lian/zvfs
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

postgres hook 测试成功

Browse Source
This commit is contained in:
1iaan
2026-03-13 01:59:05 +00:00
parent a153ca5040
commit 544f532bf5
53 changed files with 5964 additions and 1674 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/hook/zvfs_hook_seek.c
View File

@@ -69,21 +69,21 @@ off_t lseek64(int fd, off_t offset, int whence)
/*
* zvfs_truncate_by_inode - 对有 handle 的 openfile 做 truncate。
* 找到任意一个打开该 inode 的 openfile 取其 handle。
* zvfs_truncate_by_inode - 对有 handle_id 的 openfile 做 truncate。
* 找到任意一个打开该 inode 的 openfile 取其 handle_id。
*/
static int
zvfs_truncate_inode_with_handle(struct zvfs_inode *inode,
int real_fd, uint64_t new_size)
{
/* 在 fd_table 里找一个指向该 inode 的 openfile 取 handle */
struct zvfs_blob_handle *handle = NULL;
/* 在 fd_table 里找一个指向该 inode 的 openfile 取 handle_id */
uint64_t handle_id = 0;
pthread_mutex_lock(&g_fs.fd_mu);
struct zvfs_open_file *of, *tmp;
HASH_ITER(hh, g_fs.fd_table, of, tmp) {
(void)tmp;
if (of->inode == inode) {
handle = of->handle;
handle_id = of->handle_id;
break;
}
}
@@ -93,20 +93,23 @@ zvfs_truncate_inode_with_handle(struct zvfs_inode *inode,
uint64_t old_size = inode->logical_size;
pthread_mutex_unlock(&inode->mu);
if (new_size != old_size && handle) {
if (blob_resize(handle, new_size) < 0) {
if (new_size != old_size && handle_id != 0) {
if (blob_resize(handle_id, new_size) < 0) {
errno = EIO;
return -1;
}
} else if (new_size != old_size && !handle) {
} else if (new_size != old_size && handle_id == 0) {
/*
* 文件未被打开：需要临时 blob_open。
* 这种情况下 truncate(path, ...) 被调用但文件没有 fd。
*/
handle = blob_open(inode->blob_id);
if (!handle) { errno = EIO; return -1; }
int rc = blob_resize(handle, new_size);
blob_close(handle);
uint64_t temp_handle_id = 0;
if (blob_open(inode->blob_id, &temp_handle_id) < 0) {
errno = EIO;
return -1;
}
int rc = blob_resize(temp_handle_id, new_size);
blob_close(temp_handle_id);
if (rc < 0) { errno = EIO; return -1; }
}