All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Benoît Thébaudeau" <benoit@wsystem.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 4/5] fs/fat/fat_write: Factor out duplicate code
Date: Mon, 28 Sep 2015 15:45:31 +0200	[thread overview]
Message-ID: <1443447932-14139-4-git-send-email-benoit@wsystem.com> (raw)
In-Reply-To: <1443447932-14139-1-git-send-email-benoit@wsystem.com>

Signed-off-by: Beno?t Th?baudeau <benoit@wsystem.com>
---
 fs/fat/fat_write.c | 72 +++++++++++++++++-------------------------------------
 1 file changed, 22 insertions(+), 50 deletions(-)

diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index 2399844..2d032ee 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -1028,10 +1028,7 @@ static int do_fat_write(const char *filename, void *buffer, loff_t size,
 	if (retdent) {
 		/* Update file size and start_cluster in a directory entry */
 		retdent->size = cpu_to_le32(size);
-		start_cluster = FAT2CPU16(retdent->start);
-		if (mydata->fatsize == 32)
-			start_cluster |=
-				(FAT2CPU16(retdent->starthi) << 16);
+		start_cluster = START(retdent);
 
 		ret = check_overflow(mydata, start_cluster, size);
 		if (ret) {
@@ -1044,29 +1041,6 @@ static int do_fat_write(const char *filename, void *buffer, loff_t size,
 			printf("Error: clearing FAT entries\n");
 			goto exit;
 		}
-
-		ret = set_contents(mydata, retdent, buffer, size, actwrite);
-		if (ret < 0) {
-			printf("Error: writing contents\n");
-			goto exit;
-		}
-		debug("attempt to write 0x%llx bytes\n", *actwrite);
-
-		/* Flush fat buffer */
-		ret = flush_fat_buffer(mydata);
-		if (ret) {
-			printf("Error: flush fat buffer\n");
-			goto exit;
-		}
-
-		/* Write directory table to device */
-		ret = set_cluster(mydata, dir_curclust,
-			    get_dentfromdir_block,
-			    mydata->clust_size * mydata->sect_size);
-		if (ret) {
-			printf("Error: writing directory entry\n");
-			goto exit;
-		}
 	} else {
 		/* Set short name to set alias checksum field in dir_slot */
 		set_name(empty_dentptr, filename);
@@ -1088,31 +1062,29 @@ static int do_fat_write(const char *filename, void *buffer, loff_t size,
 		fill_dentry(mydata, empty_dentptr, filename,
 			start_cluster, size, 0x20);
 
-		ret = set_contents(mydata, empty_dentptr, buffer, size,
-				   actwrite);
-		if (ret < 0) {
-			printf("Error: writing contents\n");
-			goto exit;
-		}
-		debug("attempt to write 0x%llx bytes\n", *actwrite);
-
-		/* Flush fat buffer */
-		ret = flush_fat_buffer(mydata);
-		if (ret) {
-			printf("Error: flush fat buffer\n");
-			goto exit;
-		}
-
-		/* Write directory table to device */
-		ret = set_cluster(mydata, dir_curclust,
-			    get_dentfromdir_block,
-			    mydata->clust_size * mydata->sect_size);
-		if (ret) {
-			printf("Error: writing directory entry\n");
-			goto exit;
-		}
+		retdent = empty_dentptr;
 	}
 
+	ret = set_contents(mydata, retdent, buffer, size, actwrite);
+	if (ret < 0) {
+		printf("Error: writing contents\n");
+		goto exit;
+	}
+	debug("attempt to write 0x%llx bytes\n", *actwrite);
+
+	/* Flush fat buffer */
+	ret = flush_fat_buffer(mydata);
+	if (ret) {
+		printf("Error: flush fat buffer\n");
+		goto exit;
+	}
+
+	/* Write directory table to device */
+	ret = set_cluster(mydata, dir_curclust, get_dentfromdir_block,
+			mydata->clust_size * mydata->sect_size);
+	if (ret)
+		printf("Error: writing directory entry\n");
+
 exit:
 	free(mydata->fatbuf);
 	return ret;
-- 
2.1.4

  parent reply	other threads:[~2015-09-28 13:45 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-12 12:46 [U-Boot] fatwrite problem Ruud Commandeur
2013-04-12 14:11 ` Mats Kärrman
2013-04-12 15:06   ` Ruud Commandeur
2013-04-12 15:12     ` Tom Rini
2013-04-12 15:23       ` Ruud Commandeur
2013-04-12 15:43         ` Tom Rini
2013-04-12 19:39       ` Benoît Thébaudeau
2013-04-12 20:42         ` Tom Rini
2013-04-12 21:17           ` Benoît Thébaudeau
2013-04-16  9:32             ` Ruud Commandeur
2013-05-14 15:13             ` Ruud Commandeur
2013-05-14 15:31               ` Tom Rini
2015-09-28 13:45         ` [U-Boot] [PATCH 1/5] fs/fat/fat_write: Fix buffer alignments Benoît Thébaudeau
2015-09-28 13:45           ` [U-Boot] [PATCH 2/5] fs/fat/fat_write: Merge calls to set_cluster() Benoît Thébaudeau
2015-10-12 15:15             ` [U-Boot] [U-Boot, " Tom Rini
2015-09-28 13:45           ` [U-Boot] [PATCH 3/5] fs/fat/fat_write: Fix curclust/newclust mix-up Benoît Thébaudeau
2015-10-12 15:15             ` [U-Boot] [U-Boot, " Tom Rini
2015-09-28 13:45           ` Benoît Thébaudeau [this message]
2015-10-12 15:15             ` [U-Boot] [U-Boot, 4/5] fs/fat/fat_write: Factor out duplicate code Tom Rini
2015-09-28 13:45           ` [U-Boot] [PATCH 5/5] fs/fat/fat_write: Fix management of empty files Benoît Thébaudeau
2015-10-12 15:15             ` [U-Boot] [U-Boot, " Tom Rini
2015-09-28 15:22           ` [U-Boot] [PATCH 1/5] fs/fat/fat_write: Fix buffer alignments Tom Rini
2015-10-07 19:48             ` Benoît Thébaudeau
2015-10-12 15:15           ` [U-Boot] [U-Boot,1/5] " Tom Rini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1443447932-14139-4-git-send-email-benoit@wsystem.com \
    --to=benoit@wsystem.com \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.