#include <linux/fsnotify.h>
#include "internal.h"
+static void afs_silly_rename_success(struct afs_operation *op)
+{
+ _enter("op=%08x", op->debug_id);
+
+ afs_vnode_commit_status(op, &op->file[0]);
+}
+
+static void afs_silly_rename_edit_dir(struct afs_operation *op)
+{
+ struct afs_vnode_param *dvp = &op->file[0];
+ struct afs_vnode *dvnode = dvp->vnode;
+ struct afs_vnode *vnode = AFS_FS_I(d_inode(op->dentry));
+ struct dentry *old = op->dentry;
+ struct dentry *new = op->dentry_2;
+
+ spin_lock(&old->d_lock);
+ old->d_flags |= DCACHE_NFSFS_RENAMED;
+ spin_unlock(&old->d_lock);
+ if (dvnode->silly_key != op->key) {
+ key_put(dvnode->silly_key);
+ dvnode->silly_key = key_get(op->key);
+ }
+
+ down_write(&dvnode->validate_lock);
+ if (test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags) &&
+ dvnode->status.data_version == dvp->dv_before + dvp->dv_delta) {
+ afs_edit_dir_remove(dvnode, &old->d_name,
+ afs_edit_dir_for_silly_0);
+ afs_edit_dir_add(dvnode, &new->d_name,
+ &vnode->fid, afs_edit_dir_for_silly_1);
+ }
+ up_write(&dvnode->validate_lock);
+}
+
+static const struct afs_operation_ops afs_silly_rename_operation = {
+ .issue_afs_rpc = afs_fs_rename,
+ .issue_yfs_rpc = yfs_fs_rename,
+ .success = afs_silly_rename_success,
+ .edit_dir = afs_silly_rename_edit_dir,
+};
+
/*
* Actually perform the silly rename step.
*/
struct dentry *old, struct dentry *new,
struct key *key)
{
- struct afs_fs_cursor fc;
- struct afs_status_cb *scb;
- afs_dataversion_t dir_data_version;
- int ret = -ERESTARTSYS;
+ struct afs_operation *op;
_enter("%pd,%pd", old, new);
- scb = kzalloc(sizeof(struct afs_status_cb), GFP_KERNEL);
- if (!scb)
- return -ENOMEM;
+ op = afs_alloc_operation(key, dvnode->volume);
+ if (IS_ERR(op))
+ return PTR_ERR(op);
- trace_afs_silly_rename(vnode, false);
- if (afs_begin_vnode_operation(&fc, dvnode, key, true)) {
- dir_data_version = dvnode->status.data_version + 1;
-
- while (afs_select_fileserver(&fc)) {
- fc.cb_break = afs_calc_vnode_cb_break(dvnode);
- afs_fs_rename(&fc, old->d_name.name,
- dvnode, new->d_name.name,
- scb, scb);
- }
-
- afs_vnode_commit_status(&fc, dvnode, fc.cb_break,
- &dir_data_version, scb);
- ret = afs_end_vnode_operation(&fc);
- }
+ afs_op_set_vnode(op, 0, dvnode);
- if (ret == 0) {
- spin_lock(&old->d_lock);
- old->d_flags |= DCACHE_NFSFS_RENAMED;
- spin_unlock(&old->d_lock);
- if (dvnode->silly_key != key) {
- key_put(dvnode->silly_key);
- dvnode->silly_key = key_get(key);
- }
-
- down_write(&dvnode->validate_lock);
- if (test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags) &&
- dvnode->status.data_version == dir_data_version) {
- afs_edit_dir_remove(dvnode, &old->d_name,
- afs_edit_dir_for_silly_0);
- afs_edit_dir_add(dvnode, &new->d_name,
- &vnode->fid, afs_edit_dir_for_silly_1);
- }
- up_write(&dvnode->validate_lock);
- }
+ op->dentry = old;
+ op->dentry_2 = new;
+ op->ops = &afs_silly_rename_operation;
- kfree(scb);
- _leave(" = %d", ret);
- return ret;
+ trace_afs_silly_rename(vnode, false);
+ return afs_do_sync_operation(op);
}
/**
return ret;
}
+static void afs_silly_unlink_success(struct afs_operation *op)
+{
+ struct afs_vnode *vnode = op->file[1].vnode;
+
+ _enter("op=%08x", op->debug_id);
+ afs_check_for_remote_deletion(op, op->file[0].vnode);
+ afs_vnode_commit_status(op, &op->file[0]);
+ afs_vnode_commit_status(op, &op->file[1]);
+ afs_update_dentry_version(op, &op->file[0], op->dentry);
+
+ drop_nlink(&vnode->vfs_inode);
+ if (vnode->vfs_inode.i_nlink == 0) {
+ set_bit(AFS_VNODE_DELETED, &vnode->flags);
+ clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags);
+ }
+}
+
+static void afs_silly_unlink_edit_dir(struct afs_operation *op)
+{
+ struct afs_vnode_param *dvp = &op->file[0];
+ struct afs_vnode *dvnode = dvp->vnode;
+
+ _enter("op=%08x", op->debug_id);
+ down_write(&dvnode->validate_lock);
+ if (test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags) &&
+ dvnode->status.data_version == dvp->dv_before + dvp->dv_delta)
+ afs_edit_dir_remove(dvnode, &op->dentry->d_name,
+ afs_edit_dir_for_unlink);
+ up_write(&dvnode->validate_lock);
+}
+
+static const struct afs_operation_ops afs_silly_unlink_operation = {
+ .issue_afs_rpc = afs_fs_remove_file,
+ .issue_yfs_rpc = yfs_fs_remove_file,
+ .success = afs_silly_unlink_success,
+ .edit_dir = afs_silly_unlink_edit_dir,
+};
+
/*
* Tell the server to remove a sillyrename file.
*/
static int afs_do_silly_unlink(struct afs_vnode *dvnode, struct afs_vnode *vnode,
struct dentry *dentry, struct key *key)
{
- struct afs_fs_cursor fc;
- struct afs_status_cb *scb;
- int ret = -ERESTARTSYS;
+ struct afs_operation *op;
_enter("");
- scb = kcalloc(2, sizeof(struct afs_status_cb), GFP_KERNEL);
- if (!scb)
- return -ENOMEM;
+ op = afs_alloc_operation(NULL, dvnode->volume);
+ if (IS_ERR(op))
+ return PTR_ERR(op);
- trace_afs_silly_rename(vnode, true);
- if (afs_begin_vnode_operation(&fc, dvnode, key, false)) {
- afs_dataversion_t dir_data_version = dvnode->status.data_version + 1;
-
- while (afs_select_fileserver(&fc)) {
- fc.cb_break = afs_calc_vnode_cb_break(dvnode);
-
- if (test_bit(AFS_SERVER_FL_IS_YFS, &fc.cbi->server->flags) &&
- !test_bit(AFS_SERVER_FL_NO_RM2, &fc.cbi->server->flags)) {
- yfs_fs_remove_file2(&fc, vnode, dentry->d_name.name,
- &scb[0], &scb[1]);
- if (fc.ac.error != -ECONNABORTED ||
- fc.ac.abort_code != RXGEN_OPCODE)
- continue;
- set_bit(AFS_SERVER_FL_NO_RM2, &fc.cbi->server->flags);
- }
-
- afs_fs_remove(&fc, vnode, dentry->d_name.name, false, &scb[0]);
- }
+ afs_op_set_vnode(op, 0, dvnode);
+ afs_op_set_vnode(op, 1, vnode);
- afs_vnode_commit_status(&fc, dvnode, fc.cb_break,
- &dir_data_version, &scb[0]);
- ret = afs_end_vnode_operation(&fc);
- if (ret == 0) {
- drop_nlink(&vnode->vfs_inode);
- if (vnode->vfs_inode.i_nlink == 0) {
- set_bit(AFS_VNODE_DELETED, &vnode->flags);
- clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags);
- }
- }
- if (ret == 0) {
- down_write(&dvnode->validate_lock);
- if (test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags) &&
- dvnode->status.data_version == dir_data_version)
- afs_edit_dir_remove(dvnode, &dentry->d_name,
- afs_edit_dir_for_unlink);
- up_write(&dvnode->validate_lock);
- }
- }
+ op->dentry = dentry;
+ op->ops = &afs_silly_unlink_operation;
- kfree(scb);
- _leave(" = %d", ret);
- return ret;
+ trace_afs_silly_rename(vnode, true);
+ return afs_do_sync_operation(op);
}
/*
projects / linux-2.6-microblaze.git / blobdiff