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lklfuse: add copy_file_range and lseek hooks #576

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Merged
tavip merged 2 commits into from
Feb 28, 2025
Merged

lklfuse: add copy_file_range and lseek hooks #576

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88de85c
lklfuse: add copy_file_range hook
ddiss Feb 28, 2025
727e896
lklfuse: add lseek hook
ddiss Feb 28, 2025
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20 changes: 20 additions & 0 deletions tools/lkl/lklfuse.c
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Original file line number Diff line number Diff line change
Expand Up @@ -522,6 +522,24 @@ static int lklfuse_fallocate(const char *path, int mode, off_t offset,
return lkl_sys_fallocate(fi->fh, mode, offset, len);
}

static ssize_t lklfuse_copy_file_range(const char *path_in,
struct fuse_file_info *fi_in,
off_t off_in, const char *path_out,
struct fuse_file_info *fi_out,
off_t off_out, size_t len, int flags)
{
lkl_loff_t loff_in = off_in, loff_out = off_out;

return lkl_sys_copy_file_range(fi_in->fh, &loff_in, fi_out->fh,
&loff_out, len, flags);
}

static off_t lklfuse_lseek(const char *path, off_t off, int whence,
struct fuse_file_info *fi)
{
return lkl_sys_lseek(fi->fh, off, whence);
}

static void *lklfuse_init(struct fuse_conn_info *conn, struct fuse_config *cfg)
{
cfg->nullpath_ok = 1;
Expand Down Expand Up @@ -576,6 +594,8 @@ const struct fuse_operations lklfuse_ops = {
/* .read_buf, (SG io) */
/* .flock, */
.fallocate = lklfuse_fallocate,
.copy_file_range = lklfuse_copy_file_range,
.lseek = lklfuse_lseek,
};

static int lklfuse_parse_vfs_flags(bool ro, const char *opts, int *flags,
Expand Down
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