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authorJ. Bruce Fields <bfields@redhat.com>2011-08-15 11:49:30 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-26 18:22:47 -0400
commit3d2544b1e4909b6dffa0d140273628913e255e45 (patch)
tree83985c81fdd869336b80dd03a3870f2f4faf448a
parent11fd165c68b73434ca1273e21f21db5eecc90926 (diff)
nfsd4: clean up S_IS -> NF4 file type mapping
A slightly unconventional approach to make the code more compact I could live with, but let's give the poor reader *some* chance. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/nfs4xdr.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index f8109960525..51ec1f27450 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1772,12 +1772,19 @@ static __be32 nfsd4_encode_fs_locations(struct svc_rqst *rqstp,
return 0;
}
-static u32 nfs4_ftypes[16] = {
- NF4BAD, NF4FIFO, NF4CHR, NF4BAD,
- NF4DIR, NF4BAD, NF4BLK, NF4BAD,
- NF4REG, NF4BAD, NF4LNK, NF4BAD,
- NF4SOCK, NF4BAD, NF4LNK, NF4BAD,
-};
+static u32 nfs4_file_type(umode_t mode)
+{
+ switch (mode & S_IFMT) {
+ case S_IFIFO: return NF4FIFO;
+ case S_IFCHR: return NF4CHR;
+ case S_IFDIR: return NF4DIR;
+ case S_IFBLK: return NF4BLK;
+ case S_IFLNK: return NF4LNK;
+ case S_IFREG: return NF4REG;
+ case S_IFSOCK: return NF4SOCK;
+ default: return NF4BAD;
+ };
+}
static __be32
nfsd4_encode_name(struct svc_rqst *rqstp, int whotype, uid_t id, int group,
@@ -1966,7 +1973,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
if (bmval0 & FATTR4_WORD0_TYPE) {
if ((buflen -= 4) < 0)
goto out_resource;
- dummy = nfs4_ftypes[(stat.mode & S_IFMT) >> 12];
+ dummy = nfs4_file_type(stat.mode);
if (dummy == NF4BAD)
goto out_serverfault;
WRITE32(dummy);