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libfiemap: delete unuseful check 

Just let fallocate fails. It also doesn't check for the delta between
the old file and the new file.

Test: unit tests
Change-Id: I05e12b097a973d9fe7fe696cc472bd7ec2d180c7
This commit is contained in:
Yifan Hong 2019-12-27 12:10:27 -08:00
parent d1e9812217
commit 0ede9b43e5
1 changed files with 2 additions and 9 deletions
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11
fs_mgr/libfiemap/fiemap_writer.cpp
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@ -233,8 +233,7 @@ static uint64_t GetFileSize(const std::string& file_path) {
return sb.st_size;
}
static bool PerformFileChecks(const std::string& file_path, uint64_t file_size, uint64_t* blocksz,
uint32_t* fs_type) {
static bool PerformFileChecks(const std::string& file_path, uint64_t* blocksz, uint32_t* fs_type) {
struct statfs64 sfs;
if (statfs64(file_path.c_str(), &sfs)) {
PLOG(ERROR) << "Failed to read file system status at: " << file_path;
@ -258,12 +257,6 @@ static bool PerformFileChecks(const std::string& file_path, uint64_t file_size,
return false;
}
uint64_t available_bytes = sfs.f_bsize * sfs.f_bavail;
if (access(file_path.c_str(), F_OK) != 0 && available_bytes <= file_size) {
LOG(ERROR) << "Not enough free space in file system to create file of size : " << file_size;
return false;
}
*blocksz = sfs.f_bsize;
*fs_type = sfs.f_type;
return true;
@ -732,7 +725,7 @@ FiemapUniquePtr FiemapWriter::Open(const std::string& file_path, uint64_t file_s
uint64_t blocksz;
uint32_t fs_type;
if (!PerformFileChecks(abs_path, file_size, &blocksz, &fs_type)) {
if (!PerformFileChecks(abs_path, &blocksz, &fs_type)) {
LOG(ERROR) << "Failed to validate file or file system for file:" << abs_path;
cleanup(abs_path, create);
return nullptr;