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authorAnand Jain <anand.jain@oracle.com>2012-09-14 00:04:21 -0600
committerChris Mason <chris.mason@fusionio.com>2012-10-04 09:39:55 -0400
commit1bcea35597693b3ac1ec1b311cfd42d52972a710 (patch)
treefa1d8d7888c8a2aee895510f66c92ccd12308b11 /fs/btrfs/send.c
parentb4f359ab065b9c6c132124557d23e90e2e8504be (diff)
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Btrfs: write_buf is now callable outside send.c
Developing service cmds needs it. Signed-off-by: Anand Jain <anand.jain@oracle.com>
Diffstat (limited to 'fs/btrfs/send.c')
-rw-r--r--fs/btrfs/send.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index c6ef070a8dca..c7beb543a4a8 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -386,7 +386,7 @@ 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;
@@ -396,8 +396,7 @@ 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;
@@ -553,7 +552,8 @@ 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);
}
/*
@@ -590,7 +590,8 @@ 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;