ext4: fix race between writepages and enabling EXT4_EXTENTS_FL

[linux.git] / fs / io-wq.h

diff --git a/fs/io-wq.h b/fs/io-wq.h
index 50b3378febf2f3bb01d9b9cf0a8f582d0a72a50e..ccc7d84af57de1a79206181139f8471b086fc5bc 100644 (file)
--- a/fs/io-wq.h
+++ b/fs/io-wq.h
@@ -74,17 +74,20 @@ struct io_wq_work {
        struct files_struct *files;
        struct mm_struct *mm;
        const struct cred *creds;
+       struct fs_struct *fs;
        unsigned flags;
+       pid_t task_pid;
 };
 
 #define INIT_IO_WORK(work, _func)                      \
        do {                                            \
                (work)->list.next = NULL;               \
                (work)->func = _func;                   \
-               (work)->flags = 0;                      \
                (work)->files = NULL;                   \
                (work)->mm = NULL;                      \
                (work)->creds = NULL;                   \
+               (work)->fs = NULL;                      \
+               (work)->flags = 0;                      \
        } while (0)                                     \
 
 typedef void (get_work_fn)(struct io_wq_work *);
@@ -107,6 +110,7 @@ void io_wq_flush(struct io_wq *wq);
 
 void io_wq_cancel_all(struct io_wq *wq);
 enum io_wq_cancel io_wq_cancel_work(struct io_wq *wq, struct io_wq_work *cwork);
+enum io_wq_cancel io_wq_cancel_pid(struct io_wq *wq, pid_t pid);
 
 typedef bool (work_cancel_fn)(struct io_wq_work *, void *);