Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* Fileserver-directed operation handling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2020 Red Hat, Inc. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Written by David Howells (dhowells@redhat.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include "internal.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) static atomic_t afs_operation_debug_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * Create an operation against a volume.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) struct afs_operation *afs_alloc_operation(struct key *key, struct afs_volume *volume)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	struct afs_operation *op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	op = kzalloc(sizeof(*op), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	if (!op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	if (!key) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		key = afs_request_key(volume->cell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 		if (IS_ERR(key)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 			kfree(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 			return ERR_CAST(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		key_get(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	op->key		= key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	op->volume	= afs_get_volume(volume, afs_volume_trace_get_new_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	op->net		= volume->cell->net;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	op->cb_v_break	= volume->cb_v_break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	op->debug_id	= atomic_inc_return(&afs_operation_debug_counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	op->error	= -EDESTADDRREQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	op->ac.error	= SHRT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	_leave(" = [op=%08x]", op->debug_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	return op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51)  * Lock the vnode(s) being operated upon.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) static bool afs_get_io_locks(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	struct afs_vnode *vnode = op->file[0].vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	struct afs_vnode *vnode2 = op->file[1].vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	if (op->flags & AFS_OPERATION_UNINTR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		mutex_lock(&vnode->io_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		op->flags |= AFS_OPERATION_LOCK_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		_leave(" = t [1]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	if (!vnode2 || !op->file[1].need_io_lock || vnode == vnode2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		vnode2 = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	if (vnode2 > vnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		swap(vnode, vnode2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	if (mutex_lock_interruptible(&vnode->io_lock) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		op->error = -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		op->flags |= AFS_OPERATION_STOP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		_leave(" = f [I 0]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	op->flags |= AFS_OPERATION_LOCK_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	if (vnode2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		if (mutex_lock_interruptible_nested(&vnode2->io_lock, 1) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 			op->error = -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 			op->flags |= AFS_OPERATION_STOP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 			mutex_unlock(&vnode->io_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 			op->flags &= ~AFS_OPERATION_LOCK_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 			_leave(" = f [I 1]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 			return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		op->flags |= AFS_OPERATION_LOCK_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	_leave(" = t [2]");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) static void afs_drop_io_locks(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	struct afs_vnode *vnode = op->file[0].vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	struct afs_vnode *vnode2 = op->file[1].vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	if (op->flags & AFS_OPERATION_LOCK_1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		mutex_unlock(&vnode2->io_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	if (op->flags & AFS_OPERATION_LOCK_0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		mutex_unlock(&vnode->io_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static void afs_prepare_vnode(struct afs_operation *op, struct afs_vnode_param *vp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 			      unsigned int index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	struct afs_vnode *vnode = vp->vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	if (vnode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		vp->fid			= vnode->fid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		vp->dv_before		= vnode->status.data_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		vp->cb_break_before	= afs_calc_vnode_cb_break(vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		if (vnode->lock_state != AFS_VNODE_LOCK_NONE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			op->flags	|= AFS_OPERATION_CUR_ONLY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		if (vp->modification)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			set_bit(AFS_VNODE_MODIFYING, &vnode->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	if (vp->fid.vnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		_debug("PREP[%u] {%llx:%llu.%u}",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		       index, vp->fid.vid, vp->fid.vnode, vp->fid.unique);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)  * Begin an operation on the fileserver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)  * Fileserver operations are serialised on the server by vnode, so we serialise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)  * them here also using the io_lock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) bool afs_begin_vnode_operation(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	struct afs_vnode *vnode = op->file[0].vnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	ASSERT(vnode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	if (op->file[0].need_io_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		if (!afs_get_io_locks(op))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 			return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	afs_prepare_vnode(op, &op->file[0], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	afs_prepare_vnode(op, &op->file[1], 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	op->cb_v_break = op->volume->cb_v_break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	_leave(" = true");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  * Tidy up a filesystem cursor and unlock the vnode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static void afs_end_vnode_operation(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (op->error == -EDESTADDRREQ ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	    op->error == -EADDRNOTAVAIL ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	    op->error == -ENETUNREACH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	    op->error == -EHOSTUNREACH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		afs_dump_edestaddrreq(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	afs_drop_io_locks(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	if (op->error == -ECONNABORTED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		op->error = afs_abort_to_error(op->ac.abort_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)  * Wait for an in-progress operation to complete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) void afs_wait_for_operation(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	while (afs_select_fileserver(op)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		op->cb_s_break = op->server->cb_s_break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		if (test_bit(AFS_SERVER_FL_IS_YFS, &op->server->flags) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		    op->ops->issue_yfs_rpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			op->ops->issue_yfs_rpc(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		else if (op->ops->issue_afs_rpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			op->ops->issue_afs_rpc(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			op->ac.error = -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		if (op->call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			op->error = afs_wait_for_call_to_complete(op->call, &op->ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	switch (op->error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		_debug("success");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		op->ops->success(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	case -ECONNABORTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		if (op->ops->aborted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			op->ops->aborted(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	afs_end_vnode_operation(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	if (op->error == 0 && op->ops->edit_dir) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		_debug("edit_dir");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		op->ops->edit_dir(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	_leave("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)  * Dispose of an operation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) int afs_put_operation(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	int i, ret = op->error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	_enter("op=%08x,%d", op->debug_id, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	if (op->ops && op->ops->put)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		op->ops->put(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	if (op->file[0].modification)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		clear_bit(AFS_VNODE_MODIFYING, &op->file[0].vnode->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	if (op->file[1].modification && op->file[1].vnode != op->file[0].vnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		clear_bit(AFS_VNODE_MODIFYING, &op->file[1].vnode->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	if (op->file[0].put_vnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		iput(&op->file[0].vnode->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	if (op->file[1].put_vnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		iput(&op->file[1].vnode->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	if (op->more_files) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		for (i = 0; i < op->nr_files - 2; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			if (op->more_files[i].put_vnode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 				iput(&op->more_files[i].vnode->vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 		kfree(op->more_files);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	afs_end_cursor(&op->ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	afs_put_serverlist(op->net, op->server_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	afs_put_volume(op->net, op->volume, afs_volume_trace_put_put_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	key_put(op->key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	kfree(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) int afs_do_sync_operation(struct afs_operation *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	afs_begin_vnode_operation(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	afs_wait_for_operation(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	return afs_put_operation(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }