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| author | Anand Jain <anand.jain@oracle.com> | 2012-09-14 00:04:21 -0600 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-10-04 09:39:55 -0400 |
| commit | 1bcea35597693b3ac1ec1b311cfd42d52972a710 (patch) | |
| tree | fa1d8d7888c8a2aee895510f66c92ccd12308b11 | |
| parent | b4f359ab065b9c6c132124557d23e90e2e8504be (diff) | |
| download | linux-1bcea35597693b3ac1ec1b311cfd42d52972a710.tar.gz linux-1bcea35597693b3ac1ec1b311cfd42d52972a710.tar.bz2 linux-1bcea35597693b3ac1ec1b311cfd42d52972a710.zip | |
Btrfs: write_buf is now callable outside send.c
Developing service cmds needs it.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
| -rw-r--r-- | fs/btrfs/send.c | 11 | ||||
| -rw-r--r-- | 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 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; diff --git a/fs/btrfs/send.h b/fs/btrfs/send.h index 9934e948e57f..1bf4f32fd4ef 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 |