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fs: fix kernel_write prototype

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Make the position an in/out argument like all the other read/write
helpers and and make the buf argument a void pointer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2017-09-01 17:39:14 +02:00
committed by Al Viro
parent bdd1d2d3d2
commit e13ec939e9
9 changed files with 19 additions and 13 deletions
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3
drivers/target/target_core_alua.c
View File

@@ -896,13 +896,14 @@ static int core_alua_write_tpg_metadata(
u32 md_buf_len)
{
struct file *file = filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600);
loff_t pos = 0;
int ret;
if (IS_ERR(file)) {
pr_err("filp_open(%s) for ALUA metadata failed\n", path);
return -ENODEV;
}
ret = kernel_write(file, md_buf, md_buf_len, 0);
ret = kernel_write(file, md_buf, md_buf_len, &pos);
if (ret < 0)
pr_err("Error writing ALUA metadata file: %s\n", path);
fput(file);

2
drivers/target/target_core_file.c
View File

@@ -443,7 +443,7 @@ fd_do_prot_fill(struct se_device *se_dev, sector_t lba, sector_t nolb,
for (prot = 0; prot < prot_length;) {
sector_t len = min_t(sector_t, bufsize, prot_length - prot);
ssize_t ret = kernel_write(prot_fd, buf, len, pos + prot);
ssize_t ret = kernel_write(prot_fd, buf, len, &pos);
if (ret != len) {
pr_err("vfs_write to prot file failed: %zd\n", ret);

3
drivers/target/target_core_pr.c
View File

@@ -1974,6 +1974,7 @@ static int __core_scsi3_write_aptpl_to_file(
char path[512];
u32 pr_aptpl_buf_len;
int ret;
loff_t pos = 0;
memset(path, 0, 512);
@@ -1993,7 +1994,7 @@ static int __core_scsi3_write_aptpl_to_file(
pr_aptpl_buf_len = (strlen(buf) + 1); /* Add extra for NULL */
ret = kernel_write(file, buf, pr_aptpl_buf_len, 0);
ret = kernel_write(file, buf, pr_aptpl_buf_len, &pos);
if (ret < 0)
pr_debug("Error writing APTPL metadata file: %s\n", path);