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Diffstat (limited to 'src/file.c')
-rw-r--r--src/file.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/src/file.c b/src/file.c
index 9250dff..aeb86f4 100644
--- a/src/file.c
+++ b/src/file.c
@@ -588,19 +588,23 @@ static sftp_file chunk_open_remote(const char *path, int flags, mode_t mode, siz
}
static int chunk_copy_internal(struct chunk *c, int fd, sftp_file sf,
- size_t buf_sz, bool reverse, size_t *counter)
+ size_t sftp_buf_sz, size_t io_buf_sz,
+ bool reverse, size_t *counter)
{
int remaind, read_bytes, write_bytes;
- char buf[buf_sz];
+ char buf[io_buf_sz];
- /* if reverse is false, copy fd->sf. if true, copy sf->fd */
+ /* if reverse is false, copy fd->sf (local to remote).
+ * if reverse is true, copy sf->fd (remote to local)
+ */
for (remaind = c->len; remaind > 0;) {
if (!reverse)
- read_bytes = read(fd, buf, min(remaind, buf_sz));
+ read_bytes = read(fd, buf, min(remaind, io_buf_sz));
else
- read_bytes = sftp_read2(sf, buf, min(remaind, buf_sz));
+ read_bytes = sftp_read2(sf, buf, min(remaind, io_buf_sz),
+ sftp_buf_sz);
if (read_bytes < 0) {
pr_err("failed to read %s: %s\n", c->f->dst_path,
@@ -610,7 +614,7 @@ static int chunk_copy_internal(struct chunk *c, int fd, sftp_file sf,
}
if (!reverse)
- write_bytes = sftp_write2(sf, buf, read_bytes);
+ write_bytes = sftp_write2(sf, buf, read_bytes, sftp_buf_sz);
else
write_bytes = write(fd, buf, read_bytes);
@@ -633,7 +637,8 @@ static int chunk_copy_internal(struct chunk *c, int fd, sftp_file sf,
return 0;
}
-static int chunk_copy_local_to_remote(struct chunk *c, sftp_session sftp, size_t buf_sz,
+static int chunk_copy_local_to_remote(struct chunk *c, sftp_session sftp,
+ size_t sftp_buf_sz, size_t io_buf_sz,
size_t *counter)
{
struct file *f = c->f;
@@ -657,7 +662,8 @@ static int chunk_copy_local_to_remote(struct chunk *c, sftp_session sftp, size_t
goto out;
}
- if ((ret = chunk_copy_internal(c, fd, sf, buf_sz, false, counter)) < 0)
+ ret = chunk_copy_internal(c, fd, sf, sftp_buf_sz, io_buf_sz, false, counter);
+ if (ret< 0)
goto out;
if ((mode = chunk_get_mode(f->path, NULL)) < 0) {
@@ -676,7 +682,8 @@ out:
return ret;
}
-static int chunk_copy_remote_to_local(struct chunk *c, sftp_session sftp, size_t buf_sz,
+static int chunk_copy_remote_to_local(struct chunk *c, sftp_session sftp,
+ size_t sftp_buf_sz, size_t io_buf_sz,
size_t *counter)
{
struct file *f = c->f;
@@ -700,7 +707,8 @@ static int chunk_copy_remote_to_local(struct chunk *c, sftp_session sftp, size_t
goto out;
}
- if ((ret = chunk_copy_internal(c, fd, sf, buf_sz, true, counter)) < 0)
+ ret = chunk_copy_internal(c, fd, sf, sftp_buf_sz, io_buf_sz, true, counter);
+ if (ret< 0)
goto out;
out:
@@ -714,7 +722,8 @@ out:
-int chunk_copy(struct chunk *c, sftp_session sftp, size_t buf_sz, size_t *counter)
+int chunk_copy(struct chunk *c, sftp_session sftp, size_t sftp_buf_sz, size_t io_buf_sz,
+ size_t *counter)
{
struct file *f = c->f;
int ret = 0;
@@ -724,9 +733,11 @@ int chunk_copy(struct chunk *c, sftp_session sftp, size_t buf_sz, size_t *counte
f->dst_path, f->dst_remote ? "(remote)" : "(local)", c->off);
if (f->dst_remote)
- ret = chunk_copy_local_to_remote(c, sftp, buf_sz, counter);
+ ret = chunk_copy_local_to_remote(c, sftp,
+ sftp_buf_sz, io_buf_sz, counter);
else
- ret = chunk_copy_remote_to_local(c, sftp, buf_sz, counter);
+ ret = chunk_copy_remote_to_local(c, sftp,
+ sftp_buf_sz, io_buf_sz, counter);
if (ret < 0)
return ret;