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authorDavid Howells <dhowells@redhat.com>2017-11-02 15:27:46 +0000
committerDavid Howells <dhowells@redhat.com>2017-11-13 15:38:17 +0000
commit9ed900b1160ef306bc74ad0228d7ab199234c758 (patch)
treef2e3ed236dce6980e51e8216e9e06ffbf9c1d989 /fs/afs/dir.c
parent49566f6f06b38d7c1a5c7eacc8a38c6ea2e36549 (diff)
afs: Push the net ns pointer to more places
Push the network namespace pointer to more places in AFS, including the afs_server structure (which doesn't hold a ref on the netns). In particular, afs_put_cell() now takes requires a net ns parameter so that it can safely alter the netns after decrementing the cell usage count - the cell will be deallocated by a background thread after being cached for a period, which means that it's not safe to access it after reducing its usage count. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/dir.c')
-rw-r--r--fs/afs/dir.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 613a77058263..97ec6a74589e 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -771,7 +771,7 @@ static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
vnode->update_cnt++;
spin_unlock(&vnode->lock);
afs_vnode_finalise_status_update(vnode, server);
- afs_put_server(server);
+ afs_put_server(afs_i2net(dir), server);
d_instantiate(dentry, inode);
if (d_unhashed(dentry)) {
@@ -783,7 +783,7 @@ static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
return 0;
iget_error:
- afs_put_server(server);
+ afs_put_server(afs_i2net(dir), server);
mkdir_error:
key_put(key);
error:
@@ -948,7 +948,7 @@ static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
vnode->update_cnt++;
spin_unlock(&vnode->lock);
afs_vnode_finalise_status_update(vnode, server);
- afs_put_server(server);
+ afs_put_server(afs_i2net(dir), server);
d_instantiate(dentry, inode);
if (d_unhashed(dentry)) {
@@ -960,7 +960,7 @@ static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
return 0;
iget_error:
- afs_put_server(server);
+ afs_put_server(afs_i2net(dir), server);
create_error:
key_put(key);
error:
@@ -1060,7 +1060,7 @@ static int afs_symlink(struct inode *dir, struct dentry *dentry,
vnode->update_cnt++;
spin_unlock(&vnode->lock);
afs_vnode_finalise_status_update(vnode, server);
- afs_put_server(server);
+ afs_put_server(afs_i2net(dir), server);
d_instantiate(dentry, inode);
if (d_unhashed(dentry)) {
@@ -1072,7 +1072,7 @@ static int afs_symlink(struct inode *dir, struct dentry *dentry,
return 0;
iget_error:
- afs_put_server(server);
+ afs_put_server(afs_i2net(dir), server);
create_error:
key_put(key);
error: