The patch titled
nfs: remove 8 bytes of padding from struct nfs_fattr on 64 bit builds
has been added to the -mm tree. Its filename is
nfs-remove-8-bytes-of-padding-from-struct-nfs_fattr-on-64-bit-builds.patch
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Subject: nfs: remove 8 bytes of padding from struct nfs_fattr on 64 bit builds
From: Richard Kennedy <richard@xxxxxxxxxxxxxxx>
remove 8 bytes of padding from struct nfs_fattr on 64 bit builds
This also removes padding from several nfs structures, including
16 bytes from nfs4_opendata, nfs4_createdata,nfs3_createdata
& 8 bytes from nfs_read_data,nfs_write_data,nfs_removeres,nfs4_closedata
This also reduces the reported stack usage of many nfs functions (30+).
Signed-off-by: Richard Kennedy <richard@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/nfs_xdr.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/nfs_xdr.h~nfs-remove-8-bytes-of-padding-from-struct-nfs_fattr-on-64-bit-builds include/linux/nfs_xdr.h
--- a/include/linux/nfs_xdr.h~nfs-remove-8-bytes-of-padding-from-struct-nfs_fattr-on-64-bit-builds
+++ a/include/linux/nfs_xdr.h
@@ -36,6 +36,7 @@ struct nfs_fattr {
__u32 nlink;
__u32 uid;
__u32 gid;
+ dev_t rdev;
__u64 size;
union {
struct {
@@ -46,7 +47,6 @@ struct nfs_fattr {
__u64 used;
} nfs3;
} du;
- dev_t rdev;
struct nfs_fsid fsid;
__u64 fileid;
struct timespec atime;
_
Patches currently in -mm which might be from richard@xxxxxxxxxxxxxxx are
linux-next.patch
hrtimer-reorder-struct-hrtimer-to-save-8-bytes-on-64-bit-builds.patch
libata-reorder-ata_device-to-remove-8-bytes-of-padding-on-64-bits.patch
nfs-remove-8-bytes-of-padding-from-struct-nfs_fattr-on-64-bit-builds.patch
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