提交 5acd3967 编写于 作者: S Steven Whitehouse

[GFS2] Some further style changes

Introduce a couple of new constants which make the NFS filehandle
sizes that GFS2 uses a bit clearer. Also fix one or two minor
issues as per Jan Engelhardt's sixth email.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>
上级 26c1a574
......@@ -45,13 +45,13 @@ static struct dentry *gfs2_decode_fh(struct super_block *sb,
memset(&parent, 0, sizeof(struct gfs2_inum));
switch (fh_type) {
case 10:
case GFS2_LARGE_FH_SIZE:
parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
parent.no_formal_ino |= be32_to_cpu(fh[5]);
parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
parent.no_addr |= be32_to_cpu(fh[7]);
fh_obj.imode = be32_to_cpu(fh[8]);
case 4:
case GFS2_SMALL_FH_SIZE:
this->no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
this->no_formal_ino |= be32_to_cpu(fh[1]);
this->no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
......@@ -72,7 +72,8 @@ static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
struct super_block *sb = inode->i_sb;
struct gfs2_inode *ip = GFS2_I(inode);
if (*len < 4 || (connectable && *len < 10))
if (*len < GFS2_SMALL_FH_SIZE ||
(connectable && *len < GFS2_LARGE_FH_SIZE))
return 255;
fh[0] = ip->i_num.no_formal_ino >> 32;
......@@ -83,7 +84,7 @@ static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
fh[2] = cpu_to_be32(fh[2]);
fh[3] = ip->i_num.no_addr & 0xFFFFFFFF;
fh[3] = cpu_to_be32(fh[3]);
*len = 4;
*len = GFS2_SMALL_FH_SIZE;
if (!connectable || inode == sb->s_root->d_inode)
return *len;
......@@ -105,7 +106,7 @@ static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
fh[8] = cpu_to_be32(inode->i_mode);
fh[9] = 0; /* pad to double word */
*len = 10;
*len = GFS2_LARGE_FH_SIZE;
iput(inode);
......
......@@ -10,6 +10,9 @@
#ifndef __OPS_EXPORT_DOT_H__
#define __OPS_EXPORT_DOT_H__
#define GFS2_SMALL_FH_SIZE 4
#define GFS2_LARGE_FH_SIZE 10
extern struct export_operations gfs2_export_ops;
struct gfs2_fh_obj {
struct gfs2_inum this;
......
......@@ -79,7 +79,7 @@ static void gfs2_put_super(struct super_block *sb)
return;
if (!strncmp(sb->s_type->name, "gfs2meta", 8))
return; /* meta fs. don't do nothin' */
return; /* Nothing to do */
/* Unfreeze the filesystem, if we need to */
......@@ -136,7 +136,6 @@ static void gfs2_put_super(struct super_block *sb)
/* At this point, we're through participating in the lockspace */
gfs2_sys_fs_del(sdp);
vfree(sdp);
sb->s_fs_info = NULL;
}
/**
......@@ -149,8 +148,7 @@ static void gfs2_put_super(struct super_block *sb)
static void gfs2_write_super(struct super_block *sb)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
gfs2_log_flush(sdp, NULL);
gfs2_log_flush(sb->s_fs_info, NULL);
}
/**
......
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