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Fri, 10 Dec 2010 07:44:54 -0800 (PST) From: Jeff Layton To: smfrench@gmail.com Cc: linux-cifs@vger.kernel.org Subject: [PATCH 13/13] cifs: remove code for setting timeouts on requests Date: Fri, 10 Dec 2010 10:44:37 -0500 Message-Id: <1291995877-2276-14-git-send-email-jlayton@redhat.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <1291995877-2276-1-git-send-email-jlayton@redhat.com> References: <1291995877-2276-1-git-send-email-jlayton@redhat.com> Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 10 Dec 2010 15:45:12 +0000 (UTC) diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index d924f3c..1e290fa 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -631,12 +631,9 @@ static inline void free_dfs_info_array(struct dfs_info3_param *param, #define CIFS_IOVEC 4 /* array of response buffers */ /* Type of Request to SendReceive2 */ -#define CIFS_STD_OP 0 /* normal request timeout */ -#define CIFS_LONG_OP 1 /* long op (up to 45 sec, oplock time) */ -#define CIFS_VLONG_OP 2 /* sloow op - can take up to 180 seconds */ -#define CIFS_BLOCKING_OP 4 /* operation can block */ -#define CIFS_ASYNC_OP 8 /* do not wait for response */ -#define CIFS_TIMEOUT_MASK 0x00F /* only one of 5 above set in req */ +#define CIFS_BLOCKING_OP 1 /* operation can block */ +#define CIFS_ASYNC_OP 2 /* do not wait for response */ +#define CIFS_TIMEOUT_MASK 0x003 /* only one of above set in req */ #define CIFS_LOG_ERROR 0x010 /* log NT STATUS if non-zero */ #define CIFS_LARGE_BUF_OP 0x020 /* large request buffer */ #define CIFS_NO_RESP 0x040 /* no response buffer required */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index fc8145f..606deba 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1240,7 +1240,7 @@ OldOpenRetry: pSMB->ByteCount = cpu_to_le16(count); /* long_op set to 1 to allow for oplock break timeouts */ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, - (struct smb_hdr *)pSMBr, &bytes_returned, CIFS_LONG_OP); + (struct smb_hdr *)pSMBr, &bytes_returned, 0); cifs_stats_inc(&tcon->num_opens); if (rc) { cFYI(1, "Error in Open = %d", rc); @@ -1353,7 +1353,7 @@ openRetry: pSMB->ByteCount = cpu_to_le16(count); /* long_op set to 1 to allow for oplock break timeouts */ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, - (struct smb_hdr *)pSMBr, &bytes_returned, CIFS_LONG_OP); + (struct smb_hdr *)pSMBr, &bytes_returned, 0); cifs_stats_inc(&tcon->num_opens); if (rc) { cFYI(1, "Error in Open = %d", rc); @@ -1435,7 +1435,7 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid, iov[0].iov_base = (char *)pSMB; iov[0].iov_len = pSMB->hdr.smb_buf_length + 4; rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */, - &resp_buf_type, CIFS_STD_OP | CIFS_LOG_ERROR); + &resp_buf_type, CIFS_LOG_ERROR); cifs_stats_inc(&tcon->num_reads); pSMBr = (READ_RSP *)iov[0].iov_base; if (rc) { @@ -3030,7 +3030,7 @@ CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid, iov[0].iov_len = pSMB->hdr.smb_buf_length + 4; rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type, - CIFS_STD_OP); + 0); cifs_stats_inc(&tcon->num_acl_get); if (rc) { cFYI(1, "Send error in QuerySecDesc = %d", rc); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index c596515..b8fb112 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3134,7 +3134,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, pSMB->ByteCount = cpu_to_le16(count); rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response, &length, - CIFS_STD_OP); + 0); /* above now done in SendReceive */ if ((rc == 0) && (tcon != NULL)) { diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 8e57370..5c7b4f0 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -892,29 +892,6 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock) return rc; } -/* - * Set the timeout on write requests past EOF. For some servers (Windows) - * these calls can be very long. - * - * If we're writing >10M past the EOF we give a 180s timeout. Anything less - * than that gets a 45s timeout. Writes not past EOF get 15s timeouts. - * The 10M cutoff is totally arbitrary. A better scheme for this would be - * welcome if someone wants to suggest one. - * - * We may be able to do a better job with this if there were some way to - * declare that a file should be sparse. - */ -static int -cifs_write_timeout(struct cifsInodeInfo *cifsi, loff_t offset) -{ - if (offset <= cifsi->server_eof) - return CIFS_STD_OP; - else if (offset > (cifsi->server_eof + (10 * 1024 * 1024))) - return CIFS_VLONG_OP; - else - return CIFS_LONG_OP; -} - /* update the file size (if needed) after a write */ static void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, @@ -935,7 +912,7 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, unsigned int total_written; struct cifs_sb_info *cifs_sb; struct cifsTconInfo *pTcon; - int xid, long_op; + int xid; struct cifsFileInfo *open_file; struct cifsInodeInfo *cifsi = CIFS_I(inode); @@ -956,7 +933,6 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, xid = GetXid(); - long_op = cifs_write_timeout(cifsi, *poffset); for (total_written = 0; write_size > total_written; total_written += bytes_written) { rc = -EAGAIN; @@ -984,7 +960,7 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, min_t(const int, cifs_sb->wsize, write_size - total_written), *poffset, &bytes_written, - NULL, write_data + total_written, long_op); + NULL, write_data + total_written, 0); } if (rc || (bytes_written == 0)) { if (total_written) @@ -997,8 +973,6 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data, cifs_update_eof(cifsi, *poffset, bytes_written); *poffset += bytes_written; } - long_op = CIFS_STD_OP; /* subsequent writes fast - - 15 seconds is plenty */ } cifs_stats_bytes_written(pTcon, total_written); @@ -1027,7 +1001,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, unsigned int total_written; struct cifs_sb_info *cifs_sb; struct cifsTconInfo *pTcon; - int xid, long_op; + int xid; struct dentry *dentry = open_file->dentry; struct cifsInodeInfo *cifsi = CIFS_I(dentry->d_inode); @@ -1040,7 +1014,6 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, xid = GetXid(); - long_op = cifs_write_timeout(cifsi, *poffset); for (total_written = 0; write_size > total_written; total_written += bytes_written) { rc = -EAGAIN; @@ -1070,7 +1043,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, rc = CIFSSMBWrite2(xid, pTcon, open_file->netfid, len, *poffset, &bytes_written, - iov, 1, long_op); + iov, 1, 0); } else rc = CIFSSMBWrite(xid, pTcon, open_file->netfid, @@ -1078,7 +1051,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, write_size - total_written), *poffset, &bytes_written, write_data + total_written, - NULL, long_op); + NULL, 0); } if (rc || (bytes_written == 0)) { if (total_written) @@ -1091,8 +1064,6 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, cifs_update_eof(cifsi, *poffset, bytes_written); *poffset += bytes_written; } - long_op = CIFS_STD_OP; /* subsequent writes fast - - 15 seconds is plenty */ } cifs_stats_bytes_written(pTcon, total_written); @@ -1292,7 +1263,7 @@ static int cifs_writepages(struct address_space *mapping, struct pagevec pvec; int rc = 0; int scanned = 0; - int xid, long_op; + int xid; cifs_sb = CIFS_SB(mapping->host->i_sb); @@ -1437,11 +1408,10 @@ retry_write: cERROR(1, "No writable handles for inode"); rc = -EBADF; } else { - long_op = cifs_write_timeout(cifsi, offset); rc = CIFSSMBWrite2(xid, tcon, open_file->netfid, bytes_to_write, offset, &bytes_written, iov, n_iov, - long_op); + 0); cifsFileInfo_put(open_file); cifs_update_eof(cifsi, offset, bytes_written); } diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 2997533..50b74a5 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -881,7 +881,7 @@ ssetup_ntlmssp_authenticate: BCC_LE(smb_buf) = cpu_to_le16(count); rc = SendReceive2(xid, ses, iov, 3 /* num_iovecs */, &resp_buf_type, - CIFS_STD_OP /* not long */ | CIFS_LOG_ERROR); + CIFS_LOG_ERROR); /* SMB request buf freed in SendReceive2 */ pSMB = (SESSION_SETUP_ANDX *)iov[0].iov_base; diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 2a0b14d..70873ab 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -791,7 +791,7 @@ send_lock_cancel(const unsigned int xid, struct cifsTconInfo *tcon, pSMB->hdr.Mid = GetNextMid(ses->server); return SendReceive(xid, ses, in_buf, out_buf, - &bytes_returned, CIFS_STD_OP); + &bytes_returned, 0); } int