diff options
Diffstat (limited to 'kernel/inode.c')
| -rw-r--r-- | kernel/inode.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/kernel/inode.c b/kernel/inode.c index 949b456..2d4749e 100644 --- a/kernel/inode.c +++ b/kernel/inode.c @@ -106,8 +106,11 @@ static void fuse_clear_inode(struct inode *inode) if (inode->i_sb->s_flags & MS_ACTIVE) { struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_inode *fi = get_fuse_inode(inode); - fuse_send_forget(fc, fi->forget_req, fi->nodeid, fi->nlookup); - fi->forget_req = NULL; + if (fi->nlookup) { + fuse_send_forget(fc, fi->forget_req, fi->nodeid, + fi->nlookup); + fi->forget_req = NULL; + } } } @@ -182,7 +185,6 @@ struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid, struct inode *inode; struct fuse_inode *fi; struct fuse_conn *fc = get_fuse_conn_super(sb); - int retried = 0; retry: inode = iget5_locked(sb, nodeid, fuse_inode_eq, fuse_inode_set, &nodeid); @@ -196,16 +198,16 @@ struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid, fuse_init_inode(inode, attr); unlock_new_inode(inode); } else if ((inode->i_mode ^ attr->mode) & S_IFMT) { - BUG_ON(retried); /* Inode has changed type, any I/O on the old should fail */ make_bad_inode(inode); iput(inode); - retried = 1; goto retry; } fi = get_fuse_inode(inode); + spin_lock(&fc->lock); fi->nlookup ++; + spin_unlock(&fc->lock); fuse_change_attributes(inode, attr); return inode; } @@ -414,6 +416,7 @@ static struct fuse_conn *new_conn(void) fc = kzalloc(sizeof(*fc), GFP_KERNEL); if (fc) { spin_lock_init(&fc->lock); + mutex_init(&fc->inst_mutex); atomic_set(&fc->count, 1); init_waitqueue_head(&fc->waitq); init_waitqueue_head(&fc->blocked_waitq); @@ -433,8 +436,10 @@ static struct fuse_conn *new_conn(void) void fuse_conn_put(struct fuse_conn *fc) { - if (atomic_dec_and_test(&fc->count)) + if (atomic_dec_and_test(&fc->count)) { + mutex_destroy(&fc->inst_mutex); kfree(fc); + } } struct fuse_conn *fuse_conn_get(struct fuse_conn *fc) |