diff options
Diffstat (limited to 'fs/afs')
| -rw-r--r-- | fs/afs/afs.h | 1 | ||||
| -rw-r--r-- | fs/afs/dir.c | 51 |
2 files changed, 45 insertions, 7 deletions
diff --git a/fs/afs/afs.h b/fs/afs/afs.h index a7d3f902a91c..3f4e460c6655 100644 --- a/fs/afs/afs.h +++ b/fs/afs/afs.h @@ -150,6 +150,7 @@ struct afs_file_status { struct afs_status_cb { struct afs_file_status status; struct afs_callback callback; + unsigned int cb_break; /* Pre-op callback break counter */ bool have_status; /* True if status record was retrieved */ bool have_cb; /* True if cb record was retrieved */ bool have_error; /* True if status.abort_code indicates an error */ diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 9e42f6c75747..79d93a26759a 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -103,6 +103,7 @@ struct afs_lookup_cookie { bool found; bool one_only; unsigned short nr_fids; + struct inode **inodes; struct afs_status_cb *statuses; struct afs_fid fids[50]; }; @@ -644,8 +645,8 @@ static struct inode *afs_do_lookup(struct inode *dir, struct dentry *dentry, struct afs_iget_data iget_data; struct afs_fs_cursor fc; struct afs_server *server; - struct afs_vnode *dvnode = AFS_FS_I(dir); - struct inode *inode = NULL; + struct afs_vnode *dvnode = AFS_FS_I(dir), *vnode; + struct inode *inode = NULL, *ti; int ret, i; _enter("{%lu},%p{%pd},", dir->i_ino, dentry, dentry); @@ -700,6 +701,27 @@ static struct inode *afs_do_lookup(struct inode *dir, struct dentry *dentry, if (!cookie->statuses) goto out; + cookie->inodes = kcalloc(cookie->nr_fids, sizeof(struct inode *), + GFP_KERNEL); + if (!cookie->inodes) + goto out_s; + + for (i = 1; i < cookie->nr_fids; i++) { + scb = &cookie->statuses[i]; + + /* Find any inodes that already exist and get their + * callback counters. + */ + iget_data.fid = cookie->fids[i]; + ti = ilookup5_nowait(dir->i_sb, iget_data.fid.vnode, + afs_iget5_test, &iget_data); + if (!IS_ERR_OR_NULL(ti)) { + vnode = AFS_FS_I(ti); + scb->cb_break = afs_calc_vnode_cb_break(vnode); + cookie->inodes[i] = ti; + } + } + /* Try FS.InlineBulkStatus first. Abort codes for the individual * lookups contained therein are stored in the reply without aborting * the whole operation. @@ -742,7 +764,6 @@ no_inline_bulk_status: * any of the lookups fails - so, for the moment, revert to * FS.FetchStatus for just the primary fid. */ - cookie->nr_fids = 1; inode = ERR_PTR(-ERESTARTSYS); if (afs_begin_vnode_operation(&fc, dvnode, key, true)) { while (afs_select_fileserver(&fc)) { @@ -764,9 +785,6 @@ no_inline_bulk_status: if (IS_ERR(inode)) goto out_c; - for (i = 0; i < cookie->nr_fids; i++) - cookie->statuses[i].status.abort_code = 0; - success: /* Turn all the files into inodes and save the first one - which is the * one we actually want. @@ -777,13 +795,26 @@ success: for (i = 0; i < cookie->nr_fids; i++) { struct afs_status_cb *scb = &cookie->statuses[i]; - struct inode *ti; + + if (!scb->have_status && !scb->have_error) + continue; + + if (cookie->inodes[i]) { + afs_vnode_commit_status(&fc, AFS_FS_I(cookie->inodes[i]), + scb->cb_break, NULL, scb); + continue; + } if (scb->status.abort_code != 0) continue; iget_data.fid = cookie->fids[i]; ti = afs_iget(dir->i_sb, key, &iget_data, scb, cbi, dvnode); + if (!IS_ERR(ti)) + afs_cache_permit(AFS_FS_I(ti), key, + 0 /* Assume vnode->cb_break is 0 */ + + iget_data.cb_v_break, + scb); if (i == 0) { inode = ti; } else { @@ -794,6 +825,12 @@ success: out_c: afs_put_cb_interest(afs_v2net(dvnode), cbi); + if (cookie->inodes) { + for (i = 0; i < cookie->nr_fids; i++) + iput(cookie->inodes[i]); + kfree(cookie->inodes); + } +out_s: kvfree(cookie->statuses); out: kfree(cookie); |