diff options
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f4e92661b223..4a2af78083fb 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -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 - |