diff options
author | Steve French <sfrench@us.ibm.com> | 2006-02-26 17:41:18 +0100 |
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committer | Steve French <sfrench@us.ibm.com> | 2006-02-26 17:41:18 +0100 |
commit | 4b8f930ff83aaed39fd5f935aeacc25f2549a51e (patch) | |
tree | 364547184a71367a12bb5eee44569d305c8efdd6 /fs/cifs/transport.c | |
parent | [CIFS] Fix large (ie over 64K for MaxCIFSBufSize) buffer case for wrapping (diff) | |
download | linux-4b8f930ff83aaed39fd5f935aeacc25f2549a51e.tar.xz linux-4b8f930ff83aaed39fd5f935aeacc25f2549a51e.zip |
[CIFS] Free small buffers earlier so we exceed the cifs
small req buffer pool less often.
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/transport.c')
-rw-r--r-- | fs/cifs/transport.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index b12cb8a7da7c..3da80409466c 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -309,17 +309,16 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, *pRespBufType = CIFS_NO_BUFFER; /* no response buf yet */ - if (ses == NULL) { - cERROR(1,("Null smb session")); - return -EIO; - } - if(ses->server == NULL) { - cERROR(1,("Null tcp session")); + if ((ses == NULL) || (ses->server == NULL)) { + cifs_small_buf_release(in_buf); + cERROR(1,("Null session")); return -EIO; } - if(ses->server->tcpStatus == CifsExiting) + if(ses->server->tcpStatus == CifsExiting) { + cifs_small_buf_release(in_buf); return -ENOENT; + } /* Ensure that we do not send more than 50 overlapping requests to the same server. We may make this configurable later or @@ -346,6 +345,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, } else { if(ses->server->tcpStatus == CifsExiting) { spin_unlock(&GlobalMid_Lock); + cifs_small_buf_release(in_buf); return -ENOENT; } @@ -385,6 +385,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, midQ = AllocMidQEntry(in_buf, ses); if (midQ == NULL) { up(&ses->server->tcpSem); + cifs_small_buf_release(in_buf); /* If not lock req, update # of requests on wire to server */ if(long_op < 3) { atomic_dec(&ses->server->inFlight); @@ -408,14 +409,18 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses, if(rc < 0) { DeleteMidQEntry(midQ); up(&ses->server->tcpSem); + cifs_small_buf_release(in_buf); /* If not lock req, update # of requests on wire to server */ if(long_op < 3) { atomic_dec(&ses->server->inFlight); wake_up(&ses->server->request_q); } return rc; - } else + } else { up(&ses->server->tcpSem); + cifs_small_buf_release(in_buf); + } + if (long_op == -1) goto cifs_no_response_exit2; else if (long_op == 2) /* writes past end of file can take loong time */ @@ -543,6 +548,7 @@ cifs_no_response_exit2: out_unlock2: up(&ses->server->tcpSem); + cifs_small_buf_release(in_buf); /* If not lock req, update # of requests on wire to server */ if(long_op < 3) { atomic_dec(&ses->server->inFlight); |