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fix: rename may updated mtime for some files/dirs (Wayne Sherman, Szaka)

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szaka 2007-08-09 14:11:54 +00:00
parent e1e987791b
commit a7e4d503e2
3 changed files with 27 additions and 6 deletions
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6
include/ntfs-3g/inode.h
View File

@ -48,6 +48,7 @@ typedef enum {
mft record and then to disk. */
NI_FileNameDirty, /* 1: FILE_NAME attributes need to be updated
in the index. */
NI_NoMtimeUpdate, /* 1: Don't update modifiction time. */
} ntfs_inode_state_bits;
#define test_nino_flag(ni, flag) test_bit(NI_##flag, (ni)->state)
@ -96,6 +97,11 @@ typedef enum {
#define NInoFileNameTestAndClearDirty(ni) \
test_and_clear_nino_flag(ni, FileNameDirty)
#define NInoNoMtimeUpdate(ni) test_nino_flag(ni, NoMtimeUpdate)
#define NInoSetNoMtimeUpdate(ni) set_nino_flag(ni, NoMtimeUpdate)
#define NInoClearNoMtimeUpdate(ni) clear_nino_flag(ni, NoMtimeUpdate)
#define NInoMtimeUpdate(ni) (!NInoNoMtimeUpdate(ni))
/**
* struct _ntfs_inode - The NTFS in-memory inode structure.
*

2
libntfs-3g/inode.c
View File

@ -1121,7 +1121,7 @@ void ntfs_inode_update_atime(ntfs_inode *ni)
*/
void ntfs_inode_update_time(ntfs_inode *ni)
{
if (!NVolReadOnly(ni->vol) &&
if (!NVolReadOnly(ni->vol) && NInoMtimeUpdate(ni) &&
(ni->mft_no >= FILE_first_user || ni->mft_no == FILE_root)) {
time_t now;

25
src/ntfs-3g.c
View File

@ -951,7 +951,13 @@ static int ntfs_fuse_symlink(const char *to, const char *from)
return ntfs_fuse_create(from, S_IFLNK, 0, to);
}
static int ntfs_fuse_link(const char *old_path, const char *new_path)
/**
* NOTE: About the role of mtime: during rename(3), which is currently
* implemented by the help of link() operations, modification time mustn't
* be updated, so we NInoSetNoMtimeUpdate() such inodes after they are opened.
* This is not very nice itself but it may be eliminated, in time.
*/
static int ntfs_fuse_ln(const char *old_path, const char *new_path, int mtime)
{
char *name;
ntfschar *uname = NULL;
@ -972,6 +978,10 @@ static int ntfs_fuse_link(const char *old_path, const char *new_path)
res = -errno;
goto exit;
}
if (!mtime)
NInoSetNoMtimeUpdate(ni);
/* Generate unicode filename. */
name = strrchr(path, '/');
name++;
@ -1005,6 +1015,11 @@ exit:
return res;
}
static int ntfs_fuse_link(const char *old_path, const char *new_path)
{
return ntfs_fuse_ln(old_path, new_path, 1);
}
static int ntfs_fuse_rm(const char *org_path)
{
char *name;
@ -1098,14 +1113,14 @@ static int ntfs_fuse_safe_rename(const char *old_path,
ntfs_log_trace("Entering\n");
ret = ntfs_fuse_link(new_path, tmp);
ret = ntfs_fuse_ln(new_path, tmp, 0);
if (ret)
return ret;
ret = ntfs_fuse_unlink(new_path);
if (!ret) {
ret = ntfs_fuse_link(old_path, new_path);
ret = ntfs_fuse_ln(old_path, new_path, 0);
if (ret)
goto restore;
@ -1119,7 +1134,7 @@ static int ntfs_fuse_safe_rename(const char *old_path,
goto cleanup;
restore:
if (ntfs_fuse_link(tmp, new_path)) {
if (ntfs_fuse_ln(tmp, new_path, 0)) {
err:
ntfs_log_perror("Rename failed. Existing file '%s' was renamed "
"to '%s'", new_path, tmp);
@ -1188,7 +1203,7 @@ static int ntfs_fuse_rename(const char *old_path, const char *new_path)
goto out;
}
ret = ntfs_fuse_link(old_path, new_path);
ret = ntfs_fuse_ln(old_path, new_path, 0);
if (ret)
goto out;