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coda: switch coda_cnode_make() to sane API as well, clean coda_lookup() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-01-10 11:11:49 -05:00
parent 0b2c4e39c0
commit f4947fbce2
4 changed files with 27 additions and 31 deletions
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17
fs/coda/cnode.c
View File

@ -88,24 +88,21 @@ struct inode * coda_iget(struct super_block * sb, struct CodaFid * fid,
- link the two up if this is needed
- fill in the attributes
*/
int coda_cnode_make(struct inode **inode, struct CodaFid *fid, struct super_block *sb)
struct inode *coda_cnode_make(struct CodaFid *fid, struct super_block *sb)
{
struct coda_vattr attr;
struct inode *inode;
int error;
/* We get inode numbers from Venus -- see venus source */
error = venus_getattr(sb, fid, &attr);
if ( error ) {
*inode = NULL;
return error;
}
if (error)
return ERR_PTR(error);
*inode = coda_iget(sb, fid, &attr);
if ( IS_ERR(*inode) ) {
inode = coda_iget(sb, fid, &attr);
if (IS_ERR(inode))
printk("coda_cnode_make: coda_iget failed\n");
return PTR_ERR(*inode);
}
return 0;
return inode;
}

2
fs/coda/coda_fs_i.h
View File

@ -49,7 +49,7 @@ struct coda_file_info {
#define C_DYING 0x4 /* from venus (which died) */
#define C_PURGE 0x8
int coda_cnode_make(struct inode **, struct CodaFid *, struct super_block *);
struct inode *coda_cnode_make(struct CodaFid *, struct super_block *);
struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
struct inode *coda_cnode_makectl(struct super_block *sb);
struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);

29
fs/coda/dir.c
View File

@ -96,12 +96,11 @@ const struct file_operations coda_dir_operations = {
/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struct nameidata *nd)
{
struct inode *inode = NULL;
struct CodaFid resfid = { { 0, } };
int type = 0;
int error = 0;
struct super_block *sb = dir->i_sb;
const char *name = entry->d_name.name;
size_t length = entry->d_name.len;
struct inode *inode;
int type = 0;
if (length > CODA_MAXNAMLEN) {
printk(KERN_ERR "name too long: lookup, %s (%*s)\n",
@ -111,23 +110,21 @@ static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struc
/* control object, create inode on the fly */
if (coda_isroot(dir) && coda_iscontrol(name, length)) {
inode = coda_cnode_makectl(dir->i_sb);
inode = coda_cnode_makectl(sb);
type = CODA_NOCACHE;
goto exit;
} else {
struct CodaFid fid = { { 0, } };
int error = venus_lookup(sb, coda_i2f(dir), name, length,
&type, &fid);
inode = !error ? coda_cnode_make(&fid, sb) : ERR_PTR(error);
}
error = venus_lookup(dir->i_sb, coda_i2f(dir), name, length,
&type, &resfid);
if (!error)
error = coda_cnode_make(&inode, &resfid, dir->i_sb);
if (error && error != -ENOENT)
return ERR_PTR(error);
exit:
if (inode && !IS_ERR(inode) && (type & CODA_NOCACHE))
if (!IS_ERR(inode) && (type & CODA_NOCACHE))
coda_flag_inode(inode, C_VATTR | C_PURGE);
if (inode == ERR_PTR(-ENOENT))
inode = NULL;
return d_splice_alias(inode, entry);
}

10
fs/coda/inode.c
View File

@ -204,10 +204,12 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
printk("coda_read_super: rootfid is %s\n", coda_f2s(&fid));
/* make root inode */
error = coda_cnode_make(&root, &fid, sb);
if ( error || !root ) {
printk("Failure of coda_cnode_make for root: error %d\n", error);
goto error;
root = coda_cnode_make(&fid, sb);
if (IS_ERR(root)) {
error = PTR_ERR(root);
printk("Failure of coda_cnode_make for root: error %d\n", error);
root = NULL;
goto error;
}
printk("coda_read_super: rootinode is %ld dev %s\n",