diff options
| -rw-r--r-- | fs/fuse/dir.c | 2 | ||||
| -rw-r--r-- | fs/fuse/file.c | 8 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 8 | ||||
| -rw-r--r-- | fs/fuse/inode.c | 1 |
4 files changed, 15 insertions, 4 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 9e7c5385699f..16ae55d347bb 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -408,7 +408,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, goto out_put_forget_req; err = -ENOMEM; - ff = fuse_file_alloc(); + ff = fuse_file_alloc(fc); if (!ff) goto out_put_request; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index baed06ea7622..a28ced678d38 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -46,7 +46,7 @@ static int fuse_send_open(struct inode *inode, struct file *file, int isdir, return err; } -struct fuse_file *fuse_file_alloc(void) +struct fuse_file *fuse_file_alloc(struct fuse_conn *fc) { struct fuse_file *ff; ff = kmalloc(sizeof(struct fuse_file), GFP_KERNEL); @@ -58,6 +58,9 @@ struct fuse_file *fuse_file_alloc(void) } else { INIT_LIST_HEAD(&ff->write_entry); atomic_set(&ff->count, 0); + spin_lock(&fc->lock); + ff->kh = ++fc->khctr; + spin_unlock(&fc->lock); } } return ff; @@ -108,6 +111,7 @@ void fuse_finish_open(struct inode *inode, struct file *file, int fuse_open_common(struct inode *inode, struct file *file, int isdir) { + struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_open_out outarg; struct fuse_file *ff; int err; @@ -120,7 +124,7 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) if (err) return err; - ff = fuse_file_alloc(); + ff = fuse_file_alloc(fc); if (!ff) return -ENOMEM; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 4fc5131f5c9d..86f013303828 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -100,6 +100,9 @@ struct fuse_file { /** Request reserved for flush and release */ struct fuse_req *reserved_req; + /** Kernel file handle guaranteed to be unique */ + u64 kh; + /** File handle used by userspace */ u64 fh; @@ -322,6 +325,9 @@ struct fuse_conn { /** The list of requests under I/O */ struct list_head io; + /** The next unique kernel file handle */ + u64 khctr; + /** Number of requests currently in the background */ unsigned num_background; @@ -499,7 +505,7 @@ void fuse_read_fill(struct fuse_req *req, struct file *file, */ int fuse_open_common(struct inode *inode, struct file *file, int isdir); -struct fuse_file *fuse_file_alloc(void); +struct fuse_file *fuse_file_alloc(struct fuse_conn *fc); void fuse_file_free(struct fuse_file *ff); void fuse_finish_open(struct inode *inode, struct file *file, struct fuse_file *ff, struct fuse_open_out *outarg); diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index fa474989ec76..0e15bc221d23 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -485,6 +485,7 @@ static struct fuse_conn *new_conn(struct super_block *sb) fc->bdi.unplug_io_fn = default_unplug_io_fn; /* fuse does it's own writeback accounting */ fc->bdi.capabilities = BDI_CAP_NO_ACCT_WB; + fc->khctr = 0; fc->dev = sb->s_dev; err = bdi_init(&fc->bdi); if (err) |