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Commit c6e22ba1 authored by Treehugger Robot's avatar Treehugger Robot Committed by Gerrit Code Review
Browse files

Merge "sdcard: Fix compilation with FUSE_TRACE == 1."

parents eb9367f9 714ec9d1

sdcard/fuse.cpp

+44 −34
Original line number Diff line number Diff line
@@ -18,6 +18,8 @@ 


#include "fuse.h"



#include <android-base/logging.h>



#define FUSE_UNKNOWN_INO 0xffffffff



/* Pseudo-error constant used to indicate that no fuse status is needed
@@ -573,8 +575,8 @@ static int handle_lookup(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_lock(&fuse->global->lock);

    parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,

            parent_path, sizeof(parent_path));

    TRACE("[%d] LOOKUP %s @ %" PRIx64 " (%s)\n", handler->token, name, hdr->nodeid,

        parent_node ? parent_node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] LOOKUP " << name << " @ " << hdr->nodeid

               << " (" << (parent_node ? parent_node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!parent_node || !(actual_name = find_file_within(parent_path, name,
@@ -595,8 +597,9 @@ static int handle_forget(struct fuse* fuse, struct fuse_handler* handler, 


    pthread_mutex_lock(&fuse->global->lock);

    node = lookup_node_by_id_locked(fuse, hdr->nodeid);

    TRACE("[%d] FORGET #%" PRIu64 " @ %" PRIx64 " (%s)\n", handler->token, req->nlookup,

            hdr->nodeid, node ? node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] FORGET #" << req->nlookup

               << " @ " << std::hex << hdr->nodeid

               << " (" << (node ? node->name : "?") << ")";

    if (node) {

        __u64 n = req->nlookup;

        while (n) {
@@ -616,8 +619,9 @@ static int handle_getattr(struct fuse* fuse, struct fuse_handler* handler, 


    pthread_mutex_lock(&fuse->global->lock);

    node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));

    TRACE("[%d] GETATTR flags=%x fh=%" PRIx64 " @ %" PRIx64 " (%s)\n", handler->token,

            req->getattr_flags, req->fh, hdr->nodeid, node ? node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] GETATTR flags=" << req->getattr_flags

               << " fh=" << std::hex << req->fh << " @ " << std::hex << hdr->nodeid

               << " (" << (node ? node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!node) {
@@ -639,8 +643,9 @@ static int handle_setattr(struct fuse* fuse, struct fuse_handler* handler, 


    pthread_mutex_lock(&fuse->global->lock);

    node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));

    TRACE("[%d] SETATTR fh=%" PRIx64 " valid=%x @ %" PRIx64 " (%s)\n", handler->token,

            req->fh, req->valid, hdr->nodeid, node ? node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] SETATTR fh=" << std::hex << req->fh

               << " valid=" << std::hex << req->valid << " @ " << std::hex << hdr->nodeid

               << " (" << (node ? node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!node) {
@@ -704,8 +709,9 @@ static int handle_mknod(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_lock(&fuse->global->lock);

    parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,

            parent_path, sizeof(parent_path));

    TRACE("[%d] MKNOD %s 0%o @ %" PRIx64 " (%s)\n", handler->token,

            name, req->mode, hdr->nodeid, parent_node ? parent_node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] MKNOD " << name << " 0" << std::oct << req->mode

               << " @ " << std::hex << hdr->nodeid

               << " (" << (parent_node ? parent_node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!parent_node || !(actual_name = find_file_within(parent_path, name,
@@ -733,8 +739,9 @@ static int handle_mkdir(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_lock(&fuse->global->lock);

    parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,

            parent_path, sizeof(parent_path));

    TRACE("[%d] MKDIR %s 0%o @ %" PRIx64 " (%s)\n", handler->token,

            name, req->mode, hdr->nodeid, parent_node ? parent_node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] MKDIR " << name << " 0" << std::oct << req->mode

               << " @ " << std::hex << hdr->nodeid

               << " (" << (parent_node ? parent_node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!parent_node || !(actual_name = find_file_within(parent_path, name,
@@ -781,8 +788,8 @@ static int handle_unlink(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_lock(&fuse->global->lock);

    parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,

            parent_path, sizeof(parent_path));

    TRACE("[%d] UNLINK %s @ %" PRIx64 " (%s)\n", handler->token,

            name, hdr->nodeid, parent_node ? parent_node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] UNLINK " << name << " @ " << std::hex << hdr->nodeid

               << " (" << (parent_node ? parent_node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!parent_node || !find_file_within(parent_path, name,
@@ -803,8 +810,9 @@ static int handle_unlink(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_unlock(&fuse->global->lock);

    if (parent_node && child_node) {

        /* Tell all other views that node is gone */

        TRACE("[%d] fuse_notify_delete parent=%" PRIx64 ", child=%" PRIx64 ", name=%s\n",

                handler->token, (uint64_t) parent_node->nid, (uint64_t) child_node->nid, name);

        DLOG(INFO) << "[" << handler->token << "] fuse_notify_delete"

                   << " parent=" << std::hex << parent_node->nid

                   << ", child=" << std::hex << child_node->nid << ", name=" << name;

        if (fuse != fuse->global->fuse_default) {

            fuse_notify_delete(fuse->global->fuse_default, parent_node->nid, child_node->nid, name);

        }
@@ -829,8 +837,8 @@ static int handle_rmdir(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_lock(&fuse->global->lock);

    parent_node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid,

            parent_path, sizeof(parent_path));

    TRACE("[%d] RMDIR %s @ %" PRIx64 " (%s)\n", handler->token,

            name, hdr->nodeid, parent_node ? parent_node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] UNLINK " << name << " @ " << std::hex << hdr->nodeid

               << " (" << (parent_node ? parent_node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!parent_node || !find_file_within(parent_path, name,
@@ -851,8 +859,9 @@ static int handle_rmdir(struct fuse* fuse, struct fuse_handler* handler, 
    pthread_mutex_unlock(&fuse->global->lock);

    if (parent_node && child_node) {

        /* Tell all other views that node is gone */

        TRACE("[%d] fuse_notify_delete parent=%" PRIx64 ", child=%" PRIx64 ", name=%s\n",

                handler->token, (uint64_t) parent_node->nid, (uint64_t) child_node->nid, name);

        DLOG(INFO) << "[" << handler->token << "] fuse_notify_delete"

                   << " parent=" << std::hex << parent_node->nid

                   << ", child=" << std::hex << child_node->nid << ", name=" << name;

        if (fuse != fuse->global->fuse_default) {

            fuse_notify_delete(fuse->global->fuse_default, parent_node->nid, child_node->nid, name);

        }
@@ -886,10 +895,11 @@ static int handle_rename(struct fuse* fuse, struct fuse_handler* handler, 
            old_parent_path, sizeof(old_parent_path));

    new_parent_node = lookup_node_and_path_by_id_locked(fuse, req->newdir,

            new_parent_path, sizeof(new_parent_path));

    TRACE("[%d] RENAME %s->%s @ %" PRIx64 " (%s) -> %" PRIx64 " (%s)\n", handler->token,

            old_name, new_name,

            hdr->nodeid, old_parent_node ? old_parent_node->name : "?",

            req->newdir, new_parent_node ? new_parent_node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] RENAME " << old_name << "->" << new_name

               << " @ " << std::hex << hdr->nodeid

               << " (" << (old_parent_node ? old_parent_node->name : "?") << ") -> "

               << std::hex << req->newdir

               << " (" << (new_parent_node ? new_parent_node->name : "?") << ")";

    if (!old_parent_node || !new_parent_node) {

        res = -ENOENT;

        goto lookup_error;
@@ -970,8 +980,8 @@ static int handle_open(struct fuse* fuse, struct fuse_handler* handler, 


    pthread_mutex_lock(&fuse->global->lock);

    node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));

    TRACE("[%d] OPEN 0%o @ %" PRIx64 " (%s)\n", handler->token,

            req->flags, hdr->nodeid, node ? node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] OPEN 0" << std::oct << req->flags

               << " @ " << std::hex << hdr->nodeid << " (" << (node ? node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!node) {
@@ -1018,8 +1028,8 @@ static int handle_read(struct fuse* fuse, struct fuse_handler* handler, 
     * overlaps the request buffer and will clobber data in the request.  This

     * saves us 128KB per request handler thread at the cost of this scary comment. */



    TRACE("[%d] READ %p(%d) %u@%" PRIu64 "\n", handler->token,

            h, h->fd, size, (uint64_t) offset);

    DLOG(INFO) << "[" << handler->token << "] READ " << std::hex << h << "(" << h->fd << ") "

               << size << "@" << offset;

    if (size > MAX_READ) {

        return -EINVAL;

    }
@@ -1045,8 +1055,8 @@ static int handle_write(struct fuse* fuse, struct fuse_handler* handler, 
        buffer = (const __u8*) aligned_buffer;

    }



    TRACE("[%d] WRITE %p(%d) %u@%" PRIu64 "\n", handler->token,

            h, h->fd, req->size, req->offset);

    DLOG(INFO) << "[" << handler->token << "] WRITE " << std::hex << h << "(" << h->fd << ") "

               << req->size << "@" << req->offset;

    res = pwrite64(h->fd, buffer, req->size, req->offset);

    if (res < 0) {

        return -errno;
@@ -1141,8 +1151,8 @@ static int handle_opendir(struct fuse* fuse, struct fuse_handler* handler, 


    pthread_mutex_lock(&fuse->global->lock);

    node = lookup_node_and_path_by_id_locked(fuse, hdr->nodeid, path, sizeof(path));

    TRACE("[%d] OPENDIR @ %" PRIx64 " (%s)\n", handler->token,

            hdr->nodeid, node ? node->name : "?");

    DLOG(INFO) << "[" << handler->token << "] OPENDIR @ " << std::hex << hdr->nodeid

               << " (" << (node ? node->name : "?") << ")";

    pthread_mutex_unlock(&fuse->global->lock);



    if (!node) {
@@ -1379,8 +1389,8 @@ static int handle_fuse_request(struct fuse *fuse, struct fuse_handler* handler, 
    }



    default: {

        TRACE("[%d] NOTIMPL op=%d uniq=%" PRIx64 " nid=%" PRIx64 "\n",

                handler->token, hdr->opcode, hdr->unique, hdr->nodeid);

        DLOG(INFO) << "[" << handler->token << "] NOTIMPL op=" << hdr->opcode

                   << "uniq=" << std::hex << hdr->unique << "nid=" << std::hex << hdr->nodeid;

        return -ENOSYS;

    }

    }

sdcard/fuse.h

+8 −2
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <map>

#include <string>



#include <android-base/logging.h>

#include <cutils/fs.h>

#include <cutils/log.h>

#include <cutils/multiuser.h>
@@ -40,15 +41,20 @@ 


#include <private/android_filesystem_config.h>



// TODO(b/30222003): Fix compilation with FUSE_TRACE == 1.

#define FUSE_TRACE 0



#if FUSE_TRACE

#define TRACE(x...) ALOGD(x)

#else

static constexpr bool kEnableDLog = true;

#else  // FUSE_TRACE == 0

#define TRACE(x...) do {} while (0)

static constexpr bool kEnableDLog = false;

#endif



// Use same strategy as DCHECK().

#define DLOG(x) \

    if (kEnableDLog) LOG(x)



#define ERROR(x...) ALOGE(x)



/* Maximum number of bytes to write in one request. */