Commit eb5b75fe authored by David Sterba's avatar David Sterba

btrfs: send: use vmalloc only as fallback for read_buf

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 6ff48ce0
......@@ -6037,11 +6037,14 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
}
}
sctx->read_buf = kmalloc(BTRFS_SEND_READ_SIZE, GFP_KERNEL | __GFP_NOWARN);
if (!sctx->read_buf) {
sctx->read_buf = vmalloc(BTRFS_SEND_READ_SIZE);
if (!sctx->read_buf) {
ret = -ENOMEM;
goto out;
}
}
sctx->pending_dir_moves = RB_ROOT;
sctx->waiting_dir_moves = RB_ROOT;
......@@ -6224,7 +6227,7 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
vfree(sctx->clone_roots);
kvfree(sctx->send_buf);
vfree(sctx->read_buf);
kvfree(sctx->read_buf);
name_cache_free(sctx);
......
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