diff options
Diffstat (limited to 'drivers/target/target_core_alua.c')
| -rw-r--r-- | drivers/target/target_core_alua.c | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 7d4ec02e29a9..ff1c5ee352cb 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -27,6 +27,7 @@ #include <linux/spinlock.h> #include <linux/configfs.h> #include <linux/export.h> +#include <linux/file.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <asm/unaligned.h> @@ -715,36 +716,18 @@ static int core_alua_write_tpg_metadata( unsigned char *md_buf, u32 md_buf_len) { - mm_segment_t old_fs; - struct file *file; - struct iovec iov[1]; - int flags = O_RDWR | O_CREAT | O_TRUNC, ret; - - memset(iov, 0, sizeof(struct iovec)); + struct file *file = filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600); + int ret; - file = filp_open(path, flags, 0600); - if (IS_ERR(file) || !file || !file->f_dentry) { - pr_err("filp_open(%s) for ALUA metadata failed\n", - path); + if (IS_ERR(file)) { + pr_err("filp_open(%s) for ALUA metadata failed\n", path); return -ENODEV; } - - iov[0].iov_base = &md_buf[0]; - iov[0].iov_len = md_buf_len; - - old_fs = get_fs(); - set_fs(get_ds()); - ret = vfs_writev(file, &iov[0], 1, &file->f_pos); - set_fs(old_fs); - - if (ret < 0) { + ret = kernel_write(file, md_buf, md_buf_len, 0); + if (ret < 0) pr_err("Error writing ALUA metadata file: %s\n", path); - filp_close(file, NULL); - return -EIO; - } - filp_close(file, NULL); - - return 0; + fput(file); + return ret ? -EIO : 0; } /* |