lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

exportfs: Return the minimum required handle size

Browse Source 
The exportfs encode handle function should return the minimum required
handle size. This helps user to find out the handle size by passing 0
handle size in the first step and then redoing to the call again with
the returned handle size value.

Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Aneesh Kumar K.V
2011-01-29 18:43:25 +05:30
committed by Al Viro
parent c8b91accfa
commit 5fe0c23788
12 changed files with 59 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
fs/exportfs/expfs.c
View File

@ -320,9 +320,14 @@ static int export_encode_fh(struct dentry *dentry, struct fid *fid,
struct inode * inode = dentry->d_inode;
int len = *max_len;
int type = FILEID_INO32_GEN;
if (len < 2 || (connectable && len < 4))
if (connectable && (len < 4)) {
*max_len = 4;
return 255;
} else if (len < 2) {
*max_len = 2;
return 255;
}
len = 2;
fid->i32.ino = inode->i_ino;