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Btrfs-progs: remove unsed pthread attribute objects

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Threads always use default attributes in all tools, so pthread
attribute objects and their initializations are of no use. Just pass
NULL as attr attribute to pthread_create for default attributes.

Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Rakesh Pandit 2014-03-24 11:04:47 +02:00 committed by David Sterba
parent a185d8541a
commit 08255d5342
3 changed files with 4 additions and 27 deletions
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13
cmds-scrub.c
View File

@ -1086,7 +1086,6 @@ static int scrub_start(int argc, char **argv, int resume)
};
pthread_t *t_devs = NULL;
pthread_t t_prog;
pthread_attr_t t_attr;
struct scrub_file_record **past_scrubs = NULL;
struct scrub_file_record *last_scrub = NULL;
char *datafile = strdup(SCRUB_DATA_FILE);
@ -1221,14 +1220,6 @@ static int scrub_start(int argc, char **argv, int resume)
goto out;
}
ret = pthread_attr_init(&t_attr);
if (ret) {
ERR(!do_quiet, "ERROR: pthread_attr_init failed: %s\n",
strerror(ret));
err = 1;
goto out;
}
for (i = 0; i < fi_args.num_devices; ++i) {
devid = di_args[i].devid;
ret = pthread_mutex_init(&sp[i].progress_mutex, NULL);
@ -1376,7 +1367,7 @@ static int scrub_start(int argc, char **argv, int resume)
devid = di_args[i].devid;
gettimeofday(&tv, NULL);
sp[i].stats.t_start = tv.tv_sec;
ret = pthread_create(&t_devs[i], &t_attr,
ret = pthread_create(&t_devs[i], NULL,
scrub_one_dev, &sp[i]);
if (ret) {
if (do_print)
@ -1394,7 +1385,7 @@ static int scrub_start(int argc, char **argv, int resume)
spc.write_mutex = &spc_write_mutex;
spc.shared_progress = sp;
spc.fi = &fi_args;
ret = pthread_create(&t_prog, &t_attr, scrub_progress_cycle, &spc);
ret = pthread_create(&t_prog, NULL, scrub_progress_cycle, &spc);
if (ret) {
if (do_print)
fprintf(stderr, "ERROR: creating progress thread "

7
cmds-send.c
View File

@ -240,7 +240,6 @@ static int do_send(struct btrfs_send *send, u64 parent_root_id,
{
int ret;
pthread_t t_read;
pthread_attr_t t_attr;
struct btrfs_ioctl_send_args io_send;
void *t_err = NULL;
int subvol_fd = -1;
@ -254,8 +253,6 @@ static int do_send(struct btrfs_send *send, u64 parent_root_id,
goto out;
}
ret = pthread_attr_init(&t_attr);
ret = pipe(pipefd);
if (ret < 0) {
ret = -errno;
@ -268,7 +265,7 @@ static int do_send(struct btrfs_send *send, u64 parent_root_id,
send->send_fd = pipefd[0];
if (!ret)
ret = pthread_create(&t_read, &t_attr, dump_thread,
ret = pthread_create(&t_read, NULL, dump_thread,
send);
if (ret) {
ret = -ret;
@ -317,8 +314,6 @@ static int do_send(struct btrfs_send *send, u64 parent_root_id,
goto out;
}
pthread_attr_destroy(&t_attr);
ret = 0;
out:

11
send-test.c
View File

@ -371,7 +371,6 @@ int main(int argc, char **argv)
int ret = 0;
int subvol_fd;
pthread_t t_read;
pthread_attr_t t_attr;
void *t_err = NULL;
struct recv_args r;
@ -401,13 +400,6 @@ int main(int argc, char **argv)
goto out;
}
ret = pthread_attr_init(&t_attr);
if (ret < 0) {
fprintf(stderr, "ERROR: pthread init failed. %s\n",
strerror(ret));
goto out;
}
ret = pipe(pipefd);
if (ret < 0) {
ret = errno;
@ -415,7 +407,7 @@ int main(int argc, char **argv)
goto out;
}
ret = pthread_create(&t_read, &t_attr, process_thread, &r);
ret = pthread_create(&t_read, NULL, process_thread, &r);
if (ret < 0) {
ret = errno;
fprintf(stderr, "ERROR: pthread create failed. %s\n",
@ -452,7 +444,6 @@ int main(int argc, char **argv)
goto out;
}
pthread_attr_destroy(&t_attr);
out:
return !!ret;
}