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[CIFS] Add in some missing flags and cifs README and TODO corrections

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Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French
2007-06-24 18:30:48 +00:00
parent 75154f402e
commit 75865f8cc8
6 changed files with 80 additions and 29 deletions
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53
fs/cifs/connect.c
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@@ -1,7 +1,7 @@
/*
* fs/cifs/connect.c
*
* Copyright (C) International Business Machines Corp., 2002,2006
* Copyright (C) International Business Machines Corp., 2002,2007
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
@@ -1650,19 +1650,19 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon,
}
cap &= CIFS_UNIX_CAP_MASK;
if(vol_info && vol_info->no_psx_acl)
if (vol_info && vol_info->no_psx_acl)
cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
else if(CIFS_UNIX_POSIX_ACL_CAP & cap) {
else if (CIFS_UNIX_POSIX_ACL_CAP & cap) {
cFYI(1,("negotiated posix acl support"));
if(sb)
sb->s_flags |= MS_POSIXACL;
}
if(vol_info && vol_info->posix_paths == 0)
if (vol_info && vol_info->posix_paths == 0)
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
else if(cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
cFYI(1,("negotiate posix pathnames"));
if(sb)
if (sb)
CIFS_SB(sb)->mnt_cifs_flags |=
CIFS_MOUNT_POSIX_PATHS;
}
@@ -1670,21 +1670,35 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo * tcon,
/* We might be setting the path sep back to a different
form if we are reconnecting and the server switched its
posix path capability for this share */
if(sb && (CIFS_SB(sb)->prepathlen > 0))
if (sb && (CIFS_SB(sb)->prepathlen > 0))
CIFS_SB(sb)->prepath[0] = CIFS_DIR_SEP(CIFS_SB(sb));
if (sb && (CIFS_SB(sb)->rsize > 127 * 1024)) {
if ((cap & CIFS_UNIX_LARGE_READ_CAP) == 0) {
CIFS_SB(sb)->rsize = 127 * 1024;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1,("larger reads not supported by srv"));
#endif
}
}
cFYI(1,("Negotiate caps 0x%x",(int)cap));
#ifdef CONFIG_CIFS_DEBUG2
if(cap & CIFS_UNIX_FCNTL_CAP)
if (cap & CIFS_UNIX_FCNTL_CAP)
cFYI(1,("FCNTL cap"));
if(cap & CIFS_UNIX_EXTATTR_CAP)
if (cap & CIFS_UNIX_EXTATTR_CAP)
cFYI(1,("EXTATTR cap"));
if(cap & CIFS_UNIX_POSIX_PATHNAMES_CAP)
if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP)
cFYI(1,("POSIX path cap"));
if(cap & CIFS_UNIX_XATTR_CAP)
if (cap & CIFS_UNIX_XATTR_CAP)
cFYI(1,("XATTR cap"));
if(cap & CIFS_UNIX_POSIX_ACL_CAP)
if (cap & CIFS_UNIX_POSIX_ACL_CAP)
cFYI(1,("POSIX ACL cap"));
if (cap & CIFS_UNIX_LARGE_READ_CAP)
cFYI(1,("very large read cap"));
if (cap & CIFS_UNIX_LARGE_WRITE_CAP)
cFYI(1,("very large write cap"));
#endif /* CIFS_DEBUG2 */
if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {
cFYI(1,("setting capabilities failed"));
@@ -1935,13 +1949,14 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cERROR(1,("rsize %d too large, using MaxBufSize",
volume_info.rsize));
cifs_sb->rsize = CIFSMaxBufSize;
} else if((volume_info.rsize) && (volume_info.rsize <= CIFSMaxBufSize))
} else if ((volume_info.rsize) &&
(volume_info.rsize <= CIFSMaxBufSize))
cifs_sb->rsize = volume_info.rsize;
else /* default */
cifs_sb->rsize = CIFSMaxBufSize;
if (volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
cERROR(1,("wsize %d too large using 4096 instead",
cERROR(1,("wsize %d too large, using 4096 instead",
volume_info.wsize));
cifs_sb->wsize = 4096;
} else if (volume_info.wsize)
@@ -1960,7 +1975,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
if (cifs_sb->rsize < 2048) {
cifs_sb->rsize = 2048;
/* Windows ME may prefer this */
cFYI(1,("readsize set to minimum 2048"));
cFYI(1,("readsize set to minimum: 2048"));
}
/* calculate prepath */
cifs_sb->prepath = volume_info.prepath;
@@ -2116,7 +2131,13 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* tell server which Unix caps we support */
if (tcon->ses->capabilities & CAP_UNIX)
reset_cifs_unix_caps(xid, tcon, sb, &volume_info);
else if(cifs_sb->rsize > (1024 * 127)) {
cifs_sb->rsize = 1024 * 127;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1,("no very large read support, rsize 127K"));
#endif
}
if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
cifs_sb->wsize = min(cifs_sb->wsize,
(tcon->ses->server->maxBuf -