diff options
-rw-r--r-- | fs/cifs/cifsglob.h | 3 | ||||
-rw-r--r-- | fs/cifs/cifsproto.h | 3 | ||||
-rw-r--r-- | fs/cifs/cifssmb.c | 7 | ||||
-rw-r--r-- | fs/cifs/file.c | 31 | ||||
-rw-r--r-- | fs/cifs/smb2pdu.c | 5 | ||||
-rw-r--r-- | fs/cifs/smb2proto.h | 3 |
6 files changed, 33 insertions, 19 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index d6a031e..86dc28c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -323,7 +323,8 @@ struct smb_version_operations { /* async read from the server */ int (*async_readv)(struct cifs_readdata *); /* async write to the server */ - int (*async_writev)(struct cifs_writedata *); + int (*async_writev)(struct cifs_writedata *, + void (*release)(struct kref *)); /* sync read from the server */ int (*sync_read)(const unsigned int, struct cifsFileInfo *, struct cifs_io_parms *, unsigned int *, char **, diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 79e6e9a..d00e09d 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -488,7 +488,8 @@ void cifs_readdata_release(struct kref *refcount); int cifs_async_readv(struct cifs_readdata *rdata); int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid); -int cifs_async_writev(struct cifs_writedata *wdata); +int cifs_async_writev(struct cifs_writedata *wdata, + void (*release)(struct kref *kref)); void cifs_writev_complete(struct work_struct *work); struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, work_func_t complete); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 0cd742c..f3264bd 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1910,7 +1910,7 @@ cifs_writev_requeue(struct cifs_writedata *wdata) do { server = tlink_tcon(wdata->cfile->tlink)->ses->server; - rc = server->ops->async_writev(wdata); + rc = server->ops->async_writev(wdata, cifs_writedata_release); } while (rc == -EAGAIN); for (i = 0; i < wdata->nr_pages; i++) { @@ -2025,7 +2025,8 @@ cifs_writev_callback(struct mid_q_entry *mid) /* cifs_async_writev - send an async write, and set up mid to handle result */ int -cifs_async_writev(struct cifs_writedata *wdata) +cifs_async_writev(struct cifs_writedata *wdata, + void (*release)(struct kref *kref)) { int rc = -EACCES; WRITE_REQ *smb = NULL; @@ -2099,7 +2100,7 @@ cifs_async_writev(struct cifs_writedata *wdata) if (rc == 0) cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); else - kref_put(&wdata->refcount, cifs_writedata_release); + kref_put(&wdata->refcount, release); async_writev_out: cifs_small_buf_release(smb); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 853d6d1..a301edb 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2043,7 +2043,8 @@ retry: } wdata->pid = wdata->cfile->pid; server = tlink_tcon(wdata->cfile->tlink)->ses->server; - rc = server->ops->async_writev(wdata); + rc = server->ops->async_writev(wdata, + cifs_writedata_release); } while (wbc->sync_mode == WB_SYNC_ALL && rc == -EAGAIN); for (i = 0; i < nr_pages; ++i) @@ -2331,9 +2332,20 @@ size_t get_numpages(const size_t wsize, const size_t len, size_t *cur_len) } static void -cifs_uncached_writev_complete(struct work_struct *work) +cifs_uncached_writedata_release(struct kref *refcount) { int i; + struct cifs_writedata *wdata = container_of(refcount, + struct cifs_writedata, refcount); + + for (i = 0; i < wdata->nr_pages; i++) + put_page(wdata->pages[i]); + cifs_writedata_release(refcount); +} + +static void +cifs_uncached_writev_complete(struct work_struct *work) +{ struct cifs_writedata *wdata = container_of(work, struct cifs_writedata, work); struct inode *inode = wdata->cfile->dentry->d_inode; @@ -2347,12 +2359,7 @@ cifs_uncached_writev_complete(struct work_struct *work) complete(&wdata->done); - if (wdata->result != -EAGAIN) { - for (i = 0; i < wdata->nr_pages; i++) - put_page(wdata->pages[i]); - } - - kref_put(&wdata->refcount, cifs_writedata_release); + kref_put(&wdata->refcount, cifs_uncached_writedata_release); } /* attempt to send write to server, retry on any -EAGAIN errors */ @@ -2370,7 +2377,8 @@ cifs_uncached_retry_writev(struct cifs_writedata *wdata) if (rc != 0) continue; } - rc = server->ops->async_writev(wdata); + rc = server->ops->async_writev(wdata, + cifs_uncached_writedata_release); } while (rc == -EAGAIN); return rc; @@ -2454,7 +2462,8 @@ cifs_iovec_write(struct file *file, const struct iovec *iov, wdata->tailsz = cur_len - ((nr_pages - 1) * PAGE_SIZE); rc = cifs_uncached_retry_writev(wdata); if (rc) { - kref_put(&wdata->refcount, cifs_writedata_release); + kref_put(&wdata->refcount, + cifs_uncached_writedata_release); break; } @@ -2496,7 +2505,7 @@ restart_loop: } } list_del_init(&wdata->list); - kref_put(&wdata->refcount, cifs_writedata_release); + kref_put(&wdata->refcount, cifs_uncached_writedata_release); } if (total_written > 0) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 2013234..a3f7a9c 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1890,7 +1890,8 @@ smb2_writev_callback(struct mid_q_entry *mid) /* smb2_async_writev - send an async write, and set up mid to handle result */ int -smb2_async_writev(struct cifs_writedata *wdata) +smb2_async_writev(struct cifs_writedata *wdata, + void (*release)(struct kref *kref)) { int rc = -EACCES; struct smb2_write_req *req = NULL; @@ -1938,7 +1939,7 @@ smb2_async_writev(struct cifs_writedata *wdata) smb2_writev_callback, wdata, 0); if (rc) { - kref_put(&wdata->refcount, cifs_writedata_release); + kref_put(&wdata->refcount, release); cifs_stats_fail_inc(tcon, SMB2_WRITE_HE); } diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 93adc64..0ce48db 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -123,7 +123,8 @@ extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, extern int smb2_async_readv(struct cifs_readdata *rdata); extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, char **buf, int *buf_type); -extern int smb2_async_writev(struct cifs_writedata *wdata); +extern int smb2_async_writev(struct cifs_writedata *wdata, + void (*release)(struct kref *kref)); extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, struct kvec *iov, int n_vec); extern int SMB2_echo(struct TCP_Server_Info *server); |