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| author | Steve French <smfrench@austin.rr.com> | 2005-04-28 22:41:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-28 22:41:07 -0700 |
| commit | b8643e1b5253a6a51da5574a55a2f9148e255cfd (patch) | |
| tree | 7be4a4dc45e83e793f729a69d94b9970d08a2092 /fs/cifs/cifs_debug.c | |
| parent | c81156dd217818c143a09b6a744e797a04571e99 (diff) | |
| download | lwn-b8643e1b5253a6a51da5574a55a2f9148e255cfd.tar.gz lwn-b8643e1b5253a6a51da5574a55a2f9148e255cfd.zip | |
[PATCH] cifs: Do not use large smb buffers in response path
unless response is larger than 256 bytes. This cuts more than 1/3 of
the large memory allocations that cifs does and should be a huge help to
memory pressure under stress.
Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/cifs/cifs_debug.c')
| -rw-r--r-- | fs/cifs/cifs_debug.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index efa099165b22..bff2ec6e054a 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -1,7 +1,7 @@ /* * fs/cifs_debug.c * - * Copyright (C) International Business Machines Corp., 2000,2003 + * Copyright (C) International Business Machines Corp., 2000,2005 * * Modified by Steve French (sfrench@us.ibm.com) * @@ -92,8 +92,10 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset, length = sprintf(buf, "\n%d) Name: %s Domain: %s Mounts: %d ServerOS: %s \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\t", - i, ses->serverName, ses->serverDomain, atomic_read(&ses->inUse), - ses->serverOS, ses->serverNOS, ses->capabilities,ses->status); + i, ses->serverName, ses->serverDomain, + atomic_read(&ses->inUse), + ses->serverOS, ses->serverNOS, + ses->capabilities,ses->status); buf += length; if(ses->server) { buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d", @@ -207,7 +209,8 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset, buf += item_length; item_length = sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n", - bufAllocCount.counter,cifs_min_rcv + tcpSesAllocCount.counter); + bufAllocCount.counter, + cifs_min_rcv + tcpSesAllocCount.counter); length += item_length; buf += item_length; item_length = |