NFS: Fix the type of struct nfs_fattr->mode
There is no point in using anything other than umode_t, since we copy the
content pretty much directly into inode->i_mode.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index b7c9b2d..46177cb 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -156,7 +156,7 @@
return ret;
}
- if (fattr.type != NFDIR) {
+ if (!S_ISDIR(fattr.mode)) {
printk(KERN_ERR "nfs4_get_root:"
" getroot encountered non-directory\n");
return -ENOTDIR;
@@ -213,7 +213,7 @@
return ret;
}
- if (fattr.type != NFDIR) {
+ if (!S_ISDIR(fattr.mode)) {
printk(KERN_ERR "nfs4_get_root:"
" lookupfh encountered non-directory\n");
return -ENOTDIR;
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index bea9999..c862c93 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -120,8 +120,8 @@
static __be32 *
xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
{
- u32 rdev;
- fattr->type = (enum nfs_ftype) ntohl(*p++);
+ u32 rdev, type;
+ type = ntohl(*p++);
fattr->mode = ntohl(*p++);
fattr->nlink = ntohl(*p++);
fattr->uid = ntohl(*p++);
@@ -138,8 +138,7 @@
p = xdr_decode_time(p, &fattr->ctime);
fattr->valid |= NFS_ATTR_FATTR_V2;
fattr->rdev = new_decode_dev(rdev);
- if (fattr->type == NFCHR && rdev == NFS2_FIFO_DEV) {
- fattr->type = NFFIFO;
+ if (type == NFCHR && rdev == NFS2_FIFO_DEV) {
fattr->mode = (fattr->mode & ~S_IFMT) | S_IFIFO;
fattr->rdev = 0;
}
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index c0f7d02..e6a1932 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -91,19 +91,15 @@
/*
* Map file type to S_IFMT bits
*/
-static struct {
- unsigned int mode;
- unsigned int nfs2type;
-} nfs_type2fmt[] = {
- { 0, NFNON },
- { S_IFREG, NFREG },
- { S_IFDIR, NFDIR },
- { S_IFBLK, NFBLK },
- { S_IFCHR, NFCHR },
- { S_IFLNK, NFLNK },
- { S_IFSOCK, NFSOCK },
- { S_IFIFO, NFFIFO },
- { 0, NFBAD }
+static const umode_t nfs_type2fmt[] = {
+ [NF3BAD] = 0,
+ [NF3REG] = S_IFREG,
+ [NF3DIR] = S_IFDIR,
+ [NF3BLK] = S_IFBLK,
+ [NF3CHR] = S_IFCHR,
+ [NF3LNK] = S_IFLNK,
+ [NF3SOCK] = S_IFSOCK,
+ [NF3FIFO] = S_IFIFO,
};
/*
@@ -148,13 +144,12 @@
xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
{
unsigned int type, major, minor;
- int fmode;
+ umode_t fmode;
type = ntohl(*p++);
- if (type >= NF3BAD)
- type = NF3BAD;
- fmode = nfs_type2fmt[type].mode;
- fattr->type = nfs_type2fmt[type].nfs2type;
+ if (type > NF3FIFO)
+ type = NF3NON;
+ fmode = nfs_type2fmt[type];
fattr->mode = (ntohl(*p++) & ~S_IFMT) | fmode;
fattr->nlink = ntohl(*p++);
fattr->uid = ntohl(*p++);
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 9f1df83..c1906d2 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -522,20 +522,17 @@
decode_lookup_maxsz + \
decode_fs_locations_maxsz)
-static struct {
- unsigned int mode;
- unsigned int nfs2type;
-} nfs_type2fmt[] = {
- { 0, NFNON },
- { S_IFREG, NFREG },
- { S_IFDIR, NFDIR },
- { S_IFBLK, NFBLK },
- { S_IFCHR, NFCHR },
- { S_IFLNK, NFLNK },
- { S_IFSOCK, NFSOCK },
- { S_IFIFO, NFFIFO },
- { 0, NFNON },
- { 0, NFNON },
+static const umode_t nfs_type2fmt[] = {
+ [NF4BAD] = 0,
+ [NF4REG] = S_IFREG,
+ [NF4DIR] = S_IFDIR,
+ [NF4BLK] = S_IFBLK,
+ [NF4CHR] = S_IFCHR,
+ [NF4LNK] = S_IFLNK,
+ [NF4SOCK] = S_IFSOCK,
+ [NF4FIFO] = S_IFIFO,
+ [NF4ATTRDIR] = 0,
+ [NF4NAMEDATTR] = 0,
};
struct compound_hdr {
@@ -2173,7 +2170,7 @@
}
bitmap[0] &= ~FATTR4_WORD0_TYPE;
}
- dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type].nfs2type);
+ dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]);
return 0;
}
@@ -2580,8 +2577,9 @@
return status;
}
-static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
+static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode)
{
+ uint32_t tmp;
__be32 *p;
*mode = 0;
@@ -2589,8 +2587,8 @@
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
READ_BUF(4);
- READ32(*mode);
- *mode &= ~S_IFMT;
+ READ32(tmp);
+ *mode = tmp & ~S_IFMT;
bitmap[1] &= ~FATTR4_WORD1_MODE;
}
dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode);
@@ -2994,7 +2992,8 @@
uint32_t attrlen,
bitmap[2] = {0},
type;
- int status, fmode = 0;
+ int status;
+ umode_t fmode = 0;
uint64_t fileid;
if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
@@ -3008,8 +3007,7 @@
if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
goto xdr_error;
- fattr->type = nfs_type2fmt[type].nfs2type;
- fattr->mode = nfs_type2fmt[type].mode;
+ fattr->mode = nfs_type2fmt[type];
if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
goto xdr_error;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 6013acb..0691b9c 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -28,8 +28,7 @@
struct nfs_fattr {
unsigned int valid; /* which fields are valid */
- enum nfs_ftype type; /* always use NFSv2 types */
- __u32 mode;
+ umode_t mode;
__u32 nlink;
__u32 uid;
__u32 gid;