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From: Jan Kara <jack@suse.cz>
To: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/6] udf: convert udf_stamp_to_time to return struct timespec
Date: Wed, 6 Feb 2008 14:25:39 +0100	[thread overview]
Message-ID: <20080206132539.GG12547@duck.suse.cz> (raw)
In-Reply-To: <20080205191136.GA6234@joi>

On Tue 05-02-08 20:12:05, Marcin Slusarz wrote:
> On Tue, Feb 05, 2008 at 04:48:31PM +0100, Jan Kara wrote:
> > 
> >   Uh, oh. I guess you somehow mangled the ordering of patches. In this
> > patch you revert what you've done in the previous patch. Otherwise I agree
> > with the idea of the change...
> No, the ordering is ok. Creation of udf_fill_inode_time was an intermediate
> state in this cleanup. Every step is obvious and easy. When I tried to create
> just one patch it didn't look so obvious, so I decided to send it in 4 parts.
  Ah, OK then.

									Honza

> > On Sun 03-02-08 19:36:08, marcin.slusarz@gmail.com wrote:
> > > Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
> > > Cc: Jan Kara <jack@suse.cz>
> > > ---
> > >  fs/udf/inode.c   |   49 ++++++++++++++++++++++++++-----------------------
> > >  fs/udf/super.c   |    9 ++-------
> > >  fs/udf/udfdecl.h |    4 ++--
> > >  fs/udf/udftime.c |   17 +++++++----------
> > >  4 files changed, 37 insertions(+), 42 deletions(-)
> > > 
> > > diff --git a/fs/udf/inode.c b/fs/udf/inode.c
> > > index 2578677..252efe0 100644
> > > --- a/fs/udf/inode.c
> > > +++ b/fs/udf/inode.c
> > > @@ -1151,20 +1151,6 @@ static void __udf_read_inode(struct inode *inode)
> > >  	brelse(bh);
> > >  }
> > >  
> > > -static void udf_fill_inode_time(struct timespec *tspec,
> > > -				const timestamp *tstamp,
> > > -				struct udf_sb_info *sbi)
> > > -{
> > > -	time_t convtime;
> > > -	long convtime_usec;
> > > -	if (udf_stamp_to_time(&convtime, &convtime_usec,
> > > -				lets_to_cpu(*tstamp))) {
> > > -		tspec->tv_sec = convtime;
> > > -		tspec->tv_nsec = convtime_usec * 1000;
> > > -	} else
> > > -		*tspec = sbi->s_record_time;
> > > -}
> > > -
> > 
> > >  static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
> > >  {
> > >  	struct fileEntry *fe;
> > > @@ -1256,10 +1242,17 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
> > >  		inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
> > >  			(inode->i_sb->s_blocksize_bits - 9);
> > >  
> > > -		udf_fill_inode_time(&inode->i_atime, &fe->accessTime, sbi);
> > > -		udf_fill_inode_time(&inode->i_mtime, &fe->modificationTime,
> > > -				    sbi);
> > > -		udf_fill_inode_time(&inode->i_ctime, &fe->attrTime, sbi);
> > > +		if (!udf_stamp_to_time(&inode->i_atime,
> > > +					lets_to_cpu(fe->accessTime)))
> > > +			inode->i_atime = sbi->s_record_time;
> > > +
> > > +		if (!udf_stamp_to_time(&inode->i_mtime,
> > > +					lets_to_cpu(fe->modificationTime)))
> > > +			inode->i_mtime = sbi->s_record_time;
> > > +
> > > +		if (!udf_stamp_to_time(&inode->i_ctime,
> > > +					lets_to_cpu(fe->attrTime)))
> > > +			inode->i_ctime = sbi->s_record_time;
> > >  
> > >  		iinfo->i_unique = le64_to_cpu(fe->uniqueID);
> > >  		iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
> > > @@ -1269,11 +1262,21 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
> > >  		inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
> > >  		    (inode->i_sb->s_blocksize_bits - 9);
> > >  
> > > -		udf_fill_inode_time(&inode->i_atime, &efe->accessTime, sbi);
> > > -		udf_fill_inode_time(&inode->i_mtime, &efe->modificationTime,
> > > -				    sbi);
> > > -		udf_fill_inode_time(&iinfo->i_crtime, &efe->createTime, sbi);
> > > -		udf_fill_inode_time(&inode->i_ctime, &efe->attrTime, sbi);
> > > +		if (!udf_stamp_to_time(&inode->i_atime,
> > > +					lets_to_cpu(efe->accessTime)))
> > > +			inode->i_atime = sbi->s_record_time;
> > > +
> > > +		if (!udf_stamp_to_time(&inode->i_mtime,
> > > +					lets_to_cpu(efe->modificationTime)))
> > > +			inode->i_mtime = sbi->s_record_time;
> > > +
> > > +		if (!udf_stamp_to_time(&iinfo->i_crtime,
> > > +					lets_to_cpu(efe->createTime)))
> > > +			iinfo->i_crtime = sbi->s_record_time;
> > > +
> > > +		if (!udf_stamp_to_time(&inode->i_ctime,
> > > +					lets_to_cpu(efe->attrTime)))
> > > +			inode->i_ctime = sbi->s_record_time;
> > >  
> > >  		iinfo->i_unique = le64_to_cpu(efe->uniqueID);
> > >  		iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);
> > > diff --git a/fs/udf/super.c b/fs/udf/super.c
> > > index 0dcee12..9f565a9 100644
> > > --- a/fs/udf/super.c
> > > +++ b/fs/udf/super.c
> > > @@ -909,24 +909,19 @@ static int udf_find_fileset(struct super_block *sb,
> > >  static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
> > >  {
> > >  	struct primaryVolDesc *pvoldesc;
> > > -	time_t recording;
> > > -	long recording_usec;
> > >  	struct ustr instr;
> > >  	struct ustr outstr;
> > >  
> > >  	pvoldesc = (struct primaryVolDesc *)bh->b_data;
> > >  
> > > -	if (udf_stamp_to_time(&recording, &recording_usec,
> > > +	if (udf_stamp_to_time(&UDF_SB(sb)->s_record_time,
> > >  			      lets_to_cpu(pvoldesc->recordingDateAndTime))) {
> > >  		kernel_timestamp ts;
> > >  		ts = lets_to_cpu(pvoldesc->recordingDateAndTime);
> > > -		udf_debug("recording time %ld/%ld, %04u/%02u/%02u"
> > > +		udf_debug("recording time %04u/%02u/%02u"
> > >  			  " %02u:%02u (%x)\n",
> > > -			  recording, recording_usec,
> > >  			  ts.year, ts.month, ts.day, ts.hour,
> > >  			  ts.minute, ts.typeAndTimezone);
> > > -		UDF_SB(sb)->s_record_time.tv_sec = recording;
> > > -		UDF_SB(sb)->s_record_time.tv_nsec = recording_usec * 1000;
> > >  	}
> > >  
> > >  	if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32))
> > > diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
> > > index 375be1b..508be85 100644
> > > --- a/fs/udf/udfdecl.h
> > > +++ b/fs/udf/udfdecl.h
> > > @@ -204,7 +204,7 @@ extern short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
> > >  extern uint16_t udf_crc(const uint8_t *, uint32_t, uint16_t);
> > >  
> > >  /* udftime.c */
> > > -extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
> > > -extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
> > > +extern struct timespec *udf_stamp_to_time(struct timespec *dest, kernel_timestamp src);
> > > +extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *dest, struct timespec src);
> > >  
> > >  #endif				/* __UDF_DECL_H */
> > > diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c
> > > index ce59573..12fae6c 100644
> > > --- a/fs/udf/udftime.c
> > > +++ b/fs/udf/udftime.c
> > > @@ -85,7 +85,7 @@ extern struct timezone sys_tz;
> > >  #define SECS_PER_HOUR	(60 * 60)
> > >  #define SECS_PER_DAY	(SECS_PER_HOUR * 24)
> > >  
> > > -time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
> > > +struct timespec *udf_stamp_to_time(struct timespec *dest, kernel_timestamp src)
> > >  {
> > >  	int yday;
> > >  	uint8_t type = src.typeAndTimezone >> 12;
> > > @@ -97,23 +97,20 @@ time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
> > >  		offset = (offset >> 4);
> > >  		if (offset == -2047) /* unspecified offset */
> > >  			offset = 0;
> > > -	} else {
> > > +	} else
> > >  		offset = 0;
> > > -	}
> > >  
> > >  	if ((src.year < EPOCH_YEAR) ||
> > >  	    (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) {
> > > -		*dest = -1;
> > > -		*dest_usec = -1;
> > >  		return NULL;
> > >  	}
> > > -	*dest = year_seconds[src.year - EPOCH_YEAR];
> > > -	*dest -= offset * 60;
> > > +	dest->tv_sec = year_seconds[src.year - EPOCH_YEAR];
> > > +	dest->tv_sec -= offset * 60;
> > >  
> > >  	yday = ((__mon_yday[__isleap(src.year)][src.month - 1]) + src.day - 1);
> > > -	*dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second;
> > > -	*dest_usec = src.centiseconds * 10000 +
> > > -			src.hundredsOfMicroseconds * 100 + src.microseconds;
> > > +	dest->tv_sec += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second;
> > > +	dest->tv_nsec = 1000 * (src.centiseconds * 10000 +
> > > +			src.hundredsOfMicroseconds * 100 + src.microseconds);
> > >  	return dest;
> > >  }
> > >  
> > > -- 
> > > 1.5.3.7
> > 
> > 									Honza
> > -- 
> > Jan Kara <jack@suse.cz>
> > SUSE Labs, CR
-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR

  reply	other threads:[~2008-02-06 13:25 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-03 18:36 [PATCH 0/6] udf: next round of cleanups marcin.slusarz
2008-02-03 18:36 ` [PATCH 1/6] udf: udf_get_block, inode_bmap - remove unneeded checks marcin.slusarz
2008-02-05 15:30   ` Jan Kara
2008-02-03 18:36 ` [PATCH 2/6] udf: create function for conversion from timestamp to timespec marcin.slusarz
2008-02-05 15:32   ` Jan Kara
2008-02-03 18:36 ` [PATCH 3/6] udf: convert udf_stamp_to_time to return struct timespec marcin.slusarz
2008-02-05 15:48   ` Jan Kara
2008-02-05 19:12     ` Marcin Slusarz
2008-02-06 13:25       ` Jan Kara [this message]
2008-02-03 18:36 ` [PATCH 4/6] udf: convert udf_stamp_to_time and udf_time_to_stamp to use timestamps marcin.slusarz
2008-02-05 15:59   ` Jan Kara
2008-02-05 19:21     ` Marcin Slusarz
2008-02-06 11:10       ` Jan Kara
2008-02-10 10:25         ` Marcin Slusarz
2008-02-03 18:36 ` [PATCH 5/6] udf: remove unneeded kernel_timestamp type marcin.slusarz
2008-02-05 16:01   ` Jan Kara
2008-02-10 10:29     ` Marcin Slusarz
2008-02-03 18:42 ` [PATCH 6/6] udf: super.c reorganization Marcin Slusarz
2008-02-05 16:22   ` Jan Kara
2008-02-05 19:34     ` Marcin Slusarz
2008-02-06 11:09       ` Jan Kara
2008-02-10 10:33         ` Marcin Slusarz

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