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Dhfs-fuse: fix ctime

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This commit is contained in:
Stepan Usatiuk
2025-05-14 11:39:40 +02:00
parent e7f5be689f
commit afb6f0c270
3 changed files with 16 additions and 12 deletions
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13
dhfs-parent/dhfs-fs/src/main/java/com/usatiuk/dhfsfs/objects/File.java
View File

@@ -11,10 +11,11 @@ import java.util.Set;
/**
* File is a data structure that represents a file in the file system
* @param key unique key
* @param mode file mode
* @param cTime creation time
* @param mTime modification time
*
* @param key unique key
* @param mode file mode
* @param cTime inode modification time
* @param mTime modification time
* @param symlink true if the file is a symlink, false otherwise
*/
public record File(JObjectKey key, long mode, long cTime, long mTime,
@@ -40,6 +41,10 @@ public record File(JObjectKey key, long mode, long cTime, long mTime,
return new File(key, mode, cTime, System.currentTimeMillis(), symlink);
}
public File withCurrentCTime() {
return new File(key, mode, System.currentTimeMillis(), mTime, symlink);
}
@Override
public Collection<JObjectKey> collectRefsTo() {
return Set.of();

7
dhfs-parent/dhfs-fs/src/main/java/com/usatiuk/dhfsfs/service/DhfsFileService.java
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@@ -289,7 +289,7 @@ public class DhfsFileService {
} else if (dent instanceof RemoteObjectMeta) {
var remote = remoteTx.getData(JDataRemote.class, uuid).orElse(null);
if (remote instanceof File f) {
remoteTx.putData(f.withMode(mode).withCurrentMTime());
remoteTx.putData(f.withMode(mode).withCurrentCTime());
return true;
} else {
throw new IllegalArgumentException(uuid + " is not a file");
@@ -723,11 +723,10 @@ public class DhfsFileService {
* Set the access and modification times of a file.
*
* @param fileUuid the ID of the file
* @param atimeMs the access time in milliseconds
* @param mtimeMs the modification time in milliseconds
* @return true if the times were set successfully, false otherwise
*/
public Boolean setTimes(JObjectKey fileUuid, long atimeMs, long mtimeMs) {
public Boolean setTimes(JObjectKey fileUuid, long mtimeMs) {
return jObjectTxManager.executeTx(() -> {
var dent = curTx.get(JData.class, fileUuid).orElseThrow(() -> new StatusRuntimeExceptionNoStacktrace(Status.NOT_FOUND));
@@ -737,7 +736,7 @@ public class DhfsFileService {
} else if (dent instanceof RemoteObjectMeta) {
var remote = remoteTx.getData(JDataRemote.class, fileUuid).orElse(null);
if (remote instanceof File f) {
remoteTx.putData(f.withCTime(atimeMs).withMTime(mtimeMs));
remoteTx.putData(f.withCTime(System.currentTimeMillis()).withMTime(mtimeMs));
return true;
} else {
throw new IllegalArgumentException(fileUuid + " is not a file");

8
dhfs-parent/dhfs-fuse/src/main/java/com/usatiuk/dhfsfuse/DhfsFuse.java
View File

@@ -188,8 +188,9 @@ public class DhfsFuse extends FuseStubFS {
stat.st_ctim.tv_nsec.set((found.get().ctime() % 1000) * 1000);
stat.st_mtim.tv_sec.set(found.get().mtime() / 1000);
stat.st_mtim.tv_nsec.set((found.get().mtime() % 1000) * 1000);
stat.st_atim.tv_sec.set(found.get().mtime() / 1000);
stat.st_atim.tv_nsec.set((found.get().mtime() % 1000) * 1000);
var atime = Math.max(found.get().ctime(), found.get().mtime());
stat.st_atim.tv_sec.set(atime / 1000);
stat.st_atim.tv_nsec.set((atime % 1000) * 1000000L);
stat.st_blksize.set(blksize);
} catch (Throwable e) {
Log.error("When getattr " + path, e);
@@ -205,8 +206,7 @@ public class DhfsFuse extends FuseStubFS {
if (fileOpt.isEmpty()) return -ErrorCodes.ENOENT();
var file = fileOpt.get();
var res = fileService.setTimes(file,
timespec[0].tv_sec.get() * 1000,
timespec[1].tv_sec.get() * 1000);
timespec[1].tv_sec.get() * 1000L + timespec[1].tv_nsec.longValue() / 1000000L);
if (!res) return -ErrorCodes.EINVAL();
else return 0;
} catch (Throwable e) {