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From: Alexander Aring <alex.aring@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH 3/4] nandtest: use new pread and pwrite functions
Date: Thu, 14 Feb 2013 14:08:30 +0100	[thread overview]
Message-ID: <1360847311-16931-3-git-send-email-alex.aring@gmail.com> (raw)
In-Reply-To: <1360847311-16931-1-git-send-email-alex.aring@gmail.com>

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
---
 commands/nandtest.c | 36 ++++++------------------------------
 1 file changed, 6 insertions(+), 30 deletions(-)

diff --git a/commands/nandtest.c b/commands/nandtest.c
index f08f8eb..4e6024b 100644
--- a/commands/nandtest.c
+++ b/commands/nandtest.c
@@ -43,41 +43,17 @@ static unsigned int ecc_stats_over;
 static unsigned int ecc_failed_cnt;
 
 /*
- * Implementation of pread with lseek and read.
- */
-static ssize_t pread(int fd, void *buf, size_t count, loff_t offset)
-{
-	int ret;
-
-	/* Seek to offset */
-	ret = lseek(fd, offset, SEEK_SET);
-	if (ret < 0)
-		perror("lseek");
-
-	/* Read from flash and put it into buf  */
-	ret = read(fd, buf, count);
-	if (ret < 0)
-		perror("read");
-
-	return 0;
-}
-
-/*
  * Implementation of pwrite with lseek and write.
  */
-static ssize_t pwrite(int fd, const void *buf,
+static ssize_t __pwrite(int fd, const void *buf,
 		size_t count, loff_t offset, loff_t length)
 {
-	int ret;
-
-	ret = lseek(fd, offset, SEEK_SET);
-	if (ret < 0)
-		perror("lseek");
+	ssize_t ret;
 
 	/* Write buf to flash */
-	ret = write(fd, buf, count);
+	ret = pwrite(fd, buf, count, offset);
 	if (ret < 0) {
-		perror("write");
+		perror("pwrite");
 		if (markbad) {
 			printf("\nMark block bad at 0x%08llx\n",
 					offset + memregion.offset);
@@ -88,7 +64,7 @@ static ssize_t pwrite(int fd, const void *buf,
 	}
 
 	flush(fd);
-	return 0;
+	return ret;
 }
 
 /*
@@ -119,7 +95,7 @@ static int erase_and_write(loff_t ofs, unsigned char *data,
 	for (i = 0; i < meminfo.erasesize;
 			i += meminfo.writesize) {
 		/* Write data to given offset */
-		pwrite(fd, data + i, meminfo.writesize,
+		__pwrite(fd, data + i, meminfo.writesize,
 				ofs + i, length);
 
 		/* Read data from offset */
-- 
1.8.1.3


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  parent reply	other threads:[~2013-02-14 13:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-14 13:08 [PATCH 1/4] fs: fix return type of read Alexander Aring
2013-02-14 13:08 ` [PATCH 2/4] fs: add pread and pwrite functions Alexander Aring
2013-02-14 21:13   ` Sascha Hauer
2013-02-14 22:23     ` Alexander Aring
2013-02-14 13:08 ` Alexander Aring [this message]
2013-02-14 13:08 ` [PATCH 4/4] nandtest: fix length calculation Alexander Aring

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