From: Anand Jain <anand.jain@xxxxxxxxxx>
Developing service cmds needs it.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
fs/btrfs/send.c | 11 ++++++-----
fs/btrfs/send.h | 1 +
2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index fb5ffe9..89411b3 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -377,7 +377,7 @@ static struct btrfs_path *alloc_path_for_send(void)
return path;
}
-static int write_buf(struct send_ctx *sctx, const void *buf, u32 len)
+int write_buf(struct file *filp, const void *buf, u32 len, loff_t *off)
{
int ret;
mm_segment_t old_fs;
@@ -387,8 +387,7 @@ static int write_buf(struct send_ctx *sctx, const void *buf, u32 len)
set_fs(KERNEL_DS);
while (pos < len) {
- ret = vfs_write(sctx->send_filp, (char *)buf + pos, len - pos,
- &sctx->send_off);
+ ret = vfs_write(filp, (char *)buf + pos, len - pos, off);
/* TODO handle that correctly */
/*if (ret == -ERESTARTSYS) {
continue;
@@ -544,7 +543,8 @@ static int send_header(struct send_ctx *sctx)
strcpy(hdr.magic, BTRFS_SEND_STREAM_MAGIC);
hdr.version = cpu_to_le32(BTRFS_SEND_STREAM_VERSION);
- return write_buf(sctx, &hdr, sizeof(hdr));
+ return write_buf(sctx->send_filp, &hdr, sizeof(hdr),
+ &sctx->send_off);
}
/*
@@ -581,7 +581,8 @@ static int send_cmd(struct send_ctx *sctx)
crc = crc32c(0, (unsigned char *)sctx->send_buf, sctx->send_size);
hdr->crc = cpu_to_le32(crc);
- ret = write_buf(sctx, sctx->send_buf, sctx->send_size);
+ ret = write_buf(sctx->send_filp, sctx->send_buf, sctx->send_size,
+ &sctx->send_off);
sctx->total_send_size += sctx->send_size;
sctx->cmd_send_size[le16_to_cpu(hdr->cmd)] += sctx->send_size;
diff --git a/fs/btrfs/send.h b/fs/btrfs/send.h
index 9934e94..1bf4f32 100644
--- a/fs/btrfs/send.h
+++ b/fs/btrfs/send.h
@@ -130,4 +130,5 @@ enum {
#ifdef __KERNEL__
long btrfs_ioctl_send(struct file *mnt_file, void __user *arg);
+int write_buf(struct file *filp, const void *buf, u32 len, loff_t *off);
#endif
--
1.7.1
--
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