diff options
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/v9fs.c | 6 | ||||
| -rw-r--r-- | fs/9p/v9fs.h | 12 | ||||
| -rw-r--r-- | fs/9p/vfs_inode.c | 26 |
3 files changed, 27 insertions, 17 deletions
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 08d880f..8ac2467 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -128,7 +128,7 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses) /* setup defaults */ v9ses->maxdata = 8192; - v9ses->extended = 1; + v9ses->flags = V9FS_EXTENDED; v9ses->afid = ~0; v9ses->debug = 0; v9ses->cache = 0; @@ -178,7 +178,7 @@ static void v9fs_parse_options(struct v9fs_session_info *v9ses) match_strcpy(v9ses->remotename, &args[0]); break; case Opt_legacy: - v9ses->extended = 0; + v9ses->flags &= ~V9FS_EXTENDED; break; case Opt_nodevmap: v9ses->nodev = 1; @@ -244,7 +244,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses, v9ses->maxdata = v9ses->trans->maxsize-P9_IOHDRSZ; v9ses->clnt = p9_client_create(trans, v9ses->maxdata+P9_IOHDRSZ, - v9ses->extended); + v9fs_extended(v9ses)); if (IS_ERR(v9ses->clnt)) { retval = PTR_ERR(v9ses->clnt); diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index 7eb135c..804b3ef 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -29,7 +29,7 @@ struct v9fs_session_info { /* options */ unsigned int maxdata; - unsigned char extended; /* set to 1 if we are using UNIX extensions */ + unsigned char flags; /* session flags */ unsigned char nodev; /* set to 1 if no disable device mapping */ unsigned short debug; /* debug level */ unsigned int afid; /* authentication fid */ @@ -45,6 +45,11 @@ struct v9fs_session_info { struct dentry *debugfs_dir; }; +/* session flags */ +enum { + V9FS_EXTENDED, +}; + /* possible values of ->cache */ /* eventually support loose, tight, time, session, default always none */ enum { @@ -70,3 +75,8 @@ static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode) { return (inode->i_sb->s_fs_info); } + +static inline int v9fs_extended(struct v9fs_session_info *v9ses) +{ + return v9ses->flags & V9FS_EXTENDED; +} diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index e5c45ee..2270d06 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -59,7 +59,7 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode) res = mode & 0777; if (S_ISDIR(mode)) res |= P9_DMDIR; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { if (S_ISLNK(mode)) res |= P9_DMSYMLINK; if (v9ses->nodev == 0) { @@ -99,21 +99,21 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode) if ((mode & P9_DMDIR) == P9_DMDIR) res |= S_IFDIR; - else if ((mode & P9_DMSYMLINK) && (v9ses->extended)) + else if ((mode & P9_DMSYMLINK) && (v9fs_extended(v9ses))) res |= S_IFLNK; - else if ((mode & P9_DMSOCKET) && (v9ses->extended) + else if ((mode & P9_DMSOCKET) && (v9fs_extended(v9ses)) && (v9ses->nodev == 0)) res |= S_IFSOCK; - else if ((mode & P9_DMNAMEDPIPE) && (v9ses->extended) + else if ((mode & P9_DMNAMEDPIPE) && (v9fs_extended(v9ses)) && (v9ses->nodev == 0)) res |= S_IFIFO; - else if ((mode & P9_DMDEVICE) && (v9ses->extended) + else if ((mode & P9_DMDEVICE) && (v9fs_extended(v9ses)) && (v9ses->nodev == 0)) res |= S_IFBLK; else res |= S_IFREG; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { if ((mode & P9_DMSETUID) == P9_DMSETUID) res |= S_ISUID; @@ -214,7 +214,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode) case S_IFBLK: case S_IFCHR: case S_IFSOCK: - if(!v9ses->extended) { + if (!v9fs_extended(v9ses)) { P9_DPRINTK(P9_DEBUG_ERROR, "special files without extended mode\n"); return ERR_PTR(-EINVAL); @@ -227,7 +227,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode) inode->i_fop = &v9fs_file_operations; break; case S_IFLNK: - if(!v9ses->extended) { + if (!v9fs_extended(v9ses)) { P9_DPRINTK(P9_DEBUG_ERROR, "extended modes used w/o 9P2000.u\n"); return ERR_PTR(-EINVAL); @@ -236,7 +236,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode) break; case S_IFDIR: inc_nlink(inode); - if(v9ses->extended) + if (v9fs_extended(v9ses)) inode->i_op = &v9fs_dir_inode_operations_ext; else inode->i_op = &v9fs_dir_inode_operations; @@ -768,7 +768,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) if (iattr->ia_valid & ATTR_SIZE) wstat.length = iattr->ia_size; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { if (iattr->ia_valid & ATTR_UID) wstat.n_uid = iattr->ia_uid; @@ -808,7 +808,7 @@ v9fs_stat2inode(struct p9_stat *stat, struct inode *inode, inode->i_uid = v9ses->uid; inode->i_gid = v9ses->gid; - if (v9ses->extended) { + if (v9fs_extended(v9ses)) { inode->i_uid = stat->n_uid; inode->i_gid = stat->n_gid; } @@ -890,7 +890,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen) if(IS_ERR(fid)) return PTR_ERR(fid); - if (!v9ses->extended) + if (!v9fs_extended(v9ses)) return -EBADF; st = p9_client_stat(fid); @@ -1011,7 +1011,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry, struct p9_fid *fid; v9ses = v9fs_inode2v9ses(dir); - if (!v9ses->extended) { + if (!v9fs_extended(v9ses)) { P9_DPRINTK(P9_DEBUG_ERROR, "not extended\n"); return -EPERM; } |