diff options
| -rw-r--r-- | fs/cifs/cifsglob.h | 4 | ||||
| -rw-r--r-- | fs/cifs/cifsproto.h | 3 | ||||
| -rw-r--r-- | fs/cifs/cifssmb.c | 6 | ||||
| -rw-r--r-- | fs/cifs/file.c | 36 | ||||
| -rw-r--r-- | fs/cifs/smb1ops.c | 11 |
5 files changed, 38 insertions, 22 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 5b1751d81901..48c7c83a7a99 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -291,6 +291,10 @@ struct smb_version_operations { int (*sync_read)(const unsigned int, struct cifsFileInfo *, struct cifs_io_parms *, unsigned int *, char **, int *); + /* sync write to the server */ + int (*sync_write)(const unsigned int, struct cifsFileInfo *, + struct cifs_io_parms *, unsigned int *, struct kvec *, + unsigned long); }; struct smb_version_values { diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 8b320c7b582c..f20d0c8ee7ce 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -369,8 +369,7 @@ extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, const char *buf, const char __user *ubuf, const int long_op); extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, - unsigned int *nbytes, struct kvec *iov, const int nvec, - const int long_op); + unsigned int *nbytes, struct kvec *iov, const int nvec); extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, const char *search_name, __u64 *inode_number, const struct nls_table *nls_codepage, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index f27b13ea08b8..733119dad493 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2123,8 +2123,7 @@ async_writev_out: int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, - unsigned int *nbytes, struct kvec *iov, int n_vec, - const int long_op) + unsigned int *nbytes, struct kvec *iov, int n_vec) { int rc = -EACCES; WRITE_REQ *pSMB = NULL; @@ -2195,8 +2194,7 @@ CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, iov[0].iov_len = smb_hdr_len + 8; - rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type, - long_op); + rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type, 0); cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); if (rc) { cFYI(1, "Send error Write2 = %d", rc); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index fae03c52f314..39fff77e38d4 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1477,15 +1477,16 @@ cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, cifsi->server_eof = end_of_write; } -static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, - const char *write_data, size_t write_size, - loff_t *poffset) +static ssize_t +cifs_write(struct cifsFileInfo *open_file, __u32 pid, const char *write_data, + size_t write_size, loff_t *offset) { int rc = 0; unsigned int bytes_written = 0; unsigned int total_written; struct cifs_sb_info *cifs_sb; - struct cifs_tcon *pTcon; + struct cifs_tcon *tcon; + struct TCP_Server_Info *server; unsigned int xid; struct dentry *dentry = open_file->dentry; struct cifsInodeInfo *cifsi = CIFS_I(dentry->d_inode); @@ -1494,9 +1495,13 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, cifs_sb = CIFS_SB(dentry->d_sb); cFYI(1, "write %zd bytes to offset %lld of %s", write_size, - *poffset, dentry->d_name.name); + *offset, dentry->d_name.name); + + tcon = tlink_tcon(open_file->tlink); + server = tcon->ses->server; - pTcon = tlink_tcon(open_file->tlink); + if (!server->ops->sync_write) + return -ENOSYS; xid = get_xid(); @@ -1522,13 +1527,12 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, /* iov[0] is reserved for smb header */ iov[1].iov_base = (char *)write_data + total_written; iov[1].iov_len = len; - io_parms.netfid = open_file->fid.netfid; io_parms.pid = pid; - io_parms.tcon = pTcon; - io_parms.offset = *poffset; + io_parms.tcon = tcon; + io_parms.offset = *offset; io_parms.length = len; - rc = CIFSSMBWrite2(xid, &io_parms, &bytes_written, iov, - 1, 0); + rc = server->ops->sync_write(xid, open_file, &io_parms, + &bytes_written, iov, 1); } if (rc || (bytes_written == 0)) { if (total_written) @@ -1539,18 +1543,18 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid, } } else { spin_lock(&dentry->d_inode->i_lock); - cifs_update_eof(cifsi, *poffset, bytes_written); + cifs_update_eof(cifsi, *offset, bytes_written); spin_unlock(&dentry->d_inode->i_lock); - *poffset += bytes_written; + *offset += bytes_written; } } - cifs_stats_bytes_written(pTcon, total_written); + cifs_stats_bytes_written(tcon, total_written); if (total_written > 0) { spin_lock(&dentry->d_inode->i_lock); - if (*poffset > dentry->d_inode->i_size) - i_size_write(dentry->d_inode, *poffset); + if (*offset > dentry->d_inode->i_size) + i_size_write(dentry->d_inode, *offset); spin_unlock(&dentry->d_inode->i_lock); } mark_inode_dirty_sync(dentry->d_inode); diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index cea958ee8b7a..aa55c2fbf793 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -748,6 +748,16 @@ cifs_sync_read(const unsigned int xid, struct cifsFileInfo *cfile, return CIFSSMBRead(xid, parms, bytes_read, buf, buf_type); } +static int +cifs_sync_write(const unsigned int xid, struct cifsFileInfo *cfile, + struct cifs_io_parms *parms, unsigned int *written, + struct kvec *iov, unsigned long nr_segs) +{ + + parms->netfid = cfile->fid.netfid; + return CIFSSMBWrite2(xid, parms, written, iov, nr_segs); +} + struct smb_version_operations smb1_operations = { .send_cancel = send_nt_cancel, .compare_fids = cifs_compare_fids, @@ -797,6 +807,7 @@ struct smb_version_operations smb1_operations = { .async_readv = cifs_async_readv, .async_writev = cifs_async_writev, .sync_read = cifs_sync_read, + .sync_write = cifs_sync_write, }; struct smb_version_values smb1_values = { |