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Flush device caches in buffered util cmds

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Add calls to our new device cache flushing helper in commands that use
buffered reads.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2023-01-18 10:52:02 -08:00
parent ddb5cce2a5
commit 3363b4fb79
3 changed files with 40 additions and 24 deletions
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utils/src/mkfs.c
+31 -19
View File
@@ -118,6 +118,33 @@ struct mkfs_args {
struct scoutfs_quorum_slot slots[SCOUTFS_QUORUM_MAX_SLOTS];
};
static int open_mkfs_dev(struct mkfs_args *args, char *path, mode_t mode, char *which)
{
int ret;
int fd = -1;
fd = open(path, mode);
if (fd < 0) {
ret = -errno;
fprintf(stderr, "failed to open %s dev '%s': %s (%d)\n",
which, path, strerror(errno), errno);
goto out;
}
ret = flush_device(fd);
if (ret < 0)
goto out;
if (!args->force)
ret = check_bdev(fd, path, which);
out:
if (ret < 0 && fd >= 0)
close(fd);
return ret ?: fd;
}
/*
* Make a new file system by writing:
* - super blocks
@@ -156,32 +183,17 @@ static int do_mkfs(struct mkfs_args *args)
gettimeofday(&tv, NULL);
pseudo_random_bytes(&fsid, sizeof(fsid));
meta_fd = open(args->meta_device, O_RDWR | O_EXCL);
meta_fd = open_mkfs_dev(args, args->meta_device, O_RDWR | O_EXCL, "meta");
if (meta_fd < 0) {
ret = -errno;
fprintf(stderr, "failed to open '%s': %s (%d)\n",
args->meta_device, strerror(errno), errno);
ret = meta_fd;
goto out;
}
if (!args->force) {
ret = check_bdev(meta_fd, args->meta_device, "meta");
if (ret)
return ret;
}
data_fd = open(args->data_device, O_RDWR | O_EXCL);
data_fd = open_mkfs_dev(args, args->data_device, O_RDWR | O_EXCL, "data");
if (data_fd < 0) {
ret = -errno;
fprintf(stderr, "failed to open '%s': %s (%d)\n",
args->data_device, strerror(errno), errno);
ret = data_fd;
goto out;
}
if (!args->force) {
ret = check_bdev(data_fd, args->data_device, "data");
if (ret)
return ret;
}
super = calloc(1, SCOUTFS_BLOCK_SM_SIZE);
bt = calloc(1, SCOUTFS_BLOCK_LG_SIZE);
utils/src/print.c
+6
View File
@@ -27,6 +27,7 @@
#include "avl.h"
#include "srch.h"
#include "leaf_item_hash.h"
#include "dev.h"
static void print_block_header(struct scoutfs_block_header *hdr, int size)
{
@@ -1107,7 +1108,12 @@ static int do_print(struct print_args *args)
return ret;
}
ret = flush_device(fd);
if (ret < 0)
goto out;
ret = print_volume(fd, args);
out:
close(fd);
return ret;
};