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fs/9p: Add drop_inode 9p callback 

We want to immediately drop the inode in non cached mode

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V 2011-02-28 17:04:05 +05:30 committed by Eric Van Hensbergen
parent e959b54901
commit edd73cf544
1 changed files with 15 additions and 0 deletions
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15
fs/9p/vfs_super.c
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@ -293,6 +293,20 @@ static int v9fs_sync_fs(struct super_block *sb, int wait)
return p9_client_sync_fs(v9ses->root_fid);
}
static int v9fs_drop_inode(struct inode *inode)
{
struct v9fs_session_info *v9ses;
v9ses = v9fs_inode2v9ses(inode);
if (v9ses->cache)
return generic_drop_inode(inode);
/*
* in case of non cached mode always drop the
* the inode because we want the inode attribute
* to always match that on the server.
*/
return 1;
}
static const struct super_operations v9fs_super_ops = {
.alloc_inode = v9fs_alloc_inode,
.destroy_inode = v9fs_destroy_inode,
@ -307,6 +321,7 @@ static const struct super_operations v9fs_super_ops_dotl = {
.destroy_inode = v9fs_destroy_inode,
.sync_fs = v9fs_sync_fs,
.statfs = v9fs_statfs,
.drop_inode = v9fs_drop_inode,
.evict_inode = v9fs_evict_inode,
.show_options = generic_show_options,
.umount_begin = v9fs_umount_begin,