (atomic_read(&inode->i_count))
+ if (inode->i_count)
return 0;
if (inode->i_data.nrpages)
return 0;
@@ -495,7 +495,7 @@
inode = list_entry(inode_unused.prev, struct inode, i_list);
spin_lock(&inode->i_lock);
- if (inode->i_state || atomic_read(&inode->i_count)) {
+ if (inode->i_state || inode->i_count) {
list_move(&inode->i_list, &inode_unused);
spin_unlock(&inode->i_lock);
continue;
@@ -1310,8 +1310,6 @@
const struct super_operations *op = inode->i_sb->s_op;
int drop;
- spin_lock(&sb_inode_list_lock);
- spin_lock(&inode->i_lock);
if (op && op->drop_inode)
drop = op->drop_inode(inode);
else
@@ -1376,8 +1374,24 @@
if (inode) {
BUG_ON(inode->i_state & I_CLEAR);
- if (atomic_dec_and_lock(&inode->i_count, &inode_lock))
+retry:
+ spin_lock(&inode->i_lock);
+ if (inode->i_count == 1) {
+ if (!spin_trylock(&inode_lock)) {
+ spin_unlock(&inode->i_lock);
+ goto retry;
+ }
+ if (!spin_trylock(&sb_inode_list_lock)) {
+ spin_unlock(&inode_lock);
+ spin_unlock(&inode->i_lock);
+ goto retry;
+ }
+ inode->i_count--;
iput_final(inode);
+ } else {
+ inode->i_count--;
+ spin_unlock(&inode->i_lock);
+ }
}
}
EXPORT_SYMBOL(iput);
Index: linux-2.6/fs/libfs.c
===================================================================
--- linux-2.6.orig/fs/libfs.c 2010-10-19 14:17:28.000000000 +1100
+++ linux-2.6/fs/libfs.c 2010-10-19 14:19:18.000000000 +1100
@@ -255,7 +255,9 @@
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
inc_nlink(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
dget(dentry);
d_instantiate(dentry, inode);
return 0;
Index: linux-2.6/fs/locks.c
===================================================================
--- linux-2.6.orig/fs/locks.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/locks.c 2010-10-19 14:19:16.000000000 +1100
@@ -1375,8 +1375,8 @@
if ((arg == F_RDLCK) && (atomic_read(&inode->i_writecount) > 0))
goto out;
if ((arg == F_WRLCK)
- && ((atomic_read(&dentry->d_count) > 1)
- || (atomic_read(&inode->i_count) > 1)))
+ && (atomic_read(&dentry->d_count) > 1
+ || inode->i_count > 1))
goto out;
}
Index: linux-2.6/fs/namei.c
===================================================================
--- linux-2.6.orig/fs/namei.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -2290,8 +2290,11 @@
if (nd.last.name[nd.last.len])
goto slashes;
inode = dentry->d_inode;
- if (inode)
- atomic_inc(&inode->i_count);
+ if (inode) {
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
+ }
error = mnt_want_write(nd.path.mnt);
if (error)
goto exit2;
Index: linux-2.6/fs/nfs/dir.c
===================================================================
--- linux-2.6.orig/fs/nfs/dir.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/nfs/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -1580,7 +1580,9 @@
d_drop(dentry);
error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);
if (error == 0) {
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_add(dentry, inode);
}
return error;
Index: linux-2.6/fs/xfs/linux-2.6/xfs_iops.c
===================================================================
--- linux-2.6.orig/fs/xfs/linux-2.6/xfs_iops.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/xfs/linux-2.6/xfs_iops.c 2010-10-19 14:19:18.000000000 +1100
@@ -352,7 +352,9 @@
if (unlikely(error))
return -error;
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_instantiate(dentry, inode);
return 0;
}
Index: linux-2.6/fs/xfs/xfs_inode.h
===================================================================
--- linux-2.6.orig/fs/xfs/xfs_inode.h 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/xfs/xfs_inode.h 2010-10-19 14:19:18.000000000 +1100
@@ -481,8 +481,10 @@
#define IHOLD(ip) \
do { \
- ASSERT(atomic_read(&VFS_I(ip)->i_count) > 0) ; \
- atomic_inc(&(VFS_I(ip)->i_count)); \
+ spin_lock(&VFS_I(ip)->i_lock); \
+ ASSERT(VFS_I(ip)->i_count > 0) ; \
+ VFS_I(ip)->i_count++; \
+ spin_unlock(&VFS_I(ip)->i_lock); \
trace_xfs_ihold(ip, _THIS_IP_); \
} while (0)
Index: linux-2.6/include/linux/fs.h
===================================================================
--- linux-2.6.orig/include/linux/fs.h 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/include/linux/fs.h 2010-10-19 14:19:33.000000000 +1100
@@ -728,7 +728,7 @@
struct list_head i_sb_list;
struct list_head i_dentry;
unsigned long i_ino;
- atomic_t i_count;
+ unsigned int i_count;
unsigned int i_nlink;
uid_t i_uid;
gid_t i_gid;
Index: linux-2.6/ipc/mqueue.c
===================================================================
--- linux-2.6.orig/ipc/mqueue.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/ipc/mqueue.c 2010-10-19 14:19:28.000000000 +1100
@@ -768,8 +768,11 @@
}
inode = dentry->d_inode;
- if (inode)
- atomic_inc(&inode->i_count);
+ if (inode) {
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
+ }
err = mnt_want_write(ipc_ns->mq_mnt);
if (err)
goto out_err;
Index: linux-2.6/kernel/futex.c
===================================================================
--- linux-2.6.orig/kernel/futex.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/kernel/futex.c 2010-10-19 14:19:18.000000000 +1100
@@ -168,7 +168,9 @@
switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
case FUT_OFF_INODE:
- atomic_inc(&key->shared.inode->i_count);
+ spin_lock(&key->shared.inode->i_lock);
+ key->shared.inode->i_count++;
+ spin_unlock(&key->shared.inode->i_lock);
break;
case FUT_OFF_MMSHARED:
atomic_inc(&key->private.mm->mm_count);
Index: linux-2.6/mm/shmem.c
===================================================================
--- linux-2.6.orig/mm/shmem.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/mm/shmem.c 2010-10-19 14:19:31.000000000 +1100
@@ -1903,7 +1903,9 @@
dir->i_size += BOGO_DIRENT_SIZE;
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
inc_nlink(inode);
- atomic_inc(&inode->i_count); /* New dentry reference */
+ spin_lock(&inode->i_lock);
+ inode->i_count++; /* New dentry reference */
+ spin_unlock(&inode->i_lock);
dget(dentry); /* Extra pinning count for the created dentry */
d_instantiate(dentry, inode);
out:
Index: linux-2.6/fs/bfs/dir.c
===================================================================
--- linux-2.6.orig/fs/bfs/dir.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/bfs/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -176,7 +176,9 @@
inc_nlink(inode);
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_instantiate(new, inode);
mutex_unlock(&info->bfs_lock);
return 0;
Index: linux-2.6/fs/btrfs/inode.c
===================================================================
--- linux-2.6.orig/fs/btrfs/inode.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/btrfs/inode.c 2010-10-19 14:19:31.000000000 +1100
@@ -1964,8 +1964,13 @@
struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
struct delayed_iput *delayed;
- if (atomic_add_unless(&inode->i_count, -1, 1))
+ spin_lock(&inode->i_lock);
+ if (inode->i_count > 1) {
+ inode->i_count--;
+ spin_unlock(&inode->i_lock);
return;
+ }
+ spin_unlock(&inode->i_lock);
delayed = kmalloc(sizeof(*delayed), GFP_NOFS | __GFP_NOFAIL);
delayed->inode = inode;
@@ -2718,10 +2723,10 @@
return ERR_PTR(-ENOSPC);
/* check if there is someone else holds reference */
- if (S_ISDIR(inode->i_mode) && atomic_read(&inode->i_count) > 1)
+ if (S_ISDIR(inode->i_mode) && inode->i_count > 1)
return ERR_PTR(-ENOSPC);
- if (atomic_read(&inode->i_count) > 2)
+ if (inode->i_count > 2)
return ERR_PTR(-ENOSPC);
if (xchg(&root->fs_info->enospc_unlink, 1))
@@ -3939,7 +3944,7 @@
inode = igrab(&entry->vfs_inode);
if (inode) {
spin_unlock(&root->inode_lock);
- if (atomic_read(&inode->i_count) > 1)
+ if (inode->i_count > 1)
d_prune_aliases(inode);
/*
* btrfs_drop_inode will have it removed from
@@ -4758,7 +4763,9 @@
}
btrfs_set_trans_block_group(trans, dir);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
err = btrfs_add_nondir(trans, dentry, inode, 1, index);
Index: linux-2.6/fs/coda/dir.c
===================================================================
--- linux-2.6.orig/fs/coda/dir.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/coda/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -303,7 +303,9 @@
}
coda_dir_update_mtime(dir_inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_instantiate(de, inode);
inc_nlink(inode);
Index: linux-2.6/fs/exofs/inode.c
===================================================================
--- linux-2.6.orig/fs/exofs/inode.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/exofs/inode.c 2010-10-19 14:19:18.000000000 +1100
@@ -1107,7 +1107,9 @@
set_obj_created(oi);
- atomic_dec(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count--;
+ spin_unlock(&inode->i_lock);
wake_up(&oi->i_wq);
}
@@ -1160,14 +1162,18 @@
/* increment the refcount so that the inode will still be around when we
* reach the callback
*/
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
ios->done = create_done;
ios->private = inode;
ios->cred = oi->i_cred;
ret = exofs_sbi_create(ios);
if (ret) {
- atomic_dec(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count--;
+ spin_unlock(&inode->i_lock);
exofs_put_io_state(ios);
return ERR_PTR(ret);
}
Index: linux-2.6/fs/exofs/namei.c
===================================================================
--- linux-2.6.orig/fs/exofs/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/exofs/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -153,7 +153,9 @@
inode->i_ctime = CURRENT_TIME;
inode_inc_link_count(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
return exofs_add_nondir(dentry, inode);
}
Index: linux-2.6/fs/ext4/ialloc.c
===================================================================
--- linux-2.6.orig/fs/ext4/ialloc.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/ext4/ialloc.c 2010-10-19 14:19:16.000000000 +1100
@@ -189,9 +189,9 @@
struct ext4_sb_info *sbi;
int fatal = 0, err, count, cleared;
- if (atomic_read(&inode->i_count) > 1) {
+ if (inode->i_count > 1) {
printk(KERN_ERR "ext4_free_inode: inode has count=%d\n",
- atomic_read(&inode->i_count));
+ inode->i_count);
return;
}
if (inode->i_nlink) {
Index: linux-2.6/fs/ext4/namei.c
===================================================================
--- linux-2.6.orig/fs/ext4/namei.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/ext4/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -2312,7 +2312,9 @@
inode->i_ctime = ext4_current_time(inode);
ext4_inc_count(handle, inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
err = ext4_add_entry(handle, dentry, inode);
if (!err) {
Index: linux-2.6/fs/gfs2/ops_inode.c
===================================================================
--- linux-2.6.orig/fs/gfs2/ops_inode.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/gfs2/ops_inode.c 2010-10-19 14:19:19.000000000 +1100
@@ -253,7 +253,9 @@
gfs2_holder_uninit(ghs);
gfs2_holder_uninit(ghs + 1);
if (!error) {
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_instantiate(dentry, inode);
mark_inode_dirty(inode);
}
Index: linux-2.6/fs/hfsplus/dir.c
===================================================================
--- linux-2.6.orig/fs/hfsplus/dir.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/hfsplus/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -301,7 +301,9 @@
inc_nlink(inode);
hfsplus_instantiate(dst_dentry, inode, cnid);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
HFSPLUS_SB(sb).file_count++;
Index: linux-2.6/fs/hpfs/inode.c
===================================================================
--- linux-2.6.orig/fs/hpfs/inode.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/hpfs/inode.c 2010-10-19 14:19:16.000000000 +1100
@@ -183,7 +183,7 @@
struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
struct inode *parent;
if (i->i_ino == hpfs_sb(i->i_sb)->sb_root) return;
- if (hpfs_inode->i_rddir_off && !atomic_read(&i->i_count)) {
+ if (hpfs_inode->i_rddir_off && !i->i_count) {
if (*hpfs_inode->i_rddir_off) printk("HPFS: write_inode: some position still there\n");
kfree(hpfs_inode->i_rddir_off);
hpfs_inode->i_rddir_off = NULL;
Index: linux-2.6/fs/jffs2/dir.c
===================================================================
--- linux-2.6.orig/fs/jffs2/dir.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/jffs2/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -289,7 +289,9 @@
mutex_unlock(&f->sem);
d_instantiate(dentry, old_dentry->d_inode);
dir_i->i_mtime = dir_i->i_ctime = ITIME(now);
- atomic_inc(&old_dentry->d_inode->i_count);
+ spin_lock(&old_dentry->d_inode->i_lock);
+ old_dentry->d_inode->i_count++;
+ spin_unlock(&old_dentry->d_inode->i_lock);
}
return ret;
}
@@ -864,7 +866,9 @@
printk(KERN_NOTICE "jffs2_rename(): Link succeeded, unlink failed (err %d). You now have a hard link\n", ret);
/* Might as well let the VFS know */
d_instantiate(new_dentry, old_dentry->d_inode);
- atomic_inc(&old_dentry->d_inode->i_count);
+ spin_lock(&old_dentry->d_inode->i_lock);
+ old_dentry->d_inode->i_count++;
+ spin_unlock(&old_dentry->d_inode->i_lock);
new_dir_i->i_mtime = new_dir_i->i_ctime = ITIME(now);
return ret;
}
Index: linux-2.6/fs/jfs/jfs_txnmgr.c
===================================================================
--- linux-2.6.orig/fs/jfs/jfs_txnmgr.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/jfs/jfs_txnmgr.c 2010-10-19 14:19:19.000000000 +1100
@@ -1279,7 +1279,9 @@
* lazy commit thread finishes processing
*/
if (tblk->xflag & COMMIT_DELETE) {
- atomic_inc(&tblk->u.ip->i_count);
+ spin_lock(&tblk->u.ip->i_lock);
+ tblk->u.ip->i_count++;
+ spin_unlock(&tblk->u.ip->i_lock);
/*
* Avoid a rare deadlock
*
Index: linux-2.6/fs/jfs/namei.c
===================================================================
--- linux-2.6.orig/fs/jfs/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/jfs/namei.c 2010-10-19 14:19:19.000000000 +1100
@@ -839,7 +839,9 @@
ip->i_ctime = CURRENT_TIME;
dir->i_ctime = dir->i_mtime = CURRENT_TIME;
mark_inode_dirty(dir);
- atomic_inc(&ip->i_count);
+ spin_lock(&ip->i_lock);
+ ip->i_count++;
+ spin_unlock(&ip->i_lock);
iplist[0] = ip;
iplist[1] = dir;
Index: linux-2.6/fs/minix/namei.c
===================================================================
--- linux-2.6.orig/fs/minix/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/minix/namei.c 2010-10-19 14:19:19.000000000 +1100
@@ -101,7 +101,9 @@
inode->i_ctime = CURRENT_TIME_SEC;
inode_inc_link_count(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
return add_nondir(dentry, inode);
}
Index: linux-2.6/fs/nfs/inode.c
===================================================================
--- linux-2.6.orig/fs/nfs/inode.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/nfs/inode.c 2010-10-19 14:19:29.000000000 +1100
@@ -384,7 +384,7 @@
dprintk("NFS: nfs_fhget(%s/%Ld ct=%d)\n",
inode->i_sb->s_id,
(long long)NFS_FILEID(inode),
- atomic_read(&inode->i_count));
+ inode->i_count);
out:
return inode;
@@ -1190,7 +1190,7 @@
dfprintk(VFS, "NFS: %s(%s/%ld ct=%d info=0x%x)\n",
__func__, inode->i_sb->s_id, inode->i_ino,
- atomic_read(&inode->i_count), fattr->valid);
+ inode->i_count, fattr->valid);
if ((fattr->valid & NFS_ATTR_FATTR_FILEID) && nfsi->fileid != fattr->fileid)
goto out_fileid;
Index: linux-2.6/fs/nilfs2/mdt.c
===================================================================
--- linux-2.6.orig/fs/nilfs2/mdt.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/nilfs2/mdt.c 2010-10-19 14:19:21.000000000 +1100
@@ -480,7 +480,7 @@
inode->i_sb = sb; /* sb may be NULL for some meta data files */
inode->i_blkbits = nilfs->ns_blocksize_bits;
inode->i_flags = 0;
- atomic_set(&inode->i_count, 1);
+ inode->i_count = 1;
inode->i_nlink = 1;
inode->i_ino = ino;
inode->i_mode = S_IFREG;
Index: linux-2.6/fs/nilfs2/namei.c
===================================================================
--- linux-2.6.orig/fs/nilfs2/namei.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/nilfs2/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -219,7 +219,9 @@
inode->i_ctime = CURRENT_TIME;
inode_inc_link_count(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
err = nilfs_add_nondir(dentry, inode);
if (!err)
Index: linux-2.6/fs/ocfs2/namei.c
===================================================================
--- linux-2.6.orig/fs/ocfs2/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ocfs2/namei.c 2010-10-19 14:19:19.000000000 +1100
@@ -741,7 +741,9 @@
goto out_commit;
}
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
dentry->d_op = &ocfs2_dentry_ops;
d_instantiate(dentry, inode);
Index: linux-2.6/fs/reiserfs/namei.c
===================================================================
--- linux-2.6.orig/fs/reiserfs/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/reiserfs/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -1156,7 +1156,9 @@
inode->i_ctime = CURRENT_TIME_SEC;
reiserfs_update_sd(&th, inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_instantiate(dentry, inode);
retval = journal_end(&th, dir->i_sb, jbegin_count);
reiserfs_write_unlock(dir->i_sb);
Index: linux-2.6/fs/reiserfs/stree.c
===================================================================
--- linux-2.6.orig/fs/reiserfs/stree.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/reiserfs/stree.c 2010-10-19 14:19:16.000000000 +1100
@@ -1477,7 +1477,7 @@
** reading in the last block. The user will hit problems trying to
** read the file, but for now we just skip the indirect2direct
*/
- if (atomic_read(&inode->i_count) > 1 ||
+ if (inode->i_count > 1 ||
!tail_has_to_be_packed(inode) ||
!page || (REISERFS_I(inode)->i_flags & i_nopack_mask)) {
/* leave tail in an unformatted node */
Index: linux-2.6/fs/sysv/namei.c
===================================================================
--- linux-2.6.orig/fs/sysv/namei.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/sysv/namei.c 2010-10-19 14:19:19.000000000 +1100
@@ -126,7 +126,9 @@
inode->i_ctime = CURRENT_TIME_SEC;
inode_inc_link_count(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
return add_nondir(dentry, inode);
}
Index: linux-2.6/fs/ubifs/dir.c
===================================================================
--- linux-2.6.orig/fs/ubifs/dir.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ubifs/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -550,7 +550,9 @@
lock_2_inodes(dir, inode);
inc_nlink(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
inode->i_ctime = ubifs_current_time(inode);
dir->i_size += sz_change;
dir_ui->ui_size = dir->i_size;
Index: linux-2.6/fs/ubifs/super.c
===================================================================
--- linux-2.6.orig/fs/ubifs/super.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ubifs/super.c 2010-10-19 14:19:29.000000000 +1100
@@ -342,7 +342,7 @@
goto out;
dbg_gen("inode %lu, mode %#x", inode->i_ino, (int)inode->i_mode);
- ubifs_assert(!atomic_read(&inode->i_count));
+ ubifs_assert(!inode->i_count);
truncate_inode_pages(&inode->i_data, 0);
Index: linux-2.6/fs/udf/namei.c
===================================================================
--- linux-2.6.orig/fs/udf/namei.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/udf/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -1101,7 +1101,9 @@
inc_nlink(inode);
inode->i_ctime = current_fs_time(inode->i_sb);
mark_inode_dirty(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
d_instantiate(dentry, inode);
unlock_kernel();
Index: linux-2.6/fs/ufs/namei.c
===================================================================
--- linux-2.6.orig/fs/ufs/namei.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/ufs/namei.c 2010-10-19 14:19:18.000000000 +1100
@@ -180,7 +180,9 @@
inode->i_ctime = CURRENT_TIME_SEC;
inode_inc_link_count(inode);
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
error = ufs_add_nondir(dentry, inode);
unlock_kernel();
Index: linux-2.6/fs/notify/inode_mark.c
===================================================================
--- linux-2.6.orig/fs/notify/inode_mark.c 2010-10-19 14:18:58.000000000 +1100
+++ linux-2.6/fs/notify/inode_mark.c 2010-10-19 14:19:32.000000000 +1100
@@ -260,7 +260,7 @@
* evict all inodes with zero i_count from icache which is
* unnecessarily violent and may in fact be illegal to do.
*/
- if (!atomic_read(&inode->i_count)) {
+ if (!inode->i_count) {
spin_unlock(&inode->i_lock);
continue;
}
@@ -278,7 +278,7 @@
/* In case the dropping of a reference would nuke next_i. */
if (&next_i->i_sb_list != list) {
spin_lock(&next_i->i_lock);
- if (atomic_read(&next_i->i_count) &&
+ if (next_i->i_count &&
!(next_i->i_state & (I_FREEING | I_WILL_FREE))) {
__iget(next_i);
need_iput = next_i;
Index: linux-2.6/fs/ntfs/super.c
===================================================================
--- linux-2.6.orig/fs/ntfs/super.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/ntfs/super.c 2010-10-19 14:19:18.000000000 +1100
@@ -2930,7 +2930,9 @@
}
if ((sb->s_root = d_alloc_root(vol->root_ino))) {
/* We increment i_count simulating an ntfs_iget(). */
- atomic_inc(&vol->root_ino->i_count);
+ spin_lock(&vol->root_ino->i_lock);
+ vol->root_ino->i_count++;
+ spin_unlock(&vol->root_ino->i_lock);
ntfs_debug("Exiting, status successful.");
/* Release the default upcase if it has no users. */
mutex_lock(&ntfs_lock);
Index: linux-2.6/fs/cifs/inode.c
===================================================================
--- linux-2.6.orig/fs/cifs/inode.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/cifs/inode.c 2010-10-19 14:19:16.000000000 +1100
@@ -1641,7 +1641,7 @@
}
cFYI(1, "Revalidate: %s inode 0x%p count %d dentry: 0x%p d_time %ld "
- "jiffies %ld", full_path, inode, inode->i_count.counter,
+ "jiffies %ld", full_path, inode, inode->i_count,
dentry, dentry->d_time, jiffies);
if (CIFS_SB(sb)->tcon->unix_ext)
Index: linux-2.6/fs/xfs/linux-2.6/xfs_trace.h
===================================================================
--- linux-2.6.orig/fs/xfs/linux-2.6/xfs_trace.h 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/xfs/linux-2.6/xfs_trace.h 2010-10-19 14:19:16.000000000 +1100
@@ -599,7 +599,7 @@
TP_fast_assign(
__entry->dev = VFS_I(ip)->i_sb->s_dev;
__entry->ino = ip->i_ino;
- __entry->count = atomic_read(&VFS_I(ip)->i_count);
+ __entry->count = VFS_I(ip)->i_count;
__entry->pincount = atomic_read(&ip->i_pincount);
__entry->caller_ip = caller_ip;
),
Index: linux-2.6/net/socket.c
===================================================================
--- linux-2.6.orig/net/socket.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/net/socket.c 2010-10-19 14:19:29.000000000 +1100
@@ -377,7 +377,9 @@
&socket_file_ops);
if (unlikely(!file)) {
/* drop dentry, keep inode */
- atomic_inc(&path.dentry->d_inode->i_count);
+ spin_lock(&path.dentry->d_inode->i_lock);
+ path.dentry->d_inode->i_count++;
+ spin_unlock(&path.dentry->d_inode->i_lock);
path_put(&path);
put_unused_fd(fd);
return -ENFILE;
Index: linux-2.6/fs/nfs/nfs4state.c
===================================================================
--- linux-2.6.orig/fs/nfs/nfs4state.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/nfs/nfs4state.c 2010-10-19 14:18:58.000000000 +1100
@@ -506,8 +506,8 @@
state->owner = owner;
atomic_inc(&owner->so_count);
list_add(&state->inode_states, &nfsi->open_states);
- state->inode = igrab(inode);
spin_unlock(&inode->i_lock);
+ state->inode = igrab(inode);
/* Note: The reclaim code dictates that we add stateless
* and read-only stateids to the end of the list */
list_add_tail(&state->open_states, &owner->so_states);
Index: linux-2.6/fs/nfs/write.c
===================================================================
--- linux-2.6.orig/fs/nfs/write.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/nfs/write.c 2010-10-19 14:19:18.000000000 +1100
@@ -390,7 +390,7 @@
error = radix_tree_insert(&nfsi->nfs_page_tree, req->wb_index, req);
BUG_ON(error);
if (!nfsi->npages) {
- igrab(inode);
+ __iget(inode);
if (nfs_have_delegation(inode, FMODE_WRITE))
nfsi->change_attr++;
}
Index: linux-2.6/fs/nfs/getroot.c
===================================================================
--- linux-2.6.orig/fs/nfs/getroot.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/nfs/getroot.c 2010-10-19 14:19:18.000000000 +1100
@@ -55,7 +55,9 @@
return -ENOMEM;
}
/* Circumvent igrab(): we know the inode is not being freed */
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
/*
* Ensure that this dentry is invisible to d_find_alias().
* Otherwise, it may be spliced into the tree by
Index: linux-2.6/drivers/staging/pohmelfs/inode.c
===================================================================
--- linux-2.6.orig/drivers/staging/pohmelfs/inode.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/drivers/staging/pohmelfs/inode.c 2010-10-19 14:19:28.000000000 +1100
@@ -1289,11 +1289,11 @@
dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
__func__, pi->ino, pi, inode, count);
- if (atomic_read(&inode->i_count) != count) {
+ if (inode->i_count != count) {
printk("%s: ino: %llu, pi: %p, inode: %p, count: %u, i_count: %d.\n",
__func__, pi->ino, pi, inode, count,
- atomic_read(&inode->i_count));
- count = atomic_read(&inode->i_count);
+ inode->i_count);
+ count = inode->i_count;
in_drop_list++;
}
@@ -1305,7 +1305,7 @@
pi = POHMELFS_I(inode);
dprintk("%s: ino: %llu, pi: %p, inode: %p, i_count: %u.\n",
- __func__, pi->ino, pi, inode, atomic_read(&inode->i_count));
+ __func__, pi->ino, pi, inode, inode->i_count);
/*
* These are special inodes, they were created during
@@ -1313,7 +1313,7 @@
* so they live here with reference counter being 1 and prevent
* umount from succeed since it believes that they are busy.
*/
- count = atomic_read(&inode->i_count);
+ count = inode->i_count;
if (count) {
list_del_init(&inode->i_sb_list);
while (count--)
Index: linux-2.6/fs/9p/vfs_inode.c
===================================================================
--- linux-2.6.orig/fs/9p/vfs_inode.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/9p/vfs_inode.c 2010-10-19 14:19:28.000000000 +1100
@@ -1791,7 +1791,9 @@
/* Caching disabled. No need to get upto date stat info.
* This dentry will be released immediately. So, just i_count++
*/
- atomic_inc(&old_dentry->d_inode->i_count);
+ spin_lock(&old_dentry->d_inode->i_lock);
+ old_dentry->d_inode->i_count++;
+ spin_unlock(&old_dentry->d_inode->i_lock);
}
dentry->d_op = old_dentry->d_op;
Index: linux-2.6/fs/ceph/mds_client.c
===================================================================
--- linux-2.6.orig/fs/ceph/mds_client.c 2010-10-19 14:17:26.000000000 +1100
+++ linux-2.6/fs/ceph/mds_client.c 2010-10-19 14:19:16.000000000 +1100
@@ -1102,7 +1102,7 @@
spin_unlock(&inode->i_lock);
d_prune_aliases(inode);
dout("trim_caps_cb %p cap %p pruned, count now %d\n",
- inode, cap, atomic_read(&inode->i_count));
+ inode, cap, inode->i_count);
return 0;
}
Index: linux-2.6/fs/logfs/dir.c
===================================================================
--- linux-2.6.orig/fs/logfs/dir.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/logfs/dir.c 2010-10-19 14:19:18.000000000 +1100
@@ -569,7 +569,9 @@
return -EMLINK;
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
- atomic_inc(&inode->i_count);
+ spin_lock(&inode->i_lock);
+ inode->i_count++;
+ spin_unlock(&inode->i_lock);
inode->i_nlink++;
mark_inode_dirty_sync(inode);
Index: linux-2.6/fs/logfs/readwrite.c
===================================================================
--- linux-2.6.orig/fs/logfs/readwrite.c 2010-10-19 14:17:25.000000000 +1100
+++ linux-2.6/fs/logfs/readwrite.c 2010-10-19 14:19:16.000000000 +1100
@@ -1002,7 +1002,7 @@
{
struct logfs_inode *li = logfs_inode(inode);
- if ((inode->i_nlink == 0) && atomic_read(&inode->i_count) == 1)
+ if ((inode->i_nlink == 0) && inode->i_count == 1)
return 0;
if (bix < I0_BLOCKS)
--
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