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9p: v9fs_fid_add() can't fail now 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-02-28 01:18:14 -05:00
parent aaeb7ecfb4
commit 2ea03e1d62
4 changed files with 11 additions and 22 deletions
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3
fs/9p/fid.c
View File

@ -41,12 +41,11 @@
*
*/
int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
{
spin_lock(&dentry->d_lock);
hlist_add_head(&fid->dlist, (struct hlist_head *)&dentry->d_fsdata);
spin_unlock(&dentry->d_lock);
return 0;
}
/**

2
fs/9p/fid.h
View File

@ -25,6 +25,6 @@
struct p9_fid *v9fs_fid_lookup(struct dentry *dentry);
struct p9_fid *v9fs_fid_clone(struct dentry *dentry);
int v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid);
struct p9_fid *v9fs_writeback_fid(struct dentry *dentry);
#endif

9
fs/9p/vfs_inode.c
View File

@ -692,9 +692,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
"inode creation failed %d\n", err);
goto error;
}
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
v9fs_fid_add(dentry, fid);
d_instantiate(dentry, inode);
}
return ofid;
@ -830,9 +828,7 @@ struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
inode = NULL;
goto error;
}
result = v9fs_fid_add(dentry, fid);
if (result < 0)
goto error_iput;
v9fs_fid_add(dentry, fid);
inst_out:
/*
* If we had a rename on the server and a parallel lookup
@ -845,7 +841,6 @@ inst_out:
if (!IS_ERR(res))
return res;
result = PTR_ERR(res);
error_iput:
iput(inode);
error:
p9_client_clunk(fid);

19
fs/9p/vfs_inode_dotl.c
View File

@ -333,9 +333,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
/* Now set the ACL based on the default value */
v9fs_set_create_acl(inode, fid, dacl, pacl);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
v9fs_fid_add(dentry, fid);
d_instantiate(dentry, inode);
v9inode = V9FS_I(inode);
@ -453,12 +451,11 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
err);
goto error;
}
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
v9fs_fid_add(dentry, fid);
v9fs_set_create_acl(inode, fid, dacl, pacl);
d_instantiate(dentry, inode);
fid = NULL;
err = 0;
} else {
/*
* Not in cached mode. No need to populate
@ -747,11 +744,10 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
err);
goto error;
}
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
v9fs_fid_add(dentry, fid);
d_instantiate(dentry, inode);
fid = NULL;
err = 0;
} else {
/* Not in cached mode. No need to populate inode with stat */
inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0);
@ -900,11 +896,10 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
goto error;
}
v9fs_set_create_acl(inode, fid, dacl, pacl);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
v9fs_fid_add(dentry, fid);
d_instantiate(dentry, inode);
fid = NULL;
err = 0;
} else {
/*
* Not in cached mode. No need to populate inode with stat.