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-rw-r--r--fs/afs/inode.c107
1 files changed, 34 insertions, 73 deletions
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 900c8bb..1886331 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -19,9 +19,6 @@
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
-#include "volume.h"
-#include "vnode.h"
-#include "super.h"
#include "internal.h"
struct afs_iget_data {
@@ -40,7 +37,7 @@ static int afs_inode_map_status(struct afs_vnode *vnode)
vnode->status.type,
vnode->status.nlink,
vnode->status.size,
- vnode->status.version,
+ vnode->status.data_version,
vnode->status.mode);
switch (vnode->status.type) {
@@ -78,7 +75,7 @@ static int afs_inode_map_status(struct afs_vnode *vnode)
if (vnode->status.type == AFS_FTYPE_SYMLINK) {
afs_mntpt_check_symlink(vnode);
- if (vnode->flags & AFS_VNODE_MOUNTPOINT) {
+ if (test_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags)) {
inode->i_mode = S_IFDIR | vnode->status.mode;
inode->i_op = &afs_mntpt_inode_operations;
inode->i_fop = &afs_mntpt_file_operations;
@@ -89,25 +86,6 @@ static int afs_inode_map_status(struct afs_vnode *vnode)
}
/*
- * attempt to fetch the status of an inode, coelescing multiple simultaneous
- * fetches
- */
-static int afs_inode_fetch_status(struct inode *inode)
-{
- struct afs_vnode *vnode;
- int ret;
-
- vnode = AFS_FS_I(inode);
-
- ret = afs_vnode_fetch_status(vnode);
-
- if (ret == 0)
- ret = afs_inode_map_status(vnode);
-
- return ret;
-}
-
-/*
* iget5() comparator
*/
static int afs_iget5_test(struct inode *inode, void *opaque)
@@ -137,8 +115,7 @@ static int afs_iget5_set(struct inode *inode, void *opaque)
/*
* inode retrieval
*/
-inline int afs_iget(struct super_block *sb, struct afs_fid *fid,
- struct inode **_inode)
+inline struct inode *afs_iget(struct super_block *sb, struct afs_fid *fid)
{
struct afs_iget_data data = { .fid = *fid };
struct afs_super_info *as;
@@ -155,20 +132,18 @@ inline int afs_iget(struct super_block *sb, struct afs_fid *fid,
&data);
if (!inode) {
_leave(" = -ENOMEM");
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
+ _debug("GOT INODE %p { vl=%x vn=%x, u=%x }",
+ inode, fid->vid, fid->vnode, fid->unique);
+
vnode = AFS_FS_I(inode);
/* deal with an existing inode */
if (!(inode->i_state & I_NEW)) {
- ret = afs_vnode_fetch_status(vnode);
- if (ret == 0)
- *_inode = inode;
- else
- iput(inode);
- _leave(" = %d", ret);
- return ret;
+ _leave(" = %p", inode);
+ return inode;
}
#ifdef AFS_CACHING_SUPPORT
@@ -181,21 +156,19 @@ inline int afs_iget(struct super_block *sb, struct afs_fid *fid,
#endif
/* okay... it's a new inode */
- inode->i_flags |= S_NOATIME;
- vnode->flags |= AFS_VNODE_CHANGED;
- ret = afs_inode_fetch_status(inode);
- if (ret<0)
+ set_bit(AFS_VNODE_CB_BROKEN, &vnode->flags);
+ ret = afs_vnode_fetch_status(vnode);
+ if (ret < 0)
+ goto bad_inode;
+ ret = afs_inode_map_status(vnode);
+ if (ret < 0)
goto bad_inode;
/* success */
+ inode->i_flags |= S_NOATIME;
unlock_new_inode(inode);
-
- *_inode = inode;
- _leave(" = 0 [CB { v=%u x=%lu t=%u }]",
- vnode->cb_version,
- vnode->cb_timeout.timo_jif,
- vnode->cb_type);
- return 0;
+ _leave(" = %p [CB { v=%u t=%u }]", inode, vnode->cb_version, vnode->cb_type);
+ return inode;
/* failure */
bad_inode:
@@ -204,7 +177,7 @@ bad_inode:
iput(inode);
_leave(" = %d [bad]", ret);
- return ret;
+ return ERR_PTR(ret);
}
/*
@@ -213,36 +186,13 @@ bad_inode:
int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
{
- struct afs_vnode *vnode;
struct inode *inode;
- int ret;
inode = dentry->d_inode;
_enter("{ ino=%lu v=%lu }", inode->i_ino, inode->i_version);
- vnode = AFS_FS_I(inode);
-
- ret = afs_inode_fetch_status(inode);
- if (ret == -ENOENT) {
- _leave(" = %d [%d %p]",
- ret, atomic_read(&dentry->d_count), dentry->d_inode);
- return ret;
- } else if (ret < 0) {
- make_bad_inode(inode);
- _leave(" = %d", ret);
- return ret;
- }
-
- /* transfer attributes from the inode structure to the stat
- * structure */
generic_fillattr(inode, stat);
-
- _leave(" = 0 CB { v=%u x=%u t=%u }",
- vnode->cb_version,
- vnode->cb_expiry,
- vnode->cb_type);
-
return 0;
}
@@ -260,12 +210,23 @@ void afs_clear_inode(struct inode *inode)
vnode->fid.vnode,
vnode->cb_version,
vnode->cb_expiry,
- vnode->cb_type
- );
+ vnode->cb_type);
- BUG_ON(inode->i_ino != vnode->fid.vnode);
+ _debug("CLEAR INODE %p", inode);
+
+ ASSERTCMP(inode->i_ino, ==, vnode->fid.vnode);
+
+ afs_give_up_callback(vnode);
+
+ if (vnode->server) {
+ spin_lock(&vnode->server->fs_lock);
+ rb_erase(&vnode->server_rb, &vnode->server->fs_vnodes);
+ spin_unlock(&vnode->server->fs_lock);
+ afs_put_server(vnode->server);
+ vnode->server = NULL;
+ }
- afs_vnode_give_up_callback(vnode);
+ ASSERT(!vnode->cb_promised);
#ifdef AFS_CACHING_SUPPORT
cachefs_relinquish_cookie(vnode->cache, 0);