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cifs: make cnvrtDosUnixTm take a little-endian args and an offset 

The callers primarily end up converting the args from le anyway. Also,
most of the callers end up needing to add an offset to the result. The
exception to these rules is cnvrtDosCifsTm, but there are no callers of
that function, so we might as well remove it.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2009-05-27 09:37:33 -04:00 committed by Steve French
parent 07119a4df8
commit c4a2c08db7
4 changed files with 18 additions and 34 deletions
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4
fs/cifs/cifsproto.h
View File

@ -92,8 +92,8 @@ extern void DeleteOplockQEntry(struct oplock_q_entry *);
extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
extern u64 cifs_UnixTimeToNT(struct timespec);
extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
int offset);
extern int cifs_posix_open(char *full_path, struct inode **pinode,
struct super_block *sb, int mode, int oflags,

4
fs/cifs/cifssmb.c
View File

@ -524,8 +524,8 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
int val, seconds, remain, result;
struct timespec ts, utc;
utc = CURRENT_TIME;
ts = cnvrtDosUnixTm(le16_to_cpu(rsp->SrvTime.Date),
le16_to_cpu(rsp->SrvTime.Time));
ts = cnvrtDosUnixTm(rsp->SrvTime.Date,
rsp->SrvTime.Time, 0);
cFYI(1, ("SrvTime %d sec since 1970 (utc: %d) diff: %d",
(int)ts.tv_sec, (int)utc.tv_sec,
(int)(utc.tv_sec - ts.tv_sec)));

12
fs/cifs/netmisc.c
View File

@ -883,16 +883,12 @@ cifs_UnixTimeToNT(struct timespec t)
static int total_days_of_prev_months[] =
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
__le64 cnvrtDosCifsTm(__u16 date, __u16 time)
{
return cpu_to_le64(cifs_UnixTimeToNT(cnvrtDosUnixTm(date, time)));
}
struct timespec cnvrtDosUnixTm(__u16 date, __u16 time)
struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset)
{
struct timespec ts;
int sec, min, days, month, year;
u16 date = le16_to_cpu(le_date);
u16 time = le16_to_cpu(le_time);
SMB_TIME *st = (SMB_TIME *)&time;
SMB_DATE *sd = (SMB_DATE *)&date;
@ -933,7 +929,7 @@ struct timespec cnvrtDosUnixTm(__u16 date, __u16 time)
days -= ((year & 0x03) == 0) && (month < 2 ? 1 : 0);
sec += 24 * 60 * 60 * days;
ts.tv_sec = sec;
ts.tv_sec = sec + offset;
/* cFYI(1,("sec after cnvrt dos to unix time %d",sec)); */

32
fs/cifs/readdir.c
View File

@ -115,17 +115,6 @@ construct_dentry(struct qstr *qstring, struct file *file,
return rc;
}
static void AdjustForTZ(struct cifsTconInfo *tcon, struct inode *inode)
{
if ((tcon) && (tcon->ses) && (tcon->ses->server)) {
inode->i_ctime.tv_sec += tcon->ses->server->timeAdj;
inode->i_mtime.tv_sec += tcon->ses->server->timeAdj;
inode->i_atime.tv_sec += tcon->ses->server->timeAdj;
}
return;
}
static void fill_in_inode(struct inode *tmp_inode, int new_buf_type,
char *buf, unsigned int *pobject_type, int isNewInode)
{
@ -156,20 +145,19 @@ static void fill_in_inode(struct inode *tmp_inode, int new_buf_type,
tmp_inode->i_ctime =
cifs_NTtimeToUnix(pfindData->ChangeTime);
} else { /* legacy, OS2 and DOS style */
/* struct timespec ts;*/
int offset = cifs_sb->tcon->ses->server->timeAdj;
FIND_FILE_STANDARD_INFO *pfindData =
(FIND_FILE_STANDARD_INFO *)buf;
tmp_inode->i_mtime = cnvrtDosUnixTm(
le16_to_cpu(pfindData->LastWriteDate),
le16_to_cpu(pfindData->LastWriteTime));
tmp_inode->i_atime = cnvrtDosUnixTm(
le16_to_cpu(pfindData->LastAccessDate),
le16_to_cpu(pfindData->LastAccessTime));
tmp_inode->i_ctime = cnvrtDosUnixTm(
le16_to_cpu(pfindData->LastWriteDate),
le16_to_cpu(pfindData->LastWriteTime));
AdjustForTZ(cifs_sb->tcon, tmp_inode);
tmp_inode->i_mtime = cnvrtDosUnixTm(pfindData->LastWriteDate,
pfindData->LastWriteTime,
offset);
tmp_inode->i_atime = cnvrtDosUnixTm(pfindData->LastAccessDate,
pfindData->LastAccessTime,
offset);
tmp_inode->i_ctime = cnvrtDosUnixTm(pfindData->LastWriteDate,
pfindData->LastWriteTime,
offset);
attr = le16_to_cpu(pfindData->Attributes);
allocation_size = le32_to_cpu(pfindData->AllocationSize);
end_of_file = le32_to_cpu(pfindData->DataSize);